Cactus leaves are modified as trichomes

Indicate whether the statement is true or false.


ANS: F, spines

Biology & Microbiology

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What causes antigenic variation?

A. gene mutation B. differential gene expression C. genetic rearrangement D. All of the answer options are correct.

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Spina bifida is one of the most common and most complex birth defects involving the ____ system

a. nervous b. circulatory c. respiratory d. digestive e. endocrine

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What is the proper way to write a species name?

a. Pantera b. Pantera Leo c. Pantera leo d. pantera Leo e. pantera leo

Biology & Microbiology

Brain cortices are important for the execution of a particular task within a specific lobe (i.e. the primary motor cortex initiates movement within the frontal lobe). However, brain areas are necessary for integrating information from different lobes. Which brain area is most responsible for the organization of movement before it is initiated?

a. Premotor area b. Supplementary motor area c. Sensory association area d. Primary somatosensory cortex

Biology & Microbiology