Which of the following statements best describes the nucleus of a cell?
A. The nucleus has a membrane that allows for active transport of RNA and proteins.
B. The nucleus exports lysosomes which direct amino acid production within the cell.
C. The nucleus is responsible for supplying the cell with chemical energy in the form of ATP.
D. The nucleus contains some of the genetic material in a cell; the majority is contained in the cytoplasm.
Answers: 3
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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
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The cellular plasma membrane is selectively permeable, which means some materials move through it while others cannot. the movement of materials into and out of the cell is called membrane transport. this activity will you identify the different mechanisms of membrane transport
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Which term is applied to a scientist who studies ancient life, including animal and plant fossils? a- paleontologist b- geophysicist c- dendroclimatologist d - anthropologist
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Which of the following statements best describes the nucleus of a cell?
A. The nucleus has a membra...
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