Which term refers to an individual with extra or missing copies of some of their chromosomes?

a. haploid
b. aneuploid
c. polyploid
d. euploid


Ans: b. aneuploid

Biology & Microbiology

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Both mitochondria and chloroplasts are

thought to have evolved by the process of

a. endosymbiosis. b. sexual selection. c. allopatric speciation. d. sympatric speciation. e. more than one of these.

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Which of the following are true statements about the carbon cycle? Check all that apply.  

_____  Carbon and nitrogen fixation are both facilitated by microbes. _____  Burning of gasoline is a contributor to the current imbalance in the carbon cycle. _____  Replacing rainforest with farms decreases atmospheric CO2 levels. _____  In water, inorganic carbon exists in two different forms, both of which can be used by autotrophs. _____  Carbon cycles locally.

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Francesco Redi designed an experiment to test the notion of spontaneous generation. He left the first jar of meat open to the air and covered the second jar. The first jar would be called the ________ jar

A) conclusive B) hypothetical C) control D) experimental

Biology & Microbiology

This drug is normally injected but can also be processed into forms that can be smoked or inhaled. It is a synthetic opiate that produces feelings of ecstasy

A) caffeine B) alcohol C) heroin D) marijuana

Biology & Microbiology