Insects must molt to grow. How many times do insects molt?
a. One time
b. 3-6 times
c. 8-10 times
d. At least ten times
Answer: b. 3-6 times
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If ATP breakdown (hydrolysis) is inhibited, which of the following types of movement across cell membranes is also inhibited?
A) Movement of oxygen into a cell B) Movement of water through aquaporins C) Passage of a solute against its concentration gradient D) Facilitated diffusion of a permeable substance
What makes an organism a prokaryote?
A) Prokaryotes lack membrane bound organelles. B) They have plasma membranes to protect them from their surrounding environment. C) They contain DNA and ribosomes within the cell. D) It's cellular components are found within cytoplasm.
Which of the following is a proteins?
a. antibodies b. glycogen c. wax
Sue brought her daughter Amy to the pediatrician complaining of a sore throat. The physician examines Amy and observes that her throat is bright red and there are white pus-filled nodules on her tonsils. Which of the following conclusions should be made?
A. She has a strep throat and should begin antibiotics. B. She should have a rapid strep test performed before a diagnosis is made. C. She should go home and rest because most sore throats are viral in origin. D. She should go home and come back in two days for a strep test since it may take that long to show up. E. She has a staphylococcal sore throat and should begin antibiotics immediately.