The way Earth moves about the sun is most like ________

A) a neutron and electron moving around a proton
B) an electron moving around the nucleus of an atom
C) a proton moving about an electron
D) a neutron moving about a proton


B

Biology & Microbiology

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Cell walls of most Archaea and bacteria contain peptidoglycan.

Answer the following statement true (T) or false (F)

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What separates the strands of DNA in the polymerase chain reaction (PCR) technique?

A. Centrifuge B. Heat C. Restriction enzymes D. Helicase

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Which of the following is NOT a chelicerate?

a. tick b. mosquito c. spider d. horseshoe crab e. scorpion

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____ is a lipid-derived hormone produced in response to the presence of insect pests

a. Cytokinin b. Abscisic acid

c. Jasmonic acid d. Gibberellin e. Auxin

Biology & Microbiology