What process enables a single gene to encode two or more polypeptides that are different in their amino acid sequence?

A. Reverse transcription
B. Self-splicing
C. Capping
D. Alternative splicing
E. Regulatory splicing


D. Alternative splicing

Biology & Microbiology

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The mammalian zona pellucida is structurally and functionally most similar to which one of the following structures in a sea urchin egg?

A) the cortical granules B) the jelly layer (coat) C) the vitelline envelope D) the plasma membrane

Biology & Microbiology

What key features of Bacillus anthracis makes the anthrax disease impossible to eradicate?

What will be an ideal response?

Biology & Microbiology

Batteries in your flashlight are examples of ____ energy

Fill in the blank with the appropriate word.

Biology & Microbiology

All of the following are characteristics of Campylobacter jejuni except

A. it produces an enterotoxin called CJT that stimulates diarrhea. B. it has gram negative curved rods with darting motility. C. it causes fever and a watery to bloody diarrhea. D. it is transmitted through ingestion of contaminated chicken, meat, milk, and water. E. it infects the stomach.

Biology & Microbiology