What is phagocytosis? What function does it serve?

What will be an ideal response?


Phagocytosis is cell eating, i.e., a phagocyte will extend projections of cytoplasm that “pull” in a solid particle or another cell. Phagocytosis is a means through which to bring particles, food typically, into the cell.

Biology & Microbiology

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Which purine base forms 3 hydrogen bonds when binding its complementary nucleotide base?

A. guanine B. cytosine C. thymine D. uracil E. adenine

Biology & Microbiology

The LEAST most parsimonious explanation for the existence of beaks in birds is that

a. they arose once in a common ancestor of beaked groups. b. they arose multiple times in different bird lineages. c. they are a product of convergent evolution among birds. d. they are not a genetically determined trait, and thus independent characters. e. they arose one time in one bird lineage

Biology & Microbiology

Refer to Figure 12-2. The correct designation for the DNA strand labeled C is:


a. the leading strand.
b. 3?.
c. Okazaki fragments.
d. polymerase.
e. a strand serving as a template.

Biology & Microbiology

Why are cells considered to be the smallest unit of life?

A. Because you need a microscope to see them B. Because a cell is the smallest thing that carries out all the functions of life C. Because they have an organized structure D. Because all cells have a nucleus with DNA

Biology & Microbiology