Homo erectus has been shown to have dispersed from

A. South America.
B. Asia.
C. North America.
D. Africa.
E. Europe.


Answer: D

Biology & Microbiology

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Binge drinking can cause damage to the

a. liver and pancreas. b. stomach and brain. c. heart and kidneys. d. liver and heart. e. liver and kidneys.

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The splicing regulatory protein (SR) identifies exons to be included in mRNA. How might SR proteins regulate alternative splicing?

A) There are alternative binding regions for these proteins within each exon. B) There are alternative SR proteins in different tissues at different stages of development. C) The SR proteins lose the ability to bind to exon splice suppressors. D) The SR proteins recruit the splicing small RNAs (U1, U2,…) or unusual ones. E) The spliceosome complex can bind only to regions with bound SR proteins.

Biology & Microbiology

How long would the peptide be that is translated from this mRNA sequence: 5'- AUGGGCUACCGA -3'? Yes, that's correct!

a. 0 amino acids b. 2 amino acids c. 3 amino acids d. 4 amino acids

Biology & Microbiology

Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called

A. primary growth. B. herbaceous growth. C. mitotic growth. D. vascular cambium growth. E. secondary growth.

Biology & Microbiology