Helper T cells secrete
A) cytokines.
B) antibodies.
C) antigens.
D) immunoglobulins.
A) cytokines.
Biology & Microbiology
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Insulin is produced and released from the pineal gland
Indicate whether the statement is true or false.
Biology & Microbiology
Treating young plants with gibberellins is likely to cause them to ________
a. lose leaves b. close stomata c. slow their growth d. grow abnormally tall
Biology & Microbiology
Plants require sulfur as a nutrient because some important cell components have sulfur in their composition. Which of these biomolecules contain sulfur?
a. cellulose b. ATP c. methionine d. fructose
Biology & Microbiology
Which of the following hormones stimulates the release of a future egg cell by the ovaries?
A) luteinizing B) follicle-stimulating C) oxytocin D) prolactin
Biology & Microbiology