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artcher [175]
3 years ago
7

Which of the following best explains how the prokaryotic expression of a metabolic protein can be regulated when the protein is

already
present at a high concentration?
Biology
2 answers:
nevsk [136]3 years ago
6 0

Answer:

A

Explanation:

the person above me is correct

Salsk061 [2.6K]3 years ago
4 0

Answer:

A. Repressor proteins can be activated and bind to regulatory sequences to block transcription.

Explanation:

its A

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3. Gases pass in and out of a leaf through the
iVinArrow [24]

Answer:

a) stomata

Explanation:

The stomata are little pores / doorways / openings that have the express purpose of allowing gases in and out. Without this, plants would not be able to fix carbon, which is essential in respiration.

Why not c or b: The xylem and phloem channel water through the plant, not gases.

Why not d: The cuticle is the waxy outer layer of the leaf meant to protect it, not allow gases through.

3 0
3 years ago
Pls help this is due today!!
german

Answer:

1. The benefits include safer and more efficient nuclear power plants. The kind of energy that is produced is clean with no greenhouse gases and the cost of operating a nuclear power plant is inexpensive. 2.In terms of the disadvantages of uranium, it can have deleterious health effects and can lead to death because of its radioactivity. Radioactive waste is also an additional issue, if it is not disposed of at a safe place and not stored properly, it can leak radiation. Such emissions can last for centuries.

3. It produces no greenhouse gases or other waste and Tides are easily predictable. 4. High tidal power plant construction costs, Negative influence on marine

Explanation:

7 0
3 years ago
Selectively permeable membranes
irina [24]

Answer:

Semipermeable membrane

7 0
3 years ago
Amino acids and carbohdrates are absorbed in teh small intestine. True or False
Alex17521 [72]

Answer:

True

Explanation:

Carbohydrates products primarily glucose, galactose and fructose are absorbed in the small intestine. The apical membrane with in the small intestine absorbs Glucose and galactose while fructose is absorbed through facilitated diffusion via GLUT5  

However, amino acids are absorbed by Sodium cotransporter. Sodium cotransporter is found in the intestinal mucosa of small intestine and then transported via facilitated diffusion across the basolateral membrane

Hence, the given statement is true

3 0
2 years ago
HELP ASAP
baherus [9]

Answer: carbon dioxide and water

Those are the main products

4 0
2 years ago
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