Answer:
the plasma membrane is made up primarily of a bilayer of phospholipids with embedded proteins, carbohydrates, glycolipids, and glycoproteins, and, in animal cells, cholesterol.
Explanation:
What is an Hypothesis
In response to the presence of endotoxin, macrophages will secrete il-1 (interleukin-1). this causes?
In response to the presence of endotoxin, macrophages will secrete IL-1 (interleukin-1). this causes inflammatory responses.
Interleukin-1 is a regulator of inflammatory responses. it produced effects of innate immunity. In process of activating the immune system and protecting the organism from foreign invaders, the inflammatory responses are generated like fever, pain, swelling, etc.
Inflammatory responses are the reactions generated by the body when the immune system tries to protect the body. The various inflammatory responses are: pain, swelling, generation of heat on the affected area, or redness. This happens due to the accumulation pf various immune cells at the target site.
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All of the following are characteristics of viruses except :________
a) definite shape.
b) metabolism.
c) genes.
d) ability to infect host cells.
e) ultramicroscopic size.
Answer:
B. Metabolism
Explanation:
Viruses cannot make food, take in food, or produce waste
All of the characteristics listed are true for viruses except for b) metabolism.
What is a virus?A virus is a non-living infectious agent that can only replicate inside the host cell. They are extremely small and can only be seen under an electron microscope. Viruses are composed of genetic material (DNA or RNA) enclosed in a protective protein coat called the capsid. They do not have the ability to replicate or survive on their own and rely on host cells to provide the necessary metabolic machinery to replicate
Viruses are ultramicroscopic in size and do not have a definite shape. Viruses also infect host cells and utilize the host's metabolic machinery for replication. Viruses lack a metabolism of their own, and are thus not considered living organisms.
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PLEASE HELP ASAPP. WILL GIVE BRAINLIEST AND 5 STAR RATIBG
Answer: mass
Explanation:
there is nothing about material to heat. mixture, depends, it has to be a specific situation. heat does contain mass though.
What kind of fat wreaks havoc on your metabolic processes and puts you on the path to disease?
Visceral fat that wreaks havoc on your metabolic processes and puts you on the path to disease. It wraps around your abdominal organs deep inside your body.
A healthful quantity of visceral fats withinside the common individual is round 10%. A lady with a waist dimension of extra than 35 inches and a person who has a waist larger than forty inches are in all likelihood to have extra visceral fats. Regular cardio exercising is a extremely good manner to shed visceral fats. It's usually called cardio, and it burns a variety of calories.
In fact, many research have proven that cardio exercising will let you lose visceral fats, even with out dieting.visceral fats appears to be bad diet, especially one it's excessive in brought sugar and easy carbohydrates . That ends in weight benefit it's frequently tough to lose, especially with inside the belly area.
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Molluscs, such as clams, have mosaic cleavage. is it possible for molluscs, or any other animal with mosaic cleavage, to have monozygotic twins? explain.
Moluscs are unable to have monozygotic twins because they have a mosaic cleavage as their fate is predetermined and they don't develop into a new individual.
What are monozygotic twins?Identical twins are referred to described as such because of their identical appearance. However, "monozygotic" is a more precise phrase. Monozygotic twins have nearly identical genetic makeup.
When one sperm fertilizes just one egg, this kind of twin creation starts (oocyte). The cells of the fertilized egg (also known as a zygote) divide and expand into a blastocyst as it moves into the uterus. The blastocyst subsequently divides into two embryos in the case of monozygotic twins.
Monozygotic twins, to put it simply, are produced when a single fertilized egg splits into two. Two infants are then born from two embryos. The word used to describe this procedure is monozygotic ("mono" means one and "zygote" denotes fertilized egg).
Therefore, Moluscs cannot form monozygotic twins.
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Which type of consumer does photosynthesis: heterotrophs or autotrophs?
Answer:
Explanation:
Another major difference between autotrophs and heterotrophs is that autotrophs have an important pigment called chlorophyll, which enables them to capture the energy of sunlight during photosynthesis, whereas heterotrophs do not.
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In what important way does receptor-mediated endocytosis differ from phagocytosis?.
Receptor-mediated endocytosis differ from phagocytosis because it only brings in specifically targeted substance.
Endocytosis is the process of bringing material into a cell by encasing the necessary material in vesicles. Either macromolecules or particles may be included in the substance to be ingested. A portion of the plasma membrane, which pinches off inside the cell to create an endocytic vesicle, surrounds them. Phagocytosis, pinocytosis, and receptor-mediated endocytosis are the three types of endocytosis.
