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physiology final SI review

Authored by Cassidy Carda

Biology

University

Used 88+ times

physiology final SI review
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56 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following would be regarded as an organic molecule?

H2O

PO4-

NaOH

C2H3O2-

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a function of a plasma membrane protein?

Attachment between cytoskeleton and extracellular matrix

Ionic transport through the membrane

Cell to cell recognition

Oxygen transport

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is maintained at the highest concentration within cells?

Calcium

Potassium

Sodium

Magnesium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is TRUE regarding lipid bilayers?

Fatty acids can cross lipid bilayers

Phospholipids are connected to each other through covalent bonds

They are hydrophilic on only their extracellular surface

Cholesterol cannot cross lipid bilayers

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sugars have been removed from a protein. As a result, the diameter of the protein decreases 3 fold. What happens to the relative rate of diffusion of that protein?

Increases 3 fold

Increases 9 fold

Decreases 3 fold

Decreases 9 fold

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Active transport of a molecule across the plasma membrane is dependent on its..

Amount of charge

Number of polar groups

Availability of ATP

None of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Active transport across the plasma membrane would move calcium ___ the cytosol and facilitated diffusion would move potassium ___ the cytosol.

Into, into

into, out of

out of, into

Out of, out of

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