Why does the cell perform endocytosis in addition to active and passive transport?
What will be an ideal response?
Endocytosis is required for the transport of proteins, microbes, extracellular fluid, and specific molecules that are all larger than the molecule size transported by active and passive transport.
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During acetyl-CoA synthesis, pyruvate is:
A. reduced. B. oxidized. C. phosphorylated. D. hydrogenated. E. carboxylated.
Antibiotics can destroy bacteria because they interfere with the production of ____________
in the bacterial cell.
a. cell walls b. DNA c. ribosomes d. More than one of these answers is correct
How do scientists use a phylogenetic tree?
a. To name and group species to construct an internationally shared classification system b. To determine an organism’s taxonomic level c. To show evolutionary pathways and relationships between organisms d. To show the amount of time between evolutionary changes in related species
Parental care in dinosaurs, crocodiles, and birds is an example of
A. homology caused by convergence. B. homoplasy caused by common descent. C. homoplasy caused by convergence. D. homoplasy caused by evolutionary reversal. E. homology caused by common descent.