Knowledge Check: Chapters 2 & 3

• Question 1

1 out of 1 points

	Which type of bond exists between two amino acids in a protein?​
	Selected Answer: ​ Correct Answer: ​

• Question 2

1 out of 1 points

	Which is an organic molecule?​
	Selected Answer: Correct Answer:

• Question 3

1 out of 1 points

	How does cell volume affect nutrient exchange between the cell and its external environment?
	Selected Answer: Correct Answer:

• Question 4

1 out of 1 points

	​A molecular analysis of plasma or nuclear membranes would reveal the presence of _____.
	Selected Answer: Correct Answer:

• Question 5

1 out of 1 points

	​A protein is synthesized on a ribosome within the rough endoplasmic reticulum. If the protein needs to be modified and packaged before export from the cell, to which structure is it sent?
	Selected Answer: Correct Answer:

• Question 6

1 out of 1 points

	The double membrane of mitochondria contains the ATP-making machinery; therefore, this is where ____ would be found.
	Selected Answer: Correct Answer:

• Question 7

1 out of 1 points

	____ is the tendency of water molecules to stay attached to one another.​
	Selected Answer: Correct Answer:

• Question 8

1 out of 1 points

	The ____ is responsible for making the lipids that form the cell’s membranes.
	Selected Answer: Correct Answer:

• Question 9

1 out of 1 points

	​Transport proteins _____.
	Selected Answer: Correct Answer:

• Question 10

1 out of 1 points

	Water molecules are attracted to one another because the ____.
	Selected Answer: Correct Answer:

• Question 11

1 out of 1 points

	Carbon has an atomic number of 6. Carbon 14 has _____.
	Selected Answer: Correct Answer:

• Question 12

1 out of 1 points

	The atomic number is determined by the number of ____.​
	Selected Answer: Correct Answer: