Virus morphology does not include which of the following characteristics?

A. Shape
B. Presence or absence of an envelope
C. Size
D. Host range


Answer: D

Biology & Microbiology

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Whether lambda phage undergoes the lytic or lysogenic cycle is dependent on the accumulation of

A) Cro protein. B) viral genomes. C) cI protein. D) methylated DNA.

Biology & Microbiology

A gland that produces alkaline secretions that function to activate sperm and reduce the acidity of the female reproductive system. _____

A) Endometrium

B) Testis

C) Cervix

D) Uterus

E) Oviduct

F) Ovaries

G) Vagina

H) Seminal vesicle

I) Penis

J) Prostate gland

K) Vas deferens

L) Glans penis

Biology & Microbiology

What is aseptic technique and why is it important? What are some sources of contamination in the lab?

What will be an ideal response?

Biology & Microbiology

Which statement about human reproduction is correct?

A) Fertilization occurs in the uterus. B) In humans, spermatogenesis and oogenesis function best at normal, core body temperatures. C) A human oocyte completes meiosis after a sperm penetrates it. D) The earliest stages of spermatogenesis occur closest to the lumen of the seminiferous tubules.

Biology & Microbiology