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max2010maxim [7]
3 years ago
7

7. a) Protein molecules are the building blocks of the body. They are made up of long chain

Biology
1 answer:
Gemiola [76]3 years ago
4 0

Answer:

....................

Explanation:

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diamong [38]

This question is incomplete because the images a section 2 are not given. I searched for the complete question but could not find it. However, based on my knowledge and the characteristics of the tundra this is the answer.

The correct answer is C. The climate is harsh, which limits the number of species that can live there.

Explanation

The tundra is the name of an ecosystem that occupies a fifth of the earth's surface, mainly in the northern hemisphere, this is characterized by having a frozen subsoil that limits the emergence and growth of natural vegetation and trees. This ecosystem is the coldest on the planet due to its location near the poles, its landscape is characterized by a layer of snow that covers most of the ground. In addition, the climatic conditions are extreme, which limits the number of plant and animal species that can live there. According to the above, the correct answer is C. The climate is harsh, which limits the number of species that can live there.

4 0
3 years ago
In three to five sentences, explain the advantage of keeping some DNA needed by mitochondria in the cell’s nucleus and some in t
PolarNik [594]

Answer: Keeping those genes locally in the mitochondria gives the cell a way to individually control mitochondria,” Johnston says, because pivotal proteins are created in the mitochondria themselves. ... Other structures in our cells could also benefit from this type of local control.

6 0
3 years ago
The area drained by a river or river system is called a
telo118 [61]

Answer:

A river basin or drainage basin is an area of land drained by a river and its tributaries. The edge of the drainage basin is known as the watershed. This can be compared to a sink or basin, which catches the water falling into it. The water travels towards the centre and leaves the sink through a plug hole.

6 0
4 years ago
Read 2 more answers
Which microscope uses a series of lenses to magnify an object in steps? electron microscope simple microscope compound light mic
Kitty [74]
Compound light microscope

6 0
3 years ago
Read 2 more answers
The plasma membrane is how many layers?
stellarik [79]

Answer:

Plasma membrane contains 2 layers

Explanation:

Plasma membrane is extremely pliable structure composed of two layers of phospholids. Cholesterol are also found in between the phospholipids.

6 0
3 years ago
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