Plasma contains more than 90% water. The remainder is primarily made up of dissolved solutes like glucose, lipids, electrolytes, and dissolved gases, as well as plasma proteins, primarily albumin, globulins, and fibrinogen.
What are the three dissolved substances in plasma?Essential components including water, salt, and enzymes are also present in plasma. These also include antibodies and coagulation components like albumin and fibrinogen.
Does plasma contain any dissolved solutes?Plasma proteins, electrolytes (including sodium, potassium, and calcium), dissolved gases (like oxygen and carbon dioxide), and organic nutrients are among the dissolved solutes that can be found in plasma (such as glucose, amino acids, lipids).
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one of the explanations for why imprinting occurs in mammals is that it balances the paternal interest in fathering large, robust babies with the maternal need to balance resources between herself and the developing fetus. this is called the
The given statement "one of the explanations for why imprinting occurs in mammals is that it balances the paternal interest in fathering large, robust babies with the maternal need to balance resources between herself and the developing fetus" is called the parental conflict hypothesis.
It suggests that imprinting in mammals evolved as a means of resolving the potential conflict between the mother and father's interests in offspring development. Paternal genes may favor larger, more resource-demanding offspring, while maternal genes may favor smaller, less demanding offspring. Imprinting allows for a balance between these conflicting interests, as the offspring's development is influenced by both parents but still maintains a level of independence.
This hypothesis is supported by observations in several mammalian species, such as mice and humans, where imprinting plays a role in regulating fetal growth and development.
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How do cells connect to the extracellular matrix?A. through cadherinsB. through gap junctionsC. through integrinsD. through tight junctions
The extracellular matrix cells connect through Integrins. Integrins are a family of transmembrane proteins that act as receptors on the surface of cells. So, the correct answer is option C.
They interact with other cell-surface proteins and the extracellular matrix (ECM) to build a vast network of protein complexes that allow the cell to communicate with its surroundings.
Integrins play a significant role in cell adhesion, migration, signalling, and development and mediate a variety of cell-matrix and cell-cell interactions. Two alpha and two beta subunits that are joined by disulfide bonds make up integrin proteins.
The intracellular domain binds to actin and other cytoskeleton-related proteins, whereas the extracellular domain interacts to proteins in the ECM.
The cell can perceive and respond to messages from its environment thanks to this binding, which also enables it to attach to other cells and its environment.
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Which of these choices is the original source of energy that humans receive from consuming
an herbivore such as a cow?
Answer:
the glucose we make from eating the cow
What effect does the Continental Divide in the United States have on water runoff?
Answer:
It separates the water that runs toward the Pacific Ocean from the water that runs toward the Atlantic and Arctic Oceans and the Gulf of Mexico.
trophoblastic tumor villous decreased syncytiotrophoblast cells, and proliferation of intermediate trophoblast cell -> decrease hcg production
Villous trophoblastic tumor and decreased syncytiotrophoblast cells, along with the proliferation of intermediate trophoblast cells, are related to a decrease in hCG production.
Human chorionic gonadotropin (hCG) is a hormone that is produced by the placenta after a woman becomes pregnant. It is measured in the blood or urine to confirm pregnancy. A decrease in hCG production can indicate various complications during pregnancy, including a villous trophoblastic tumor and decreased syncytiotrophoblast cells.There are two types of trophoblastic tumors: hydatidiform moles and choriocarcinomas. In villous trophoblastic tumor, the trophoblastic cells within the placenta become abnormal and proliferate excessively. These tumors are typically benign, but they can develop into choriocarcinomas, which are cancerous. The syncytiotrophoblast and intermediate trophoblast cells are two types of trophoblastic cells found in the placenta.
