Biology, 07.07.2020 14:01 valenciadewalt25
Although all genetic diversity originates as a mutation there are two mechanisms that occur during meiosis that can recombine existing genetic diversity into many trillion of new combinations what are these two mechanisms a. organization of DNA around histone molecules b. variability in the arrangement of Acton and meiosis molecules in the meiotic spindle c. Random assortment of alleles during metaphase one of meiosis d. telomeric shortening after successive rounds of cellular division e. Crossing over between homologous sister chromatids
Answers: 2
Biology, 21.06.2019 20:50
Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection
Answers: 1
Biology, 22.06.2019 08:30
Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes
Answers: 3
Biology, 22.06.2019 09:00
The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer
Answers: 2
Biology, 22.06.2019 11:00
What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.
Answers: 2
Although all genetic diversity originates as a mutation there are two mechanisms that occur during m...
History, 23.10.2020 01:01
Mathematics, 23.10.2020 01:01
Mathematics, 23.10.2020 01:01
Spanish, 23.10.2020 01:01
Geography, 23.10.2020 01:01
Mathematics, 23.10.2020 01:01
Biology, 23.10.2020 01:01
Mathematics, 23.10.2020 01:01
Computers and Technology, 23.10.2020 01:01
Mathematics, 23.10.2020 01:01