Choose the reason(s) why plants need fertilizer. (there may be more than one answer.)

The units of inheritance that pass traits from parents to offspring as gemmules.

The biological evolution via natural selection idea was put out by British biologist Charles Darwin. According to Darwin, evolution is the process through which species change over time, give rise to new species, and descend from a single ancestor.

Natural selection is the theory of evolution put forward by Charles Darwin. Given the scarcity of resources in nature, animals with heritable features that promote survival and reproduction will often produce more offspring than their contemporaries, leading to a rise in the frequency of such traits across successive generations.

Populations change throughout time through natural selection, becoming increasingly adapted to their surroundings. Natural selection is reliant on the environment and necessitates the presence of heritable variation within a population.

Therefore, the units of inheritance are called gemmules.

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Operon is not transcribed:

-lac operon: lactose absent

-trp operon: tryptophan present

Positive control transcription of Operon does not speed it up:

Lactose and glucose are present, -lac operon

Tryptophan is lacking in the -trp operon.

Operon is transcribed quickly through positive control:

-lac operon: lactose present, glucose not

Only negative control is used to regulate the trp operon. The operon genes are not transcribed when tryptophan is present.

Both positive control and negative control are used to control the lac operon.

Negative control: —Transcription is inhibited when lactose is missing due to the activity of the repressor protein.

—The repressor protein is deactivated and transcription is triggered when lactose is present.

Positive control: —In the absence of glucose, another regulatory protein (CAP) attaches to the lac operon's promoter, speeding up transcription in the presence of lactose.

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Intermodal perception is the combination of data from two or more sensory systems.

Of or pertaining to sensory stimulation or sensation. Afferent sensory neurons carry nerve impulses from the sense organs to the nerve centers. Something related to feeling, or something you can physically feel, is described by the term sensory.

As the hand interacts with its environment, the sensory function of the hand gives feedback to the brain for object detection and protection. For the hand to be used effectively, there must be a sense of contact and quality of that contact.

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Explanation:

Increase in enzyme concentration will provide faster metabolic reaction to the point of saturation of the enzymes active center.

A possible rationale for the difference between the DNA in chromatin and chromosome form is the structure of chromatin, loosely organized chromatin and condensed chromatin.

Chromatin is a macromolecular structure composed of DNA and associated proteins called histones, which can be transcriptionally inactive (heterochromatin) or active (euchromatin).

The difference between chromosomes and chromatin is based on the level of organization, which is associated with diverse factors that make this structure dynamic for cell division and/or transcriptional activity.

In conclusion, possible rationales for the difference between the DNA in chromatin and chromosome form are associated with the structure of chromatin, loosely organized chromatin facilitates transcription and condensed chromatin keeps the DNA organized.

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Alpha-glucosidase inhibitors are a class of antidiabetic drugs that inhibits alpha-glucosidase and delays glucose absorption.

Alpha-glucosidase inhibitors are abbreviated as AGIs. AGIs inhibit the absorption of carbohydrates in the small intestine by inhibiting the action of enzymes such as alpha-glucosidase. Alpha-glucosidase is an enzyme that converts complex carbohydrates (e.g. Starch) into simple absorbable carbohydrates like glucose. Other enzymes that perform a similar function include sucrase, maltase, glucoamylase, and isomaltase.

Acarbose is the most commonly used Alpha-glucosidase inhibitor taken orally. AGIs are initiated with a lower dosage taken three times with the meal. Acarbose inhibits the action of enzymes like alpha-amylase, maltase, sucrase, and dextranase.

Due to the action of AGIs to inhibit the carbohydrate converting enzymes, they are named so. And with this preference, AGIs are used to delay glucose absorption.

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If an enzyme is not functioning in a chemical reaction within a living organism that needs it the response continues, but very slowly.

Enzyme- Proteins called enzymes aid in accelerating our bodies' chemical processes, or metabolism. Some compounds are created, while others are broken down. Enzymes are a part of all living things.

Chemical Reaction- when two or more compounds mix to create a new substance, a chemical change takes place.

Metabolism- The chemical processes by which food is converted to energy in the body's cells are known as metabolism. In order for our bodies to move, think, and grow, they require this energy. The body's specific proteins regulate the chemical processes involved in metabolism.

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Mother teresa used her charisma to connect her vision of serving the poor to the believe of her followers.

Additionally, the appropriate terminology must be used while articulating a vision. A leader need to employ energising and exciting language and imagery (Sashkin, 2004; Zaccaro & Banks, 2001). A vision needs to be described in words that are reassuring, inspiring, and positive while yet undervaluing it.

The attitude, beliefs, and behaviours of the vision must be modelled by leaders. Values are concepts, opinions, and conduct that people deem to be desirable.

The vision of a leader is always complete.

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A 1,200-kcalorie diet that is 15 percent protein supplies 180 kcalorie.

Formula to calculate the 15% protein supply,

Protein- Large, intricate molecules known as proteins serve a variety of vital functions in the body. They are crucial for the construction, operation, and control of a body's organs and tissues and carry out the majority of their job inside cells.

