In terms of carbohydrate production, which would be most devastating to a plant?
A. a bacterial infection of the tubers
B. leaf-cutting ants
C. fruit bats
D. physical damage to the stem
B
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Generally, the energy for pumping protons outside of a plant cell comes most directly from ____
a. sunlight b. starch c. ATP d. diffusion e. glucose
Which of the following are NOT part of an
embryo or its related structures?
a. embryonic disk b. amniotic sac c. chorion d. endometrium e. more than one of these are NOT a part of an embryo or its related structures
Xylem
a. involves mainly the shoot system. b. includes lignin-reinforced cell walls. c. involves the roots. d. involve stomata. e. includes pipelines that conduct water from soil to leaves.
An individual with (naturally) curly hair and an individual with (naturally) straight hair mate; all of their offspring have (naturally) wavy hair. What is the relationship between the alleles for hair texture?
A. incomplete dominance B. wavy hair dominant to both straight and curly hair C. pleiotropy D. codominance