Which of the following is NOT an adaptation of plants to life on land?
A. vascular system (in most plants) to move water internally
B. waxy cuticle on leaves to prevent drying out
C. waxy cuticle on roots to prevent drying out
D. protection of the embryo from drying out
Answer: C
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An endocrine gland is
A. required for remodeling bone. B. the site at which hormones are produced and released into the blood. C. where neuronal signals are generated. D. restricted to the production of growth factors.
Many mammals supply energy to their young in the form of ________.
What will be an ideal response?
If a single strand of mature messenger RNA contains 12 coding nucleotides, the protein that it will manufacture will have ___________ amino acids.
A. one B. four C. six D. twelve
Which one of the following is NOT a characteristic of giardiasis?
a. It is caused by a flagellated protist. b. diarrhea is a notable sign c. transmission occurs by tick bites d. it is the most commonly detected intestinal protistan disease in the US