Process by which substances are moved into the cell from the environment; includes phagocytosis, pinocytosis, and receptor-mediated endocytosis.
What will be an ideal response?
endocytosis
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Commands from the brain and spinal cord are
relayed to muscles by a. interneurons. b. motor neurons. c. sensory neurons. d. neuroglial cells. e. all of these.
In plants, low water availability favors the allocation of energy to the roots
Indicate whether the statement is true or false
Which statement correctly describes human chromosomes after meiosis I?
A. The haploid number is 22. B. Human gametes end up with two of each type of 23 chromosomes. C. There are 46 chromosomes in each cell. D. Each of the 23 chromosomes contains two sister chromatids. E. Human gametes end up with one of each type of 22 chromosomes.
The type of bond which links the amino group of one amino acid to the carboxyl group of another amino acid is called a(n)
A) peptide bond. B) amino bond. C) glycosidic bond. D) phosphodiester bond. E) glycerol bond.