Why do we need to eat?
What will be an ideal response?
Ans: Molecules in food contain chemical energy that cells use to produce ATP. Food also supplies raw materials your body needs to build & repair tissues.
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Which of these compares the protein-encoding DNA sequences of the genomes of the members of a family?
A) Punnett square B) Dihybrid cross C) Family exome analysis D) Pedigree analysis
48. If, according to one hypothesis, Najash evolved from terrestrial, burrowing snakes, which of the following best reflects the adaptive or selective benefit for other snakes to have lost their pelvis and hindlimbs?
A. In situations of flooded burrows and land surface, the snakes could swim better without hindlimbs and pelvis. B. Grasping prey would have been easier and more efficient without the hindlimbs and pelvis. C. Chasing prey through tunnels and burrows could be easier without the function and obstruction of hindlimbs and pelvis. D. Chasing prey would have been easier, because the snakes would be much faster without hindlimbs and pelvis. E. Burrowing snakes would be better able to dig their burrows without the hindlimbs and pelvis.
Which of the following events occur(s) during the
follicular phase of the menstrual cycle? a. An ovarian follicle enlarges. b. A zona pellucida forms around the oocyte. c. An oocyte completes meiosis I. d. Estrogen levels increase. e. All of these occur.
In the early years of microbiology, microorganisms were referred to as ________
cooties animalcules zygotes prokaryotes