Consider an organism with a diploid number of 8 (2 pt, 0.50 each): a. how many chromosomes are present in a cell during g1 of interphase? b. how many sister chromatids are present in a cell during prophase? c. how many chromosomes are present during metaphase ii of meiosis? d. how many sister chromatids are present in each cell during metaphase ii of meiosis?
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Biology, 21.06.2019 14:30
Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided
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Biology, 21.06.2019 17:00
Microorganisms aren’t all decomposers; in fact, many act as producers or primary consumers in an ecosystem. how do microorganisms that act as producers benefit the rest of an ecosystem in terms of energy transfer? what about microorganisms that act as primary consumers?
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Biology, 21.06.2019 18:00
Dominance the dominant allele doesn’t fully mask or hide the recessive. for example, a red carnation with a white carnation will produce a carnation. one gene one trait. well most of the time than one gene controls a trait. we are all different but genetically speaking we are % similar with regards to genetic makeup.
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Biology, 22.06.2019 12:40
18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions
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Consider an organism with a diploid number of 8 (2 pt, 0.50 each): a. how many chromosomes are pres...
Mathematics, 26.03.2020 23:51
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Mathematics, 26.03.2020 23:53