These cells produce hCG, which can be detected in a pregnant woman's blood or urine. In the case of a villous trophoblastic tumor, the trophoblastic cells within the placenta become abnormal and proliferate excessively, causing a decrease in the number of syncytiotrophoblast cells and a subsequent decrease in hCG production.Intermediate trophoblast cells are another type of trophoblastic cell found in the placenta. These cells do not produce hCG. An increase in intermediate trophoblast cells and a decrease in syncytiotrophoblast cells can lead to a decrease in hCG production. This is because the intermediate trophoblast cells are not able to compensate for the loss of syncytiotrophoblast cells and produce enough hCG to maintain pregnancy.
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Use photosynthesis in a sentence
Answer:
Plants need photosynthesis to survive.
Answer:
Photosynthesis commences in the presence of light, carbon dioxide and when the plant is subjected to a suitable temperature.
Explanation:
This is from google. <3 Hope it works. :)
Cleavage of APP at which of the following proteolytic cleavage sites produces A-beta40 and A-beta42 (choose all options that apply)
Delta
Alpha
Beta
Gamma
Cleavage of APP at proteolytic cleavage sites produces A-beta40 and A-beta42. The A-beta40 and A-beta42 proteins are produced when APP is cleaved by the gamma-secretase enzyme. The correct answer to this question would be Gamma.
Alzheimer's disease is a neurodegenerative disorder that has a significant impact on people's lives. The A-beta protein is a crucial component of the disease's development. The A-beta40 and A-beta42 proteins are produced when APP is cleaved by the gamma-secretase enzyme. The correct answer to this question would be Gamma
A-beta protein is created through cleavage of the amyloid precursor protein (APP) by enzymes referred to as secretases. The A-beta40 and A-beta42 proteins are produced when APP is cleaved by the gamma-secretase enzyme. Therefore, the correct answer to this question would be Gamma. The gamma-secretase is a crucial component of the A-beta protein production process.
The A-beta protein is produced by cleavage of the amyloid precursor protein (APP) by enzymes referred to as secretaries. The A-beta40 and A-beta42 proteins are produced when APP is cleaved by the gamma-secretase enzyme. Therefore, it can be concluded that the cleavage of APP by the gamma-secretase enzyme produces A-beta40 and A-beta42.
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You are hiking along a river when you notice an area of
deposited rocks that vary in size from very large to very
small. If you were to describe this accumulation of rocks
you would say that they are
Sediments are often what accumulates along a river bank to form the rocks.
Describe sediments.Sediment is a naturally occurring substance that disintegrates by erosive weathering and is transported by the action of wind, water, ice, or gravity on particles. The thing that moves and deposits itself in new places is solid matter. Rocks, minerals, and fossilized plant and animal remnants can all be found in sediments. It can range in size from a rock's size to a sand grain.
By way of erosion, sediments travel from one location to another. River sediment builds up when the flow is reduced. Lighter silts and clays only settle when the water is mostly quiet, and larger, heavier particles like pebbles and sand settle first.
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When oxygen is available following glycolysis, pyruvic acid continues along the energy-producing pathway of cellular respiration called
A) Aerobic respiration
B) Anaerobic respiration
C) Fermentation
D) Photosynthesis
Answer:
Aerobic respiration
Explanation:
Hope it's right!:)
Answer:
aerobic
Explanation:
It's aerobic because any order respiration that occurs when the is oxygen is called aerobic respiration
what is the funtion of the cilia
The function of cilia is to move water relative to the cell in a regular movement of the cilia. This process can either result in the cell moving through the water, typical for many single-celled organisms, or in moving water and its contents across the surface of the cell.
which kind of fossilization process leaves behind a three-dimensional shape of an organism made out of minerals?
Answer:
Permineralization
Or
The kind of fossilization process that leaves behind a three-dimensional shape is Cast and Molds, & Petrified fossils.
can some one helpppppp plssss
AYO PLS HELP...... condon amino acids ect
Consider a variant of Hotelling’s model in which there are 3 candidates and each candidate has the
option of staying out of the race, which is better than losing and worse than tying for first place.
Less than 1/3 of the citizen’s favorite positions are equal to the median favorite position (m).
