What makes a mineral element essential for plant growth?
A. It can only be found in organic fertilizers.
B. It is part of typical chemical fertilizers.
C. As its concentration increases, the plant grows more.
D. If it is missing, the plant cannot grow or reproduce normally.
E. It contributes to the solute potential of the plant.
Answer: D
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An adult cell that is reprogrammed to be pluripotent is called a(n):
A. embryonic stem cell. B. induced pluripotent stem cell. C. germ layer pluripotent stem cell. D. pluripotent stem cell. E. regenerative pluripotent stem cell.
Sieve tube members are part of the
a. ground tissue. b. phloem. c. dermal tissue. d. meristem. e. xylem.
A process in which a gene fragment is delivered to an individual's target chromosome and spread throughout a population, such as that used to prevent transmission of malaria through mosquitoes, is called a _________. a. gene drive b. gene translocation c. gene disk d. gene fragmentation e. gene library ?
What will be an ideal response?
Birds generate a lot of heat, especially during flight. Yet the adipose tissue under their skin and the feathers atop their skin make it difficult to eliminate excess heat across the skin
Which of the following alternatives can absorb body heat and eliminate it from the bird most effectively? A) air in the air sacs B) lymph in the lymphatic vessels C) blood in the vessels D) blood in the heart E) urine in the bladder