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son4ous [18]
2 years ago
9

In a study to determine the impact of caffeine on the growth of

Biology
2 answers:
Nutka1998 [239]2 years ago
8 0

Answer:

student growth

Explanation:

Triss [41]2 years ago
8 0

Answer:

Student growth

Explanation:

The Dependant Variable is the result in the project; Caffeine is the Constant; The type of student (in Caffeine or no Caffeine Group) is the independent variable.

Hope this help :3

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VashaNatasha [74]

Answer:

The correct statement concerning the cell membrane lipid molecules is that "energy is not expended during diffusion" (Option d)

Explanation:

Biological membranes are formed by two lipidic layers arranged with their hydrophilic polar heads facing the exterior and the interior of the cells, and their hydrophobic tails against each other. Membranes are fluid, which means that molecules that form it have the capability to move through it.  

Lipids can easily change places with other neighbor lipids by <u>lateral diffusion</u> in the same layer. This is passive diffusion, which means that it does not need energy to happen.

Lipids can also diffuse transversally to the other layer, but this kind of movement is not as easy as lateral diffusion.

There are also other lipidic movements as rotational diffusion that imply the rotation of the molecule.

Through this lipidic bilayer, there is also a passive transport of some particles from one side of the cell to the other which happens because of concentration differences.

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3 years ago
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NemiM [27]

Answer:

falling blood volume

Explanation:

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2 years ago
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They have been in the Northern and Southern polar regions, and not within the inner part of earth, maybe due to there location
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2 years ago
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Would you expect a plant to produce more oxygen on a cloudy day or a sunny day? explain
Komok [63]

Answer:

You would expect a plant to produce more oxygen on a sunny day because there are more sun rays available to plants so photosynthesis is easier to maintain, as well as oxygen production.

7 0
3 years ago
In familial hypercholesterolemia, individuals homozygous for the allele causing the disorder completely lack receptor while indi
a_sh-v [17]

The right answer is C.

Incomplete dominance is when hybrids of the F1 generation have an intermediate phenotype (between the two phenotypes). That is, in the case of familial hypercholesterolemia, if the subject is heterozygous it will have 50% functional receptors compared to a healthy homozygous subject.

4 0
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