The size of the vesicle produced during phagocytosis and pinocytosis differs from one another. In contrast to receptor-mediated endocytosis, which involves the entry of targeted macromolecules that are recognized by the particular receptors in the plasma membrane, phagocytosis involves the taking in of massive solid materials that form a huge vesicle termed a phagosome.
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List and describe the 5 cutaneous glands of the integumentary system. be sure to include distribution of each (where they are found on the body).
There are five distinct cutaneous glands of the integumentary system:
1. The body contains several merocrine sweat glands, which are responsible for controlling body temperature by secreting fluids.
2. In the pubic region and axilla are apocrine sweat glands.
3. Sebaceous glands release an oily substance called sebum that shields the skin from corrosive bacteria and inhibits fluid loss.
4. Ceruminous glands, which are remodeled apocrine sweat glands, are located in the external ear canal's lining.
5. Humans and other species' breasts have mammary glands
The integumentary system is composed of five components: skin, hair, nails, glands, and nerves.
Integumentary system:
Your body's outermost layer is called the integumentary system. Your skin, hair, nails, and glands make up your body. These systems and parts serve as your body's initial line of defense against microorganisms as well as your defense against harm and the sun. Your body's integumentary system collaborates with other bodily systems to maintain balance.
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The specific gravity of a mineral is that mineral's ______ compared to that of freshwater.
The specific gravity of a mineral is that mineral's density compared to that of freshwater.
Specific gravity is the ratio between the density of an object and the density of a reference substance (water).
The density of an object is the relation that exist between the mass and the space that the object occupies. Its general formula is: ρ = m/v
Where:
v= volumeρ= densitym= massThe specific gravity value tells us whether the object will sink or float in our reference substance (water), its general formula is:
specific gravity = density of the object/ density of water
What is density?It is a physical quantity that expresses the ratio of the body mass to the volume it occupies.
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Chymotrypsin is used for:__________
reduction of disulfide bonds between cysteine residues.
amino-terminal determination.
Chymotrypsin is used for polypeptide cleavage on the C side of Trp, Tyr or Phe.
What is Chymotrypsin?Other proteins' aromatic C-terminal amino acids are hydrolyzed by it using an active serine residue. The protease enzyme chymotrypsin cleaves peptide chains at the C-terminal phenylalanine (F), tryptophan (W), and tyrosine (Y) residues.
Since the 1960s, chymotrypsin has been used in clinical settings as an oral proteolytic enzyme preparation. In comparison to a few other enzyme preparations currently on the market, it offers better inflammatory symptom relief and supports a quicker recovery from acute tissue injury.
The inactive monomeric protein chymotrypsinogen, which is produced and secreted by mammalian pancreas, is broken down into chymotrypsin by cleavage of several peptide bonds. As a result, three different polypeptide chains that make up the active enzyme were created.
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Which of these provides your body with energy? minerals fats oxygen vitamins light
Our body gets energy from fats among the following options.
Our body uses glucose as its main energy source. Other sources of energy contain proteins as well as lipids.
To maintain the body's essential functions, very little in the way of minerals is needed.
In the process of respiration, oxygen is crucial. Energy must be released in order for glucose to also break down.
Vitamins are essential for functioning like fighting infection, wound healing, making our bones strong and regulating hormones.
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Tempo is the rhythm with which the load is moved during a repetition, and affects which metric?
Tempo is the rhythm with which the weight is moved at some point of repetition and influences the intensity. Rhythm is the sample of sound, silence, and emphasis in a song. performed, musical rhythm additionally stipulates how lengthy they may be performed and with what intensity.
Metric modulation is a extrade in pulse rate (tempo) and/or pulse grouping (subdivision) that's derived from a notice cost or grouping heard earlier than the extrade.
Examples of metric modulation can also additionally encompass adjustments in time signature throughout an unchanging tempo, however the idea applies extra in particular to shifts from one time signature/tempo (metre) to another, in which a notice cost from the primary is made equal to a notice cost with inside the second, like a pivot or bridge.
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The class of lipid that is derived from fatty acids and that alters blood pressure by its action on arterial smooth muscle cells is?
Prostaglandins are a class of lipid produced from fatty acids that affect arterial smooth muscle cells to change blood pressure.
What function do prostaglandins serve in inflammation?Lipid acetateoids called prostaglandins are produced from arachidonic acid.They both support homeostatic processes and control pathogenic processes, such as the inflammatory reaction.Inflammation, which is accompanied by the signs of redness, swelling, pain, and fever, is brought on by the high amounts of prostaglandins that are created in response to injury or infection. This plays a crucial role in the body's typical healing process.What cause prostaglandins?Prostaglandins cause the muscles in your uterus to contract during your menstruation. These contractions aid in the uterine lining's removal.Prostaglandin levels can make period cramps worse, and hard contractions can narrow the blood arteries surrounding the uterus.
