One way that the world’s ocean affects weather and climate is by playing an important role in keeping our planet warm. The majority of radiation from the Sun is absorbed by the ocean, particularly in tropical waters around the equator, where the ocean acts like a massive, heat-retaining solar panel. Land areas also absorb some sunlight, and the atmosphere helps to retain heat that would otherwise quickly radiate into space after sunset.
When water molecules are heated, they exchange freely with the air in a process called evaporation. Ocean water is constantly evaporating, increasing the temperature and humidity of the surrounding air to form rain and storms that are then carried by trade winds.
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Describe the functions of the brain and the spinal cord. how are these functions similar? how are these functions dissimilar?
Brain- The brain is a sophisticated organ that manages every bodily function as well as cognition, memory, emotion, touch, motor skills, vision, respiration, temperature, and hunger.
Spinal Cord- It connects our brain to our lower back. Our spinal cord carries nerve signals from our brain to our body and vice versa. These nerve signals help you feel sensations and move our body.
Similarity
The meninges protect and cushion the spinal cord, much like they do the brain. Most of the nerves in the body are connected to the brain through spinal nerves. The eyes, ears, and other components of the head are connected to the brain via various nerves.
Dissimilarity
The majority of bodily functions are managed by the brain, which is situated inside the skull. The spinal cord is a tube-shaped organ that extends from the base of the brain to the base of the spine. The nerves that make up the spinal cord transmit data from the brain to the rest of the body.
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Retinal cells that make connections with bipolar cells, ganglion cells, and other cells like themselves are called:_____.
Names the retinal cells that communicate with ganglion cells, bipolar cells, and other cells that are similar to them.
What are retinal cells?
Light must travel through layers of neurons and capillaries before it reaches the photosensitive regions of the rods and cones in vertebrates because the light-sensing cells are located at the rear of the retina. The optic nerve must pass through the retina in order to reach the brain because the ganglion cells, whose axons make up the optic nerve, are located at the front of the retina. The blind spot results from the absence of photoreceptors in this area.
Retina amacrine cells are interneurons that communicate with ganglion cells and bipolar cells.
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The _____ nervous system conserves energy, while the sympathetic nervous system consumes energy.
The nervous system conserves energy, while the sympathetic nervous system consumes energy.
What is the nervous system?The nervous system is an organ system that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses and initiates actions.
The nervous system can either be the following;
SympatheticParasympatheticThe sympathetic nervous system is a part of the autonomic nervous system that raises blood pressure and heart rate, constricts blood vessels, and dilates the pupils when under stress.
On the other hand, the parasympathetic nervous system is one of the divisions of the autonomic nervous system, based between the brain and the spinal cord, that slows the heart and relaxes muscles.
This suggests that the parasympathetic nervous system conserves energy because it slows the heart while the sympathetic nervous system consumes energy.
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Which technique of studying the brain involves injecting the patient with radioactive glucose?
PositivePositive emission tomography (PET) scan technique of studying the brain involves injecting the patient with radioactive glucose.
What is a PET technique?Positron emission tomography (PET) is a type of nuclear medicine procedure that measures metabolic activity of the cells of body tissues. PET is actually a combination of nuclear medicine and biochemical analysis.
A PET technique can be used to find the malignant tumor cells or diagnose condition like epilepsy.
A small amount of radioactive glucose is injected into the veins.
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The areas for speech are found in the _________ and __________ lobes. a. frontal . . . occipital b. temporal . . . frontal c. occipital . . . parietal d. frontal . . . parietal please select the best answer from the choices provided a b c d
The areas for speech are found in the frontal and temporal lobes.
The areas for speech are preferably found in the frontal and temporal lobes of our brain. Our brain is primarily responsible for all bodily functions. The brain has many parts like the medulla, cerebellum, and cerebrum. The cerebrum is the largest part of the brain and is the primary organ for speech. The cerebrum has two hemispheres which are divided into smaller regions called lobes. These include temporal, frontal, parietal, and occipital lobes.
The frontal lobe and the temporal lobes are primarily responsible for speech. They are located on the front and side of the brain above the ears. The frontal lobe is the largest of the four lobes and is responsible for many functions. Broca's area is a part of the frontal lobe which is responsible for turning your words and thoughts into verbal words. Another Wernicke's area is situated in the temporal lobes and is responsible for processing and understanding the languages and words of speech. Arcuate fasciculus is a band of nerves that connect the above two areas.
