Which populations are at greatest risk for extinction?

A) very small ones
B) very large ones
C) ones with specific niches
D) ones with extensive habitat ranges


A

Biology & Microbiology

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During ________, a ribosome assembles a polypeptide whose amino acid sequence is specified by the nucleotide sequence in a molecule of mRNA.  

A.  transcription B.  translation C.  replication D.  posttranscriptional modification

Biology & Microbiology

Provide a possible explanation for the mechanism that occurs when coastal area freshwater aquifers are overdrawn, resulting in intrusion of salt water into the aquifer

What will be an ideal response?

Biology & Microbiology

Water is the least dense when it ________

A) freezes B) is just above freezing C) is at room temperature D) is just below boiling

Biology & Microbiology

The first material to enter the Krebs cycle is 

A. oxygen. B. glucose. C. acetyl-CoA. D. citric acid.

Biology & Microbiology