RNA transcription takes place in the

A) mitochondria
B) cytoplasm
C) endoplasmic reticulum
D) nucleus


Ans: D) nucleus

Biology & Microbiology

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________ resist tensile forces and contain keratin to form the protective barrier of the skin.

A) Intermediate filaments B) Microtubules C) Microfilaments D) Actin filaments E) Keratin-associated filaments

Biology & Microbiology

A zygote is a(n) ____

a. diploid cell b. haploid cell c. gamete d. female gonad e. male gonad

Biology & Microbiology

What level of biological classification is less inclusive than class?

a. domain b. phylum c. kingdom d. order e. division

Biology & Microbiology

The deamination of cytosine generates a uracil base. This is a naturally occurring nucleic acid base, and so does not represent a DNA lesion caused by damage due to chemicals or irradiation

Why is this base recognized as "foreign" and why is it important for cells to have a mechanism to recognize and remove uracil when it is found in the DNA duplex?

Biology & Microbiology