What is the significance of the archenteron?
A. It will become the mesoderm
B. It will become the digestive tract
C. It initiates gastrulation
D. It will become the blastopore
Answer: B. It will become the digestive tract
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Which of the following would result in tetanus?
A. stimulating the muscle fiber so frequently that it cannot relax at all B. allowing a muscle fiber to relax for several seconds between twitches C. stimulating a muscle fiber to contract immediately after it has relaxed D. stimulating a muscle fiber to contract when it has partially relaxed E. Any of the other answer options would result in tetanus.
what is HSV-I?
What will be an ideal response?
If a man expresses an X-linked recessive trait, we can draw the following conclusion:A
His father carried the mutation. B. His father transmitted the trait to his son. C. His mother did not carry the mutation gene. D. His mother was heterozygous or homozygous for the trait. E. All his brothers will also show the trait.
All of the following are characteristics of modern amphibians except:
a. Ten pairs of cranial nerves b. Separate sexes c. Smooth moist skin d. Endothermic e. Bony skeleton