The statement suggests that less than one-third of the citizens' favorite positions are equal to the median favorite position.
Hotelling's model is a spatial model of political competition where candidates position themselves along a one-dimensional policy space to maximize their vote share. In this variant, with the inclusion of the option to stay out of the race, candidates have the opportunity to avoid losing by not participating. However, staying out of the race is still considered less favorable than tying for first place.
The statement indicates that less than one-third of the citizens' favorite positions are equal to the median favorite position (m). This suggests that there is a concentration of citizen preferences on positions other than the median. The specific distribution of citizen preferences and its implications would depend on the exact positioning of the candidates and the nature of voter behavior.
Overall, this variant of Hotelling's model introduces an additional option for candidates to stay out of the race, which affects the dynamics of competition and the distribution of citizen preferences. The statement about the concentration of citizen preferences highlights a departure from a symmetric distribution and adds complexity to the strategic choices and outcomes in the model.
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how many ATPs are produced per 3 seconds by the average human?
a )27.16
b) 14.83
c) 6.94
d) 31.58
Natural selection requires there to be a variation of alleles in a population. What mechanism best describes how new alleles are formed in a population
Answer:
Natural selection does not create adaptions, mutations, or variations. Natural selection causes the extinction of individuals who are not well adapted to changes in the environment. Natural selection can also provide reproductive advantages for some individuals over other individuals.
A RESEARCHER, WHILE ISOLATING AN ENZYME, FINDS AN INCREASE IN THE ACTIVITY OF THE ENZYME, AFTER A SPECIFIC PHASE THE SITUATION. HOW DO YOU THINK YOU CAN EXPLAIN THIS INCREASE OF TOTAL ACTIVITY?
The enzyme of this exercise could have increased its activity after their isolation, due to an increase in the substrate this enzyme acts on. For example, after we eat our food at dinner, the concentration of our bodies' insulin increase, due to a higher concentration of glucose from that aliments provenience from the digestion on our stomachs. This also can cause a positive feedback reaction in our bodies, which means that a little amount of enzyme, can produce more of this molecule, and they are those kinds of metabolic processes which usually are involved in maintaining our bodies' homeostasis.
We can see an example of this in the following picture, where the presence of a substrate, activates the enzyme.
Bacteria and viruses that cause disease can disrupt homeostasis and make you sick.
true
false
Answer:
TRUE
Explanation:
bacteria can also disrupt homeostasis in your body, and can make you sick. Any substance that causes the disease is called a pathogen. Your body reacts to pathogens to try and maintain homeostasis, and certain symptoms will appear as your body tries to get back on track.
(PLESE HELP) A 100-m long ski lift carries skiers from a station at the foot of a slope to a second station 50 m above the base. What is the mechanical advantage of the lift?
500
2
0.5
40
Answer:
2
Explanation:
MA=l/h
The length is 100 and the height is 50
100/50=2
There are 22 different amino acids. What part of each amino acid is differnt from the others
Answer:
Amino acids are units or building blocks of protein. These are crystalline solid without any colour and are soluble in water and insoluble in the organic solvent. All amino acids have five basic parts. These are a central carbon (C) atom, hydrogen(H) atom, an amino group (NH2) with one nitrogen atom and two hydrogen atoms, a carboxyl group (COOH) having one carbon atom, two oxygen atoms, and one hydrogen atom and an R-group or side chain. There are 22 different types of amino acids. They are different due to the different side chain or R-group. For example, if the side chain is H, the amino acid is Glycine and if side chain is CH3, the amino acid is Alanine
Explanation:
can anyone help me fill in the blank lol ?
Answer:
I can't really see it.
Explanation:
After a large disturbance, pioneer species often appear in this order.
After a large disturbance, species use to appear again in the area from organisms with lower metabolic needs than organisms with highers. In this orders of ideas, we can say that first, there would be prokaryotes or protists; second, non-vascular plants, and at third, vascular plants, as stated in the last answer option.
Why is serial dilution required before doing a cell count?
