Which type of amino acids cannot be synthesized by the body?
What will be an ideal response?
essential
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Synthesis of complex molecules from simpler ones with the input of energy is called ________.
A. catabolism B. anabolism C. amphibolism D. metabolism
Which of the following is correct regarding the blending hypothesis of inheritance?
A. It suggested that hereditary traits blended from one generation to the next B. It was possible for the blending to change the trait from one generation to the next C. It was supported by early research by Joseph Kölreuter D. It was the prevailing hypothesis of inheritance prior to Mendel E. All of the answers are correct
In mitosis, the main difference between plant and animal cells is that
A. plants do not undergo cytokinesis. B. plants produce a cell plate to segregate the daughter nuclei, while animals form a cleavage furrow. C. plants have a central vacuole, while animal cells do not. D. plants produce a cell membrane in cytokinesis, while animals form a cell plate. E. in plants, kinetochore microtubules shorten and draw chromosomes toward the poles; in animals, polar microtubules lengthen to push chromatids apart.
The embryo is designated a fetus by which week of pregnancy?
a. eighth b. twelfth c. sixteenth d. twentieth e. twenty-fourth