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pickupchik [31]
2 years ago
13

What is the “fluid-filled sac” that cushions the embryo?

Biology
2 answers:
MAVERICK [17]2 years ago
5 0
The answer is A. Amniotic sac
babunello [35]2 years ago
4 0

Answer: The answer is A.

Explanation:

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loris [4]
Copper or natural metals wires and stuf
6 0
3 years ago
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Which of these organic molecules would provide the greatest amount of energy per gram of the substance
Elan Coil [88]
Lipids would be the answer that you are looking for. When talking food energy it's best to speak in terms of calories. Therefore, lipids or fats offer the greatest amount of heat or energy.
7 0
3 years ago
Think about the lab procedure you just read. Label each factor below V if it was variable during the procedure or C if it was co
Crazy boy [7]

Answer:

The factors which remained constant are as follows -

  1. material used as the membrane
  2. amount of substances used
  3. number of trials

The factors which have shown variation are as follows -

  1. molecule size (large starch molecules vs. small glucose molecules)
  2. whether the molecules diffused through the membrane (tubing)

Explanation

Some factors with in the experiments remained constant from the point of starting of the experiment to its end. While some factors were varied to study its impact on the experiment rate of progression or on the final product formed. Thus , out of the following given factors, the ones that remained constant are -

  1. material used as the membrane
  2. amount of substances used
  3. number of trials

The factors which have shown variation are as follows -

  1. molecule size (large starch molecules vs. small glucose molecules)
  2. whether the molecules diffused through the membrane (tubing)
8 0
3 years ago
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What would occur if cells did not have enzymes?
romanna [79]
If we dont have enzymes then we would become malnourished as our body wouldnt be able to absorb the nutrients. Enzymes work in digestion to break down the food we eat

8 0
3 years ago
What is the name of the principle that is based on greek and latin roots meaning "head-to-tail"?
telo118 [61]
The principle is called CEPHALOCAUDAL PRINCIPLE.
This principle proposed that growth follow a particular pattern in which the head and the upper part of the body grow first before the growth proceeds to other part of the body. 
6 0
3 years ago
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