Living cells are made of: nitrogen hundreds of different proteins a specific protein

Biology

2 answers:

Neko [114]2 years ago

5 0

I’m pretty sure c. hundreds of different proteins

bekas [8.4K]2 years ago

4 0

Answer:

All cells are made from the same major classes of organic molecules: nucleic acids, proteins, carbohydrates, and lipids.

Explanation:

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Cell-to-cell communication is absolutely essential for multicellular organisms. But how do plants communicate when their cells a

nevsk [136]

Ans.

Cell-to-cell communication allows signalling of essential substances between the plant cells, which are surrounded by cell walls. The molecules used by plants for long-distance signalling are known as hormones, such as auxin, ethylene, and gibberelin.

These hormones are secreted by one plant cell and received by another plant cell, where it exerts it affect. Thus, the correct answer to be fill in the blank is 'option A). hormones.'

3 0

3 years ago

Suppose you discovered a mutant yeast whose glycolytic pathway was shorter because of the presence of a new enzyme catalyzing th

Ganezh [65]

Answer:

The correct answer is the formation of pyruvate from glucose willl be energetically less favorable.

Explanation:

According to the question matunt yeast has a shorter glycolytic pathay catalysing a follwing reaction

Glyceraldehyde-3-phosphate+H2O+NAD+ = 3-phosphoglycerate

So in the mutatant the formation of 1,3- bisphosphoglycerate is not occurring.The glyceraldehyde-3-phosphate is directly converted into 3-phosphoglycerate.

As a result the substrate level phosphorylation step that deals with formation of 3-phosphoglycerate from 1,3 bisphosphoglycerate is not occurring.

From this point of view it can be said that less energy will be formed in the mutant during glycolysis than that of normal one.

So the formation of pyruvate from glucose will be energetically less favorable.

5 0

2 years ago

A person has problems in keeping his body in a balanced position and cannot coordinate his

k0ka [10]

Answer:

$\huge\boxed{\sf Cerebellum }$

Explanation:

Cerebellum is a leaf-like structure that is a part of the hind brain and is responsible for:

coordinating skeletal muscle movements.
controls movements, posture and balance.
involved in learning too.

So, if the cerebellum of the brain is affected/injured, a person can have difficulty in keeping their body in a balanced position, coordinate voluntary movements of skeletal muscles and learning.

$\rule[225]{225}{2}$