The areas of speech are Broca's area and Wernicke's area which are found in the frontal and temporal lobes respectively.
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Multiple lines of evidence indicate that complex multicellularity evolved at least six different times. which of the superkingdoms includes organisms that exhibit complex multicellularity?
Opisthokonta, Archaeplastida, Stramenopila from the superkingdoms includes organisms that exhibit complex multicellularity.
Complex multicellularity appeared comparatively late in life's history, in the Ediacaran Period, more than three billion years after microbial life began to diversify. Plants, animals, and macroscopic fungus form terrestrial landscapes, while creatures and seaweeds animate the water. Complex multicellularity is the most sophisticated degree of biological structure and has only occurred a few times in metazoans, green plants, brown and red algae, and fungus. Opisthokonta, Archaeplastida, and Stramenopila are the superkingdoms with creatures that display complex multicellularity. Opisthokonts are eukaryotic groupings that comprise amoebae, fungi, and mammals. The photoautotrophic red algae, green algae, land plants, and the small group glaucophytes comprise the Archaeplastida, a large group of eukaryotes. Stramenopiles are eukaryotes categorized as protists because they are not fungi, animals, or plants.
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How did charles darwin's ideas with regard to natural selection differ from those of french biologist jean baptiste lamarck?
According to Charles Darwin's theory of natural selection, only those individual are able to survive that adapt better to the changing environment and are able to reproduce. Whereas according to Lamarck, the characters that an individual gains during its lifetime are passed on to its further generations.
Natural selection is the phenomenon that states that only those individuals area able to survive in the environment that adapt better to the changing surroundings and are successfully able to reproduce. The theory was out forward by Charles Darwin.
Characters are the traits that may be phenotypically visible or present at the genetic level. These characters define an individual.
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Early one december morning, vanessa was waiting for the bus. vanessa was wearing a sewatshirt. she put her hands in her pockets and walked back and forth, yet by the time the bus arrived she was shivering. what is shivering an indication of? what will it do?
Answer:
Shivering is a response to matain homeostasis
Explanation:
A muscle fiber will respond to a stimulus when that stimulus reaches the __________ level. recruitment resting rigor mortis threshold relaxation
When an external stimulus crosses the threshold, a muscle fibre will respond.
The level of the thresholdFor the identification of the electrical activity carried out by the active muscles, the threshold level is a crucial consideration. A portion of the electrical activity carried out by the target muscles may be excluded if the chosen threshold level is higher than the overall activity.What is the stimulus threshold for muscle contraction?A certain stimulus magnitude is necessary for muscle contraction. The threshold stimulus is the smallest amount of force needed for a stimulus to cause a muscle to contract in response.If the stimulus intensity is less than this threshold value, there is no response.learn more about threshold here
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Label the following statements as either true or false.
Some enzymes remove single amino acids from proteins by beginning at the amine or N-terminus.
a. True
b. false
It's true some enzymes remove single amino acids from proteins by beginning at the amine or N-terminus.
How enzymes work ?Enzymes play a crucial role in reducing a reaction's activation energy, or the amount of energy required for the reaction to start. Enzymes function by attaching to reactant molecules and holding them so that chemical bond-forming and bond-breaking reactions proceed more quickly.
How do enzymes work in digestion ?The breakdown of the food you eat is greatly aided by digestive enzymes. These proteins quicken chemical processes that change nutrients into things your digestive system can absorb. Digestive enzymes are present in your saliva. Your pancreas, gallbladder, and liver are a few of the organs that release them.
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Which of the following statements is correct?
Ribosomes are the largest organelles in a cell
Ribosomes are surrounded by a membrane
Ribosomes are the powerhouse of the cell
Ribosomes are found both in prokaryotic and eukaryotic cells
Answer: D Ribosomes are found both in prokaryotic and eukaryotic cells
Explanation:
Answer:
d) Ribosomes are found both in prokaryotic and eukaryotic cells
Explanation:
I did the k12 test and got a 100.