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What are the monomers that
make up DNA?
A. amino acids
B. nucleotides
C. polypeptides
Answer:
I think it is B, nucleotides
Active tissues generate carbon dioxide, which diffuses out of the tissue into the bloodstream, to be carried away. is this diffusion into the blood a case of flow up a gradient, or down? explain.
The carbon dioxide is created in the active tissues, which are at the bottom of the concentration gradient and have the highest concentration.
Why is a concentration gradient significant and what does it entail?Understanding how ions and particles flow randomly in a solution or gas depends on the concentration gradient.It is the method used to move particles in a solution from a region of higher concentration to one of lower concentration.What function does the gradient in concentration play in diffusion?Therefore, the concentration gradient symbolises the idea that, during diffusion, molecules move down the concentration gradient in a manner similar to how a ball rolls down a hill. Diffusion rates will increase with increasing concentration gradients. The gradient evens out as the molecules move toward equilibrium.
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Suppose separate gene knockouts do not produce any phenotypic effects but combining the two gene knockouts in one organism shows a difference in phenotype. what is the most likely explanation?
The most likely explanation for this circumstance is Gene redundancy.
What is Gene knockout?Gene knockout may be defined as a type of genetic technique through which a specific gene from living organisms is eliminated or removed. Apart from this, the function of a specific gene is also terminated with this technique.
Gene redundancy may be characterized as an instance through which two or more genes perform an identical function and the inactivation of either one of them has little or no effect on the biological phenotype or pathway.
Therefore, gene redundancy is the most likely explanation for the given circumstance.
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True or false: phospholipids that are part of a cell membrane contain only unsaturated fatty acids.
True
The statement phospholipids that are part of a cell membrane contain only unsaturated fatty acids is true.
Phospholipids that are part of a cell membrane contain only unsaturated fatty acids.
Are unsaturated fatty acids present in all phospholipids?Cells can transport molecules around and divide to create new cells thanks to flexible membranes. Each phospholipid contains two fatty acids, which are large chains of atoms. There are numerous different fatty acids, but due to differences in their chemical makeup, they are usually divided into saturated and unsaturated groups.Which fatty acid is found in cell membrane phospholipids?Omega-3 fatty acids EPA and DHA are frequently incorporated into the phospholipid molecule of marine phospholipids.In cell membranes, are fatty acids saturated?After the inclusion of saturated fatty acids longer than 15 carbon atoms and the addition of unsaturated fatty acids, the usual percentage of unsaturated fatty acids in LM cell membrane phospholipids (63%) was decreased to 35–41% and increased to 72–82%.To learn more about phospholipids visit:
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When you use the higher magnifications on the microscope, focal adjustments should be made using the?
the higher magnifications on the microscope, focal adjustments should be made using the fine focus knob
What is magnification?
Magnification is the process of enlarging something's apparent size rather than its actual size. This enlargement is measured in terms of a calculated quantity known as "magnification." The term "minification" or "de-magnification" is frequently used to describe a reduction in size when this number is less than one.
Magnification frequently refers to enlarging graphics or images to view more detail, boosting resolution, using a microscope, printing methods, or digital processing. The viewpoint of the image is unaffected by image magnification in every situation.
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Calculate the carrying capacity for this deer population based off the information given on this chart.
Thank you
Answer:
too small
Explanation:
The most numerous of the leukocytes is the __________.
a) basophil
b) monocyte
c) eosinophil
d) neutrophil
e) lymphocyte
Answer:
D. neutrophil
Explanation:
because they are phagocytic and have light colored granules
Please help asap i need HELP ☹
Answer:
300 m³
Explanation:
Given that,
→ L = 12 m
→ W = 5 m
→ H = 5 m
The formula we use,
→ V = L × W × H
Now the volume of swimming pool is,
→ L × W × H
→ 12 × 5 × 5
→ 12 × 25
→ 300 m³
Hence, the volume is 300 m³.
The binding of a molecule to a cell-surface receptor may result in the activation of another molecule within the cell which, in turn, causes an alteration in cell function. What is this molecule within the cell called?.
Adjacent cells cling to one another with the aid of cell adhesion molecules, which are present on the cell surface. When a chemical binds to a cell-surface receptor, it may stimulate another molecule inside the cell to become active, which changes how the cell functions.
What function does a cell serve?From bacteria to humans, cells give all living things their structure and functionality. They are regarded as the tiniest form of life by scientists. The cell membrane, the nucleus, and the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic fibres and hundreds or even thousands of tiny, unique structures known as organelles can be found in the cytoplasm.
The biological machinery that creates the proteins, chemicals, and signals necessary for every process in our body is housed within cells.
