Answer:
amoeba !
it should be if ur in grade 9
Explanation:
Answer:
7. 4
8. 2
9. 3
Explanation:
Just a guess, please double check :)
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Answer: Under these conditions, water osmosis causes water to accumulate in the cell from the external environment. The contractile vacuole acts as part of a protective mechanism that prevents the cell from absorbing too much water and possibly lysing (rupturing) through excessive internal pressure.
False, the Arctic National Wildlife Refuge can not provide us with nearly on hundred years worth of oil.
Answer:
The answer is double helix.
Explanation:
In its natural state, each DNA molecule is actually composed of two single strands held together along their length with hydrogen bonds between the bases. Watson and Crick proposed that the DNA is made up of two strands that are twisted around each other to form a right-handed helix, called a double helix.
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