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What would be the benefit of a controlled lab experiment versus an observational field study? what are the benefits of using a model?
The fundamental benefit of conducting experiments as opposed to observational research is that a well-conducted study may provide solid proof that the intervention actually produced the desired outcome. Two or more groups may be compared in an experiment.
What distinguishes an observational research from a controlled experiment?In an observational research, participants are measured or surveyed without any attempt to influence them. In a controlled experiment, participants or objects are divided into groups, and one group is given a treatment while the other is not.
Strength: Due to the natural environment of a field experiment, behaviour is more likely to represent actual life, giving it better ecological validity than a lab experiment.
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One of the serous membranes is thicker than the other serous membranes and contains a lot of fat. which membranes so you think is thicker and why?
Golgi membrane is thick because membrane thickness play a key role in protein function .
What is serous membrane and its function?Serous membrane is a smooth tissue membrane of mesothelium lining the content and inner walls of body cavities, which secrete serous fluid to allow lubricating sliding movement between two surfaces.
Serous fluid lubricates the membrane and reduces the friction and abrasion when organs on the thoracic or abdominopelvic cavity move against each other or the cavity wall.
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Identify the letter that indicates a flexible tube that has c-shaped cartilaginous rings that keep it from collapsing.
'E' letter for Trachea indicates a flexible tube that has c-shaped cartilaginous rings that keep it from collapsing.
There are many cartilage rings in a typical trachea (windpipe) (a strong and flexible tissue). These C-shaped rings give your child's trachea support while enabling it to bend and move naturally during breathing.These rings are O-shaped rather than C-shaped due to a congenital anomaly known as full tracheal rings. Your youngster may get aberrant windpipe thinning and airway stenosis as a result. The trachea has between 16 and 20 rings. This cartilage defect may have an influence on any number of those rings. While some kids with full tracheal rings may at first only show minor breathing issues, other kids might be in serious respiratory distress.Learn more about the Trachea with the help of the given link:
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Strong evidence for the common ancestry of all life comes from the fact that _________________.
Strong evidence for the common ancestry of all life comes from the fact that similar DNA sequences
What is DNA?
Humans and nearly all other species carry their genetic information in DNA, also known as deoxyribonucleic acid. The DNA of an individual can be found in almost all of their cells. The majority of DNA is found in the cell nucleus (where it is known as nuclear DNA), but there is also a tiny quantity of DNA in the mitochondria (where it is called mitochondrial DNA or mtDNA). Cellular organelles called mitochondria transform the energy from food into a form that can be utilized by cells.
Adenine (A), guanine (G), cytosine (C), and thymine (C) are the four chemical bases that make up the code that stores the information in DNA (T). More than 99 percent of the 3 billion bases that make up human DNA are the same in every person.
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Identification of bacteria in the laboratory usually begins with the ________ for placement in one of two large groups of bacteria.
Identification of bacteria in the laboratory usually begins with the gram stain for placement in one of two large groups of bacteria.
A gram stain is a rapid laboratory test used to detect the presence of bacteria that cause an infection.
By doing a gram stain test we can identify whether the bacteria have a positive or negative charge, so that if the result of the gram stain is red, the bacteria are gram-negative.
What is a bacteria?It is a microorganism formed by a single cell, of small size. Its cellular structure is prokaryotic and it is characterized by not having a nucleus.
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explain how atp is formed and broken down in the body
Answer:
ATP is able to power cellular processes by transferring a phosphate group to another molecule (a process called phosphorylation). This transfer is carried out by special enzymes that couple the release of energy from ATP to cellular activities that require energy.
Found in the urinary bladder, __________ resembles __________, but the apical cells are rounded, not flattened.
Transitional epithelium found in the bladder resembles stratified squamous epithelium, but the apical cells are rounded, not flattened.
Transitional epithelium- The bladder's lining consists of the transitional epithelium. These structures make up the urinary bladder tissues and are in charge of giving the bladder the necessary tensile properties. This is because the building serves as the body's organ for storing pee.
Squamous Epithelium- Multiple layers of epithelium are used to create the stratified squamous epithelium, and squamous cells are used to create the top epithelial structure.
Since the stratified squamous epithelium contains flattened cells on the epithelial area, the transitional epithelium differs in having apical cells with rounded tops.
