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DIA [1.3K]
3 years ago
8

Why are proton pumps in root-hair plasma membranes important?

Biology
1 answer:
Vikki [24]3 years ago
5 0

Root-hairs increase the surface area for nutrition absorption. The proton-pumps in root-hair plasma membranes are important in plants is because they carry nutrients into the cell against a strong concentration gradient.

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What are the 4 phases of Mitosis?
lozanna [386]

Answer:

During mitosis, when the nucleus divides, the two chromatids that make up each chromosome separate from each other and move to opposite poles of the cell. ... Mitosis actually occurs in four phases. The phases are called prophase, metaphase, anaphase, and telophase.

Explanation:

I hope this helps :))

(This is from google)

7 0
4 years ago
Which of the following is an example of the endocrine system directly interacting with the nervous system?
Delvig [45]

Answer:

B.

Explanation:

A gland in the endocrine system is made up of groups of cells that function to secrete hormones. The endocrine system works together with the nervous system to influence many aspects of human behavior, including growth, reproduction, and metabolism. And the endocrine system plays a vital role in emotions

6 0
4 years ago
Which of the following statements is the of asexual reproduction?
marin [14]

The answer is B because the new cells formed during asexual reproduction are formed by mitosis there is no genetic diversity.

5 0
4 years ago
The GFP gene ___________.
snow_lady [41]

Answer: c. will be transcribed by RNA polymerase to produce the GFP mRNA. The GFP mRNA will be translated by ribosomes to produce the GFP protein, which will glow bright fluorescent green color under UV light

Explanation:

<u>A gene is a sequence of DNA, which encodes for a protein.</u> DNA is made up of nucleotides and ther are four types: adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases determines which protein will we produced.

To synthesize the protein, first the gene in the DNA must be transcribed to mRNA by action of the RNA polymerase that uses the DNA strand as a template to copy its bases and form a complementary RNA strand.

Then, the translation process occurs. This occurs in ribosomes, where each RNA codon (set of three bases) codes for an amino acid. That's how a protein is synthesized.

<u>GFP is a Green fluorescent protein which is used to tag proteins and to study many cellular processes in cells. </u>This protein has a green color which fluoridates under UV light. This can be seen for example under a fluorescence microscope to detect the location of the protein in the cell.

4 0
3 years ago
Earthquakes produece two types of waves that flow through the interior of earth
Gwar [14]

earthquakes produce both body and surface waves which is the fast sesmic wave!!

hope this helps!!

5 0
3 years ago
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