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amm1812
4 years ago
11

What element is found in proteins but not in carbohydrates and lipids?

Biology
1 answer:
Stels [109]4 years ago
4 0
The answer is nitrogen.
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One difference between phtosynthesis and cellular respiration is that cellular respiration occurs
Alecsey [184]

Explanation:

cellular respiration occur in animal/human

while photosynthesis occur in plant

5 0
3 years ago
You bend your arms at the elbow and forcefully press your palms into each other. Your hands do not move and the muscles of your
e-lub [12.9K]

Answer:

isometric contraction

Explanation:

Isometric contraction is a class of contraction where the muscle maintains a constant length as tension is produced, thereby the length of the muscles does not change during this process. Isometric contractions are performed without joint motion. They are appropriate for the rehabilitation of musculotendinous traumas due the muscle maintains a static position and contraction intensity can be controlled. This type of contraction is common for the muscles in the hands and arms.

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3 years ago
Diffusion occurs because of the ________________________ of molecules.
rosijanka [135]
Diffusion occurs because of the movement of molecules from the region of higher concentration to the region of lower concentration. This movement of molecules occurs due to a thermal motion. Diffusion normally occurs between two compartments having difference in concentration. In case of fluid it moves from the region of higher concentration to the region of concentration until a balance is reached. The process of diffusion is very important for the humans as well. The oxygen that humans breathe in gets diffused with the blood.


6 0
4 years ago
In a fruit fly experiment, grey body, normal winged (homozygous dominant) fruit flies were mated with black body, short winged (
bogdanovich [222]

Answer:

In a fruit fly experiment, grey body, normal winged (homozygous dominant) fruit flies were mated with black body, short winged (homozygous recessive) fruit flies. The F1 dihybrid females were then used in a test cross. If the genes are always linked and no crossing over occurs, what would be the predicted ratio in the F2 generation?

GG x bb = Gb, Gb, Gb and Gb  F1 generation

grey body heterozygous offspring 4:0

Gb x Gb= GG, Gb, Gb, and bb F2 generation

3:1 three grey body fly and one black body fly

Explanation:

6 0
3 years ago
What are the two active sites or domains on a repressor protein?
n200080 [17]

Answer:

DNA binding domain and allosteric domain

Explanation:

Repressors are proteins that inhibit gene expression, They usually have DNA or RNA binding site which enables them to binde to the operator or associated silencers. Allosteric domain is the site for the binding of other molecules, such as  corepressors and inducers that regulate repressor's activity.

3 0
3 years ago
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