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almond37 [142]
3 years ago
5

Why does the shape of the lighted part of the moon change when viewed from earth?

Biology
1 answer:
sp2606 [1]3 years ago
5 0
Because of the Earths rotation.
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Which species will most likely survive if earth temperature increase?
joja [24]

It's for sure not A because having thick fur will only make you hotter, and thus you will suffer a heat stroke. It's not C because small ears would not be long enough to provide you with cooling. That one does not make sense. It could be D, but the species would need to have alot of muscles in order to be consistently flapping there ears for the constant hear. Answer is B because it is the most logic, and the fewer amount of fur, the less hotter you will be, especially if your fur provides insulation.

Answer is B. Species B because fur would provide insulation.

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3 years ago
What is true about all neurons?
marin [14]

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im not suuuuureeeeeeeee but i think its a

8 0
2 years ago
In humans, which pair of homologous chromosomes does not look alike?
svlad2 [7]
The dominant and recessive pair, A
4 0
3 years ago
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Which one of these is involved in adaptive and humoral immunity?
SpyIntel [72]

Answer:

(d). B-cells.

Explanation:

Adaptive immunity can be described as immunity which develops in response to exposure to a pathogen (or foreign molecule). throughout the life. It is divided into two types, humoral immunity and cell-mediated immunity.

Humoral immunity is mediated by B cells that secrete antibodies against particular antigens. These antibodies recognize and neutralize the antigens and activate cell-mediated immunity, which is mediated by T cells.  

Thus, the correct answer is option (d).

4 0
3 years ago
What would happen to the concentrations of Pyruvate, NADH and intermembrane H+ if the ETC stopped working?
STatiana [176]

Answer:

"Proton decreases" would be the right approach.

Explanation:

  • The Kreb cycle or system plays a key role throughout a matrix of mitochondria. 3 NADH, 2 FADH2 as well as 1 ATP are synthesized.
  • Whenever the Kreb process has been halted, the acetyl CoA throughout the Kreb cycle has not been used. Pyruvate doesn't at all, disintegrate via acetyl CoA. Therefore in cells, pyruvate accumulates.
  • Unless the Kreb loop is halted, therefore the concentration of NADH and FADH2 declines.

Thus, they aren't used for the transportation chain of electrons. This is also why protons have not been discovered to be injected towards intermembrane space.

8 0
3 years ago
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