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PRETTY PRETTY PLEASEEEEEE HELP
What does the term "homeostasis" mean?
Question 2 options:
respond to their environment
maintain a stable internal environment
made up of units called cells
based on a universal genetic code
Answer:
Homeostasis has become the central unifying concept of physiology and is defined as a self-regulating process by which an organism can maintain internal stability while adjusting to changing external conditions.
Explanation:
so the answer is, maintain a stable internal environment
In medicine, a complete living entity capable of independent existence is called a/an: _______
a. animal
b. organism
c. human being
d. creature
e. man
In medicine, a complete living entity capable of independent existence is called an b.organism.
In the field of medicine, an organism can be described as a living, independent entity. An organism is made up of one or more than one cells. Hence, the correct option is b. organism.
An organism can show the seven basic life principles. They can show movement. They can reproduce. They can show sensitivity to various stimuli. They can respire. They can carry out the process of excretion. They use nutrition as a source of energy and they can grow.
An organism has an organized structure that helps in the maintenance of the organism.
Other options, such as option c, is not correct as although the human being is a complete living entity but all other organisms also fall under this criteria. Human beings are organisms.
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Which disorders have a known chromosomal inheritance pattern? select all that apply.
A. down syndrome
B. turner syndrome
C. marfan syndrome
D. fragile x syndrome
E. edwards syndrome
The disorders which have a known chromosomal inheritance pattern include the following:
Down syndromeTurner syndrome.Fragile x syndrome.What is Chromosomal disorder?This is referred to any type of syndrome which is characterized by malfunctions in the body system as a result of the abnormal number of chromosomes present.
Down syndrome is characterized by three copies of chromosome 21 being produced.Turner syndrome affects only females and is characterized by the X chromosome being absent fully or partially. On the other hand, fragile x syndrome occurs as a result of a mutations in a gene on the X chromosome.
This is therefore the reason why options A, B and D were chosen as the most appropriate choice.
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Determine whether the given procedure results in a binomial distribution. if not, give the reason why not. toss a coin, and record the number of tosses until the first head
Yes it is a binomial distribution
The binomial distribution was the sum of the series of the multiple independent and the identically distributed Bernoulli trials. In the Bernoulli trial, the experiment was said to be random and they can only have two possible outcomes: the success or the failure. the Binomial distribution is the common probability the distribution was that models the probability of to obtaining the one of two outcomes and under a given number of the parameters. It is summarizes the number of the trials when each trial has to be the same chance of the attaining one of the specific outcome. The binomial distribution was model allows us to compute the probability of the observing the specified number of "successes" when the process is also repeated a specific number of the times (e.g., in a set of patients) and the outcome for the given patient is either the success or a failure
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Smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the ________.
Smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the latch state.
What is muscle contraction?Muscle contraction is defined as an action potential travels along the nerves to the muscle. The beginning of muscle contraction occurs with signal generated from the nervous system. There are mainly two types of muscle contraction and the situation occur when a muscle contracts and a change in size takes place.
Isotonic concentric contraction is the type of muscle contraction in which muscle shortening takes place. Isotonic eccentric contraction is the type of muscle contraction in which the muscle lengthening whilst it is under tension.
Therefore, Smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the latch state.
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What was done to overcome the problem of the MSL landing?
1. A pulley system was created
2. A parachute was used
3. A tether and roper were used
4.More airbags were used
The spacecraft descended on a parachute, then during the final seconds before landing, the final landing system was a tether and rope!
2. A parachute was usedWhat is MSL?Mars Science Laboratory is a designation of a NASA space probe, launched on November 26, 2011, carrying inside a robot named Curiosity, a rover similar to the Spirit and Opportunity vehicles, used in the Mars Exploration Rover space mission for the planet exploration.
To solve the problem, engineers designed the kit to cut the parachute and use rockets for the final part of the landing sequence. About 60 feet (18 m) above the surface, the MSL's "sky crane" was deployed. The landing assembly hung the rover below the rockets using a 6 m rope.
With this information, we can conclude that A parachute was used to overcome the problem of the MSL landing
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Cognitive-behavioral and learning theories are based on the idea that sexual behaviors are influenced by:_______
Cognitive-behavioral and learning theories are based on the idea that sexual behaviors are influenced by: Positive and negative feedback that people receive when they express sexual behaviors.
