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algol [13]
3 years ago
13

Performance Task 4

Biology
1 answer:
miskamm [114]3 years ago
8 0
Okay nah pakik beta Ng pandiawa statwn. - Would be the correct answer.
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Scientific definition of hypothesis
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Answer: A scientific hypothesis is the initial building block in the scientific method. Many describe it as an "educated guess," based on prior knowledge and observation. While this is true, the definition can be expanded. A hypothesis also includes an explanation of why the guess may be correct

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4 years ago
Which macromolecule forms a double layer as the primary structure of cell membranes?
OlgaM077 [116]
Answer;
Phospholipid.

Phospholipid forms a double layer as the primary structure of cell membranes.

Explanation; 
Cell membranes contains of lipids (phospholipids and cholesterol), proteins and carbohydrates groups that are attached to some of the lipids and proteins. 
Phospholipids are composed of a polar head and non-polar (hydrophobic) tail. They line up such that the heads and the tail groups are side by side to form a single layer due to the interactions between the head groups and the tail groups. Two of these layers line up with the hydrophobic tail groups facing each other to prevent the hydrophobic groups away from the polar head groups of other phospholipids and from the water in the surrounding environment. 
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Explanation:

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Give two examples of how the endocrine system is important to the process of reproduction in humans?
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Three organism in the food web that are carnivores are hawk, snake, and frog

Hope this Helps
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