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Serga [27]
2 years ago
12

15. What's the requirement of every single natural process on Earth?

Biology
1 answer:
yKpoI14uk [10]2 years ago
8 0
15. What's the requirement of every single natural process on Earth?

answer: Energy source
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Which best explains why angiosperms are the most diverse and successful plant group today?
Arturiano [62]

Angiosperms are the most diverse and successful plant group. It has double fertilization which leads to the formation of an endosperm. It also has a stamen with two pollen sacs. It has a phloem tissue that is composed of sieve tubes and companion cells.

5 0
3 years ago
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Epinephrine causes the enzyme glycogen phosphorylase to break down glycogen within a cell. Epinephrine performs this task on int
SIZIF [17.4K]

Answer:

The fact that it reveals is that:

Epinephrine binds to the receptor tyrosine kinase on the cell membrane and does not act on glycogen phosphorylase.

Explanation:

In cellular respiration, epinephrine is a neurotransmitter and a plasma membrane hormone receptor.  It is not a lipid-derived hormone, but rather an amino acid-derived hormone. As a result, they are unable to pass through the plasma membrane of cells. They bind to receptors on the outer surface of the plasma membrane through plasma membrane hormone receptors (receptor's tyrosine kinase of the cell membrane) because they are lipid insoluble hormones.

Unlike steroid hormones, lipid insoluble hormones (epinephrine) do not directly influence glycogen phosphorylase or the target cell because they cannot enter the cell and operate directly on DNA. The activation of a signaling pathway occurs when these hormones attach to a cell surface receptor; this activates intracellular activity and performs the hormone's specific effects. Nothing crosses through the cell membrane in this fashion; the hormone that binds at the cell's surface stays at the cell's surface, while the intracellular component stays within the cell.

5 0
3 years ago
A shadow of complete darkness is called the
mafiozo [28]
The umbra is the innermost and dark part of the shadow where like it’s created by any light source and is completely blocked by the occluding body. It’s a Latin term hope this helps man!
7 0
3 years ago
How is the life cycle of the jellyfish different from the sponge?​
Annette [7]
Sponges have specialized cells and an endoskeleton, but they lack tissues and body symmetry. ... They include jellyfish and corals, both of which have radial symmetry. All cnidarians have nematocysts, and many are bioluminescent. They may exist in medusa and/or polyp form.
3 0
3 years ago
What type of communication coordinates actions between neighboring cells?
bija089 [108]

Answer: A. Chemical signal

Explanation:

Chemical signal is the type of communication which coordinates actions between neighboring cells .

This ability originated in single cells organisms and was essential for the evolution of multicellular organisms because after a cell receives a message, it is transferred across the plasma  membrane and  changes  are brought about within the cell in response to this message.

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3 years ago
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