What is the main component of an animal cell membrane?
A. phospholipids
B. polynucleotides
C. aquaporins
D. glycolipids
E. cholesterol
A. phospholipids
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During which stage of bacterial growth (growth curve) the bacteria cells are most sensitive to antibiotic penicillin.
A. Log phase B. Lag phase C. Death phase D. Stationary phase
The correct flow chart for the release of sex
hormones is
a. hypothalamus ? posterior pituitary ? gonads b. hypothalamus ? anterior pituitary ? gonads c. anterior pituitary ? hypothalamus ? gonads d. posterior pituitary ? hypothalamus ? gonads e. none of these
A growing hypha experiences which of the following?
A. transport by vesicles of enzymes from the Golgi apparatus to the hyphal tip B. uptake of water by osmosis C. extension of the hyphal tip D. transport by vesicles of cell-wall materials E. all of the other choices provided
In what ways are we finding that the gut microbiota affects our health?
What will be an ideal response?