What are the three primary theories of cognitive learning?There are three significant theories of cognition. Piaget's developmental theory, Lev Vygotsky's social-cultural cognitive theory, and the information process theory are the three cognitive theories. Piaget thought that for a kid to be able to comprehend the world, they must pass through four stages of cognitive development.What distinguishes behavioral and cognitive theories of learning in particular?The main distinction between behaviorist and cognitive learning approaches is that behaviorism places more emphasis on using one's own actions or other things that may be seen to explain things. The foundation of cognitivism is primarily on cognitive functions like memory and decision-making.To learn more about cognitive theories visit:
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Which instructions would be included when teaching a client with hyperthyroidism who just had radioactive iodine to ablate thyroid tissue?
The instructions that would be included when teaching a client with hyperthyroidism who just had radioactive iodine to ablate thyroid tissue is not holding infant.
Hyperthyroidism is a condition of over-activation of thyroid gland. It results in a over production thyroxine hormone.
Overproduction of the hormone can cause acceleration of the body metabolism leading to rapid weight loss. It can also cause other condition like irregular heart beat.
Radioactive iodine is treatment that is suggested for dealing with hyperthyroidism. It kills the targeted thyroid cells and do no harm to other body parts.
But it has other effects like neck tenderness, nausea, swollen salivary gland, etc.
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The monosaccharides and the disaccharides are designated as _____ because they provide calories.
The monosaccharides as well as the disaccharides are designated as nutritive sweeteners since they provide calories.
Nutritive sweeteners, which are also sometimes termed as caloric sweeteners supply energy in the form of carbohydrates. A few nutritive sweeteners are naturally present in foods such as fructose, which is found in fresh fruits.
Monosaccharides are the simplest sugars or carbohydrates having the general formula (CH₂O)ₙ and are generally colorless, water soluble, crystalline solids. Glucose, fructose as well as galactose are all examples of monosaccharides.
Disaccharides are made up of two monosaccharides which are linked together by means of a glycosidic bond. They are also soluble in water. The examples of disaccharides are sucrose, lactose as well as maltose.
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2. During an activity, a teacher labeled the following scenario as hypertonic. Is she correct? Why or why no
%H₂0
15%
solute
80% H₂O
% solute
It is a hypotonic solution because the solute concentration is more than the soluion.
hypotonic solution is the solution that has a lower solute concentration than the cell so water moves into the cell causing plant cells to swell and animal cells to swell and burst whereas hypertonic solution is the solution that has a higher solute concentration than the cell so water moves out of the cell and into the solution causing the cell to plasmolyze.During hypotonic solution, the plant cell fills up and become more rigid causes (turgor pressure) on the other hand animal cell The cell would burst (hemolysis).To know more about hypotonic solution visit :
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Of all six technologies that wood identifies, which do you find the most interesting, useful, or pertinent to your own life? discuss.
orbital launch vehicles are the most interesting, useful, or pertinent to your own life.
What is a launch vehicle?A launch vehicle or carrier rocket may be a rocket-propelled vehicle used to carry a payload from Earth's surface to space, usually to Earth's orbit or beyond. A launch system includes the launch vehicle, launch pad, vehicle assembly, fueling systems, range safety, and other related infrastructure. Orbital launch vehicles are often grouped based on many different factors, most notably payload mass, although price points are a serious concern for some users.
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How does the bottleneck effect undermine the effort of conservation biologists who are trying to save species nearing extinction?.
Bottleneck effect helps the biologists to save species nearing extinction because it helps in reestablishment of the species.
Specified, widespread violence or purposeful culling, human population planning, and other human actions such as famine, earthquakes, floods, fires, disease, and droughts can all cause population bottlenecks. Population bottlenecks can also occur owing to genetic bottlenecks. Such occurrences can lessen the genetic variety of a community, leaving just a smaller population to transmit genes to future generations of offspring through sexual reproduction.
from such a small population by continuously breeding and providing good environment the again flourishment of the species can take place.
Thus, this small population is now taken care of by biologist so that the proper sexual reproduction can take place and thus the population is maintained and thus conservation takes place.
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