Tissue- Between cells and an entire organ, there is a biological organizing level called tissue. A tissue is a group of comparable cells from the same origin, along with their extracellular matrix, that work together to perform a single function. Then, various tissues are functionally grouped together to form organs.

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Answer:

Зато хохлосвиней умеешь поддерживать , мерзавец. И глупую Украину, как Америка. Путин молодец!!! Америке скоро пипец будет , а Россия будет процветать.

Explanation: Такой же тупой америкос как те укры в Украине

During stage of development, an unborn child is most at risk of experiencing a structural defect as a result of exposure to a teratogen like the zika virus or lead

: embryonic period

What is the development of an embryo?

The first eight weeks of human embryonic development are referred to as embryonic development; from the start of the ninth week, the embryo is referred to as a fetus. The study of this growth in the first eight weeks following fertilization is known as human embryology. The average gestation (pregnancy) lasts 40 weeks, or nearly nine months.

Teratogens are substances or conditions that can lead to an embryo's deformity; these include alcohol, tobacco smoke, narcotics, maternal stress, and the age of the father. Due to the impact of teratogens, the unborn child is at a very high risk of acquiring structural problems during the embryonic stage. Teratogens can cause aberrant bone, muscle, and tendon growth.

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Small bones called sesamoid bones form in tendons as a form of wear and strain resistance. false

What is a sesamoid bone?

A sesamoid bone is a tiny bone that is frequently seen embedded within a muscle or tendon near joint surfaces. These bones act as pulleys to relieve stress on the specific muscle or tendon they are located within.

False as sesamoid bone is a pulley to alleviate stress on the tendon its connected to. It doesn't provide any sort of protection.

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The ring of the muscle in the digestive tract, which can open and close, or regulate the movement of food into or out of parts of digestive system, is the pyloric sphincter.

Although the pyloric sphincter is present at the bottom of the stomach, and it is a muscular valve that opens to allow the food materials to pass from the stomach to the top of the small intestine of our digestive system.

Therefore, The pyloric sphincter serves as a type of gateway between stomach and small intestine, and It allows the contents of the stomach like food materials to pass into the small intestine. Also, It prevents digestive juices or partially digested food from re-entering into the stomach.

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Answer:

b drawing conclusions based on data

The surfaces of the inner, terrestrial planets of our solar system are composed of  volcanoes, craters, canyons, and mountains.

The interstitial planets are made up of rocks, silicates, minerals, carbon or in case of earth water as well. Generally the planets have an inner core made up of iron which is further surrounded by a mantle.

Our earth is the only planet in the universe which is found to have water at its surface while the planet Mars also has polar ice caps which are permanent just like our earth. The inner terrestrial planets consist of mercury, Venus, earth, and Mars.

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Th1 cells and Cytotoxic T cells participates in cell-mediated immunity and is antigen specific and directly cytotoxic for target cell.

An antigen (Ag) is a molecule, molecular structure, foreign particle, pollen grain, or any other foreign substance that can attach to a particular antibody or T-cell receptor. An immunological response may be triggered by antigens present in the body. A chemical that produces antibodies was formerly referred to as an antigen. Antigens can be proteins, peptides (amino acid chains), lipids, nucleic acids, polysaccharides (chains of monosaccharides/simple sugars), or polypeptides.

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A case of biodiversity loss is evident in the study of colony collapse disorder in honey bees.

Biodiversity- The diversity of animals, plants, fungi, and even microorganisms like the bacteria that make up our ecological landscape are all included in what is known as biodiversity. These many species and critters collaborate in complicated web-like ecosystems to keep things in balance and support life.

Colony- A collection of creatures belonging to the same species that coexist and communicate often. A colony is distinct from an aggregation, a group whose members do not communicate with one another. For example, An ant colony, for instance, is made up of ants that dwell near to one another for mutual reasons.

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Answer:

Explanation:

The medusa is a free-swimming form; it moves by rhythmic muscular contractions of the bell, providing a slow propulsive action against the water. The other principal body type of the adult cnidarian is the polyp, a stalked, sessile (attached) form.

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Carolina was always hungry. after visiting the doctor, she was told that her pancreas was producing too much insulin, causing low blood sugar.

Human insulin is used to control blood sugar in people with type 1 diabetes, a condition in which the body cannot produce insulin and cannot, therefore, control the amount of sugar in the blood, or type 2 diabetes, a condition in which the blood sugar is too high because the body cannot produce or use insulin normally, and which cannot be controlled by oral medications alone. The hormones class of drugs includes human insulin. In place of the insulin that the body ordinarily produces, human insulin is used.

Insulin then aids in transferring the blood's sugar to your cells. Your cells either immediately use the sugar that enters them as fuel for energy, or they store it for later use. Insulin malfunctions occur in people with diabetes.

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Na+; prevents the entrance of any more sperm

In the fast block to polyspermy, binding of sperm opens up Na+ channels, which depolarizes the egg membrane and prevents the entrance of any more sperm.

