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Contact [7]
2 years ago
15

Neither end of Earth’s axis is tilted toward or away from the sun.

Biology
1 answer:
kotykmax [81]2 years ago
3 0
Toward the sun because it faces us and that is how we get heat and live
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Which of the following is true
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A) species diversity tends to increase as a result of ecological succession.

Explanation:

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2 years ago
Under what circumstances should de-extinction be legal for scientists to attempt?
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Explanation:

in the circumstances in which the attempts do not contravene the ethical and judicial laws.

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Cardiac muscle does not exhibit tetanus beacuse it has A. exclusively aerobic respiration. B. fast Ca2 channels. C. a long absol
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C, a long absolute refractory period.

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Tetanus is not possible in cardiac muscle tissue because cardiac cells have longer action potentials and a very long refractory period compared to other cells. This helps prevent the heart from cramping and seizing up.

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2 years ago
What is the name of ashton kutcher's character like in that 70s show?
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7 0
3 years ago
Read 2 more answers
The highlighted structure separates the oocyte from the externally located ________. zona pellucida primary follicle corona radi
Naya [18.7K]

Answer:

Granulosa cells                          

Explanation:

Foliculogenesis is a dynamic and complex process through which the follicle goes through many stages of development in a short period (approximately 60 days in humans and some chimpanzees).

The stages classification is based on morphological changes such as follicular size or diameter, the number of follicular cell layers, etcetera. These classifications might vary among authors but could be denominated as:

  • Primordial follicle
  • Primary follicle
  • Secondary follicle and
  • De Graaf follicles (This is the one shown in the image)

Through each stage, there are certain modifications in the oocyte, follicular cells, and connective tissue. As the oocyte grows, the follicular cells might reach a size twice or three times bigger than the ones of the primordial follicles. Their shape also changes and they adopt an aspect of stratified epithelium. Their cytoplasm gets a granulous aspect, after what these cells receive the name of <u><em>granulous cells</em></u>. The De Graaf follicle characterizes for having a space named follicular antro that displaces the oocyte to one of the sides.    

The oocyte at this point gets surrounded by <u>zona pellucida</u> and <u>corona radiata </u>.    

The follicular antro (The highlighted structure) separates the oocyte from the externally located <u>granulosa cells</u> or follicular cells.    

7 0
3 years ago
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