Microfilaments are assembled from the protein ____

a. keratin
b. myosin
c. laminin
d. actin
e. tubulin


D

Biology & Microbiology

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For which of the following set of variables,a chi square test should be applied?

A. Either dependent or independent variable is a discrete variable. B. Discrete dependent variable and continuous independent variable C. Both dependent and independent variables are discrete variables. D. Discrete independent variable and continuous dependent variable.

Biology & Microbiology

Monkeys and humans share many of the same DNA sequences and have similar proteins, indicating that:

a. the two groups belong to the same species. b. the two groups share a relatively recent common ancestor. c. humans evolved from monkeys d. monkeys evolved from humans e. the two groups first appeared on Earth at about the same time.

Biology & Microbiology

A measurement of a microbe is reported as 1 × 10-6 m, also known as

A) centimeters (cm). B) millimeters (mm). C) micrometers (?m). D) nanometers (nm). E) yards.

Biology & Microbiology

A newly discovered unicellular microbe has a nucleus containing linear chromosomes and surrounded by a membrane. It has mitochondria, 80s ribosomes, and is covered by cilia. There is no cell wall external to the plasma membrane. This organism most likely would be a/an ________.

A. protozoan B. fungus C. algae D. bacterium E. archaeon

Biology & Microbiology