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The hormone produced by the corpus luteum which is the primary ovarian hormone after ovulation is progesterone.

Corpus luteum is a gland that is produced when an egg is released from the ovary. Progesterone hormone is produced by the corpus luteum as well as the adrenal glands and placenta. Ovulation occurs as a result of an increase in the luteinizing hormone. The corpus luteum is formed after the release of the egg which then produces progesterone hormone.

Progesterone is an important hormone in maintaining pregnancy which belongs to the class of estrogens as it prepares the uterus lining for the implantation of the fertilized egg. It also plays important role in lactation and fetal development. Progesterone is also involved in maintaining the secondary sex characteristics of females.

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Those that investigate the scientific relationships between biological and psychological processes are referred to as:

biological psychologist

The investigation of the rational relationships between biological and psychological processes is known as biological psychology.

Biological psychology is the study of the interaction between biological and psychological functioning. The brain and spinal cord are the decision-making organs of the central nervous system (CNS).

Examine how the human body and its organs are made and function. This is something that both psychology and the biological sciences do. Psychology examines behavior. The relationship between a person's body and conduct is very strong. Skeletal muscle contractions or glandular secretions follow the physiological level of all sorts of activity, including sensations, perceptions, and actions.

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Cells would break down their own cellular proteins if they produced active pepsin.

Cellular Protein- The collection of proteins inside a cell determines its state of health and how well it works. Proteins are responsible for the shape and internal structure of cells, the synthesis of products, the elimination of waste, and routine maintenance.

Pepsin- An enzyme in the stomach called pepsin is utilized to digest eaten food's proteins. The primary cells of the stomach generate pepsin as pepsinogen, an inactive zymogen. The parietal cells in the stomach's lining release hydrochloric acid, which lowers the stomach's pH. At a pH of 1.5 to 2, pepsin is activated.

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According to estimates, there are roughly 1: 30 invertebrate species for every one vertebrate species.

What is vertebrate?

An animal having a backbone is called a vertebrate.

What is invertebrate?

An animal which doesn't have a backbone is called a invertebrate.

According to estimates, there are roughly 30 invertebrate species for every one vertebrate species. Ratio is 1:30.

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Cellulose polysaccharide should last the longest before it is decomposed.

Cellulose polysaccharide- A molecule called cellulose is made up of hundreds, and occasionally even thousands, of carbon, hydrogen, and oxygen atoms. The primary component of plant cell walls, cellulose, keeps plants rigid and erect. Although cellulose cannot be digested by humans, it is essential for the diet as fiber.

Fiber- Fruits, vegetables, legumes, and whole grains all include fiber, which the body cannot process. Cancer prevention may be aided by dietary fiber. Fiber, such as muscle fiber or nerve fiber, is a term used to describe tissue that is formed of long, threadlike cells in the body.

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The correct answer is four cycles are  (1) The Water Cycle or Hydrologic Cycle (2) The Carbon Cycle (3) The Nitrogen Cycle (4) The Oxygen Cycle.

The hydrologic cycle is the continuous movement of water in the Earth-Atmosphere system. The water cycle is defined as the movement of water from the ground to the atmosphere and back again.

The carbon cycle describes the movement of carbon from the atmosphere to soils, living creatures, the ocean, and human sources.

The Nitrogen Cycle is a biogeochemical process in which nitrogen is converted into various forms before passing from the atmosphere to the soil to the organism and back into the atmosphere.

The entire cycle can be summarized as follows: the oxygen cycle begins with photosynthesis in the presence of sunlight, releases oxygen back into the atmosphere, which humans and animals breathe in oxygen and breathe out carbon dioxide, and then links back to the process of photosynthesis.

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When the blood glucose level rises after a meal, the first organ to respond is the pancreas.

Insulin is a hormone produced by the body to regulate blood sugar levels. When the glucose level rises in the blood, the insulin secreted causes glucose to be transported to the cells from the blood. In the cells, the extra glucose is used accordingly and the cells of the liver and muscles can store it as glucagon.

Hence, when the blood glucose level rises after a meal, the pancreas makes insulin to balance the blood sugar levels.

Other options, such as the stomach, is not correct as the stomach is involved in the digestion of food and does not lower blood sugar levels.

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Drugs that selectively stimulate the contraction of the myocardium are known as oxytocic agents.

The myocardium is the middle layer of the heart. It is the thickest layer between the single-layer endocardium and the outer epicardium. The myocardium is composed of cardiomyocytes.

The function of the myocardium is to facilitate the contraction and relaxation of the heart walls. It helps in the conduction of electrical stimuli.

Cardiac muscles are under to stimulate digoxin, dopamine. Cardiostimulatoy drug stimulate and enhances cardiac function increasing heart rate. Hypertension, Angina, myocardial infraction, and heart failure are some of the disorders related to the heart.

Therefore, Drugs that selectively stimulate the contraction of the myocardium are known as oxytocic agents.

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