The interior of the cell is divided into many organelles that are each surrounded by a distinct membrane. The genetic material required for cell growth and reproduction is stored in the nucleus, a primary organelle. Each cell has a single nucleus and cytoplasmic organelles that are membrane-bound.
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What was done to overcome the problem of the MSL landing?
Answer:
engineers designed the assembly to cut off the parachute, and use rockets for the final part of the landing sequence
Explanation:
space.com
Answer: "A parachute was used"
To solve the problem, engineers designed the assembly to cut off the parachute, and use rockets for the final part of the landing sequence. About 60 feet (18 m) above the surface, MSL's "sky crane" deployed. The landing assembly dangled the rover below the rockets using a 20-foot (6 m) tether.
Explanation:
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Chondrocytes are to cartilage as osteocytes are to:_____.
a. blood.
b. bone.
c. fat.
d. skin.
Chondrocytes are to cartilage as osteocytes are to bone.
Division of fishesFishes are divided into three major groups. These are:
AgnathaChondrocytes OsteocytesAgnathas are fishes without jaws, such as lampreys and hagfish.
Chondrocytes are cartilaginous fishes. They include sharks and the giant sting ray.
Osteocytes are the bony fishes. They include tilapia and other fishes that have bones as opposed to cartilage.
Thus, Chondrocytes are to cartilage as osteocytes are to bones.
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17. Epithelium exhibits many plasma membrane modifications. Figure 3-7 depicts
some of these modifications.
First: Choose a color for the coding circles and the corresponding structures
in the figure.
O Epithelial cell cytoplasm
Epithelial cell nucleus
Nerve fibers
Connective tissue
Blood vessel
What is a category of ai that attempts to emulate the way the human brain works?
Category of AI that attempts to emulate the way the human brain works neural network.
A neural network is a biological neural network made up of biological neurons or an artificial neural network used to solve artificial intelligence (AI) problems.
Artificial neural networks model biological neuron connections as weights between nodes. An excitatory link is represented by a positive weight, whereas an inhibitory connection is represented by a negative weight. Each input is given a weight before being added together.
These artificial networks can be applied to adaptive control, predictive modelling, and other tasks where a dataset can be utilised to train them.
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The lowest salinity in the ocean occurs near the equator, where precipitation exceeds evaporation and the ________ biome is located?
desert
The lowest salinity in the ocean occurs near the equator, where precipitation exceeds evaporation and the desert biome is located
Water is lost by evaporation, which makes the remaining water saltier.precipitation ( which adds fresh water, thereby diluting the seawater and making it less salty)fresh (river) water influx ( which makes the seawater freezes, salts are excluded from the ice, leaving the unfrozen seawater saltier)the sea ice freezing and melting. (Salts are left out of the ice when seawater freezes, making the unfrozen seawater saltier.)Salinity is high where the world's great deserts are located. In certain regions, both on land and at sea, evaporation outpaces precipitation. Surface salinity surpasses the typical range in a confined sea, such as the Mediterranean, where there is little input of fresh water.Near the equator, there is less evaporation due to high precipitation and cold water rising from the deep sea and moving westward in the tropical eastern pacific and eastern Atlantic oceans.To learn more about biomes visit:
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During fetal development the primary site(s) of red blood cell production is/are?
The yolk sac is the primary site for the production of red blood cells in the first 6 to eight weeks of gestation.
What is the yolk sac?The yolk sac is a tiny, external, membrane organ that serves a number of purposes during embryonic development. It connects to the growing embryo ventrally by the yolk stalk. The terms vitelline duct and omphalomesenteric duct are interchangeable when referring to the yolk stalk.
The midgut, an early ancestor of the gastrointestinal system, is connected to the yolk sac by the yolk stalk. The yolk sac and midgut are both endodermal organs. Several crucial biological processes, such as the development of germ cells and early hematopoiesis, are carried out by the yolk sac in the early stages of pregnancy. Clinically, the yolk sac acts as a strong sonographic indicator of unfavorable pregnancy outcomes.
Therefore, the yolk sac is the primary site for RBC production during gestation.
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What organelle consists of a series of connected spaces termed cisternae and is extremely embedded with ribosomes?
The organelle consists of a series of connected spaces termed cisternae and is extremely embedded with ribosomes are endoplasmic reticulum.
The endoplasmic reticulum is an important membrane bound organelle that have functions of protein folding and transportation.
It can be divided into two types- smooth endoplasmic reticulum and rough endoplasmic reticulum. The smooth ER is associated with formation and transportation of lipids.
The rough ER is associated with formation and transportation of proteins and have ribosomes in its surface that gives the rough appearance.
It consist of series of connected space called cisternae which have integral role in packaging and modification of protein and lipids. It is flattened tube like apparatus.
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