6 questions were answered incorrectly.
1
Which statement about active transport is true?
It involves the use of DNA.
It involves smaller molecules only.
It does not require transport proteins.
It requires ATP molecules.
CONCEPT
Facilitated Diffusion
2
Which of the following statements about enzymes is true?
Enzymes are single-use proteins that must be regenerated after each
reaction.
Enzymes can only break down larger substances into smaller ones.
Enzymes are composed primarily of carbohydrates.
The function of an enzyme is to speed up chemical reactions that occur in
your body.
CONCEPT
Enzymes
3
Which of the following is a component of cell membranes and
includes a hydrophilic head, a glycerol backbone and two fatty acid
tails?
,
Nucleic acids
Fatty acids
Phospholipids
Triglycerides
CONCEPT
Plasma Membrane
4
What role do sensory receptors play in feedback loops to
maintain homeostasis?
Reverse the effects of stimuli
Respond to stimuli
Detect stimuli
Interpret stimuli
CONCEPT
Homeostasis
5
Amy wonders if it takes her longer to get home from work when it's raining.
Which of the following could be her observation?
"Based on many tests, I realize that it does indeed take me longer to get
home from work on rainy days."
"I propose that it takes me longer to get home from work when it's raining."