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lbvjy [14]
3 years ago
12

In single-celled organisms, materials are stored primarily in

Biology
1 answer:
Schach [20]3 years ago
4 0

Answer:Vacuole

Explanation:Vacuoles basically do the functions of storage, ingestion, digestion, etc.

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Which description accurately describes the cell membrane?
Alex Ar [27]

Answer:

b. a semi-permeable double layer of phospholipids that have hydrophilic heads and hydrophobic tails

Explanation:

B is correct as the cell membrane is selectively semi-permeable. It is selectively semi-permeable because this quality allows it to control what can and can't enter the cell, and how it does so.

The cell membrane also has a phospholipid bi-layer comprised of a double layer of phospholipids which have hydrophilic head and hydrophobic tails. This is because the heads are made of phosphate and are polar and are therefore attracted to water (hydrophilic), while the tails are made of lipids (i.e. fats, oils) which do not mix with water and are therefore hydrophobic.

The properties of each phospholipid is also why they form the double layer structure, the hydrophilic heads naturally face outwards into the water and protect the hydrophobic tails on the inside.

Hope this helped!

4 0
3 years ago
HELP
Phoenix [80]

Answer:

c

Explanation:

c

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KengaRu [80]

Answer: They have streamlined bodies with poweful muscles

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2 years ago
If a portion of a DNA strand has the base sequence ACGACG, what will be the base sequence of the mRNA strand transcribed? A) TCG
choli [55]
Its D) UGCUGC because this sequence is the mrna if it was the dna sequence it'd be B but its definetly D
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3 years ago
Euglena use chloroplasts to make food through the photosynthesis process. <br> a. True<br> b. False
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True

Chloroplasts are organelles that are responsible for the photosynthetic functioning of an organism.Photosynthesis is the process by which an organism uses the photons to produce energy. These organisms uses the sun, together with the acquired resource of water and carbon dioxide to create sugar and process into energy. 
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