The concentration of bacteria is determined via serial dilutions. In order to obtain a sufficient number of colonies to count, the sample is diluted and plated because it is typically hard to count the number of microorganisms in a sample directly.
In microbiology, serial dilutions are used to bring bacterial concentrations down to the level needed for a particular test method or to a level where counting bacteria on an agar plate is simpler.
Because it is difficult to determine how many bacteria are present in a sample of water, food, or a medical sample like a urine or feces sample, serial dilutions are frequently utilized in conventional plate counts. To get enough CFUs to produce statistically meaningful findings, the sample is diluted.
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What determines the current phase of the moon?
Which side of the moon is facing earth
The earths seasons
How much of the sunlit part of the moon is visible
The 23.5 degree tilt of the Earths axis
Answer:
the answer is C
Explanation:
...............
Explain how biodiversity makes food webs more stable.
Answer:
Food-web stability is enhanced when many diverse predator-prey links connect high and intermediate trophic levels. ... Potential food webs not only differ by their species composition, but also vary in their stability.
Explanation:
i hope this helps :)
which statement is false concerning gametes produced by meiosis?
The false statement concerning gametes produced by meiosis is that they are diploid. Meiosis is a type of cell division in which a single cell divides into four genetically diverse haploid cells. In humans, meiosis occurs in the ovaries and testes, where diploid germ cells differentiate into haploid eggs and sperm cells.
Gametes are haploid cells that are produced as a result of meiosis. They contain only one set of chromosomes, whereas somatic cells contain two sets of chromosomes.Gametes are produced through the process of meiosis. In meiosis, the parent cell undergoes two rounds of division, resulting in the production of four genetically diverse haploid cells. The gametes produced through meiosis are haploid, not diploid. This means that they contain only one set of chromosomes, which is half the number found in somatic cells. Therefore, the false statement concerning gametes produced by meiosis is that they are diploid.
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Mice produce a large number of offspring all year long, yet the number of mice within
a given population changes very little from year to year. The stability of the population
size is most likely the result of
disease or hunting.
mice are prey for numerous animals so I'd say it doesn't change much bc they're always being hunted
what is exact name of..
Thick Walled isodiametric dead cells
Answer:Sclerenchyma
Explanation:Sclerenchyma is thick walled dead lignified cells, they are hard and elastic. The sclerenchyma cells are divided into two groups namely fibers and sclereids. Sclerenchymatous fibers are branched/unbranched, long, hard, pointed cells with tapering ends, thick walls, and narrow lumen.
Answer:
Sclerenchyma is Greek word where "Sclero-" means hard and "enchyma" means infusion. This tissue consists of thick-walled, dead cells and protoplasm is negligible. These cells have hard and extremely thick secondary walls due to uniform distribution and high secretion of lignin and have a function of providing mechanical support
I hope that answers your question
Determine the major organic product for the reaction scheme shown.
The major organic product for the reaction scheme shown is (E)-3,4-dimethyl-2-hexene.
The starting material is 3-methyl-2-pentene, which undergoes an acid-catalyzed hydration reaction to form a secondary alcohol intermediate. The intermediate then undergoes E1 elimination to form (E)-3,4-dimethyl-2-hexene as the major product.
The reaction scheme shown involves an acid-catalyzed hydration reaction followed by E1 elimination. The starting material is 3-methyl-2-pentene, which is a terminal alkene. When this alkene is treated with aqueous acid (H2SO4), it undergoes an addition reaction with water (H2O) to form a secondary alcohol intermediate.
The mechanism of this reaction involves protonation of the alkene by the acid, followed by nucleophilic attack of water on the carbocation intermediate. This forms a stable secondary carbocation intermediate, which can then be deprotonated by water to form the alcohol product.
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HELP ME WITH THIS BIO QUESTION PLEASE FREE 10 POINTS
Answer:
I cant see the question im on a school comp sorry
Explanation:
Answer:
A
Explanation: