If meiosis did not occur in sexually reproducing organisms, then:a
growth of the zygote would be halted.
b. mitosis would be sufficient.
c. gametes would remain haploid.
d. chromosome number would double in each generation.
e. eggs would be haploid, but sperm would be di
D
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In a muscle contraction, which of the elements
are pulled together and overlap?
a. actin b. myosin c. ATP d. ADP e. the thick filaments
Where would the CFTR gene not be heavily
expressed? a. Lungs. b. Reproductive system. c. Intestines. d. Brain. e. Skin
Atoms that bear a positive or negative charge are known as:
A. ions
B. electrically neutral
C. magnetic
D. lacking nuclei
Gram-positive bacteria
a. have a thick cell wall, which retains crystal violet dye b. contain teichoic acids in their cell walls d. appear purple after Gram staining d. all of the above