Biology, 01.07.2019 19:40 ewalchloe5067920
Which cellular structure makes it possible for a cell to differ structurally and biochemically from its surroundings? nucleus plasma membrane nucleolus cell wall endoplasmic reticulum?
Answers: 1
Biology, 22.06.2019 12:40, sheilashair
Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.
Answers: 1
Biology, 22.06.2019 13:10, mroueh21
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
Answers: 2
Biology, 22.06.2019 13:30, laylay1734
How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
Answers: 3
Which cellular structure makes it possible for a cell to differ structurally and biochemically from...
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