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
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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.
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
What is aseptic technique and why is it important? What are some sources of contamination in the lab?
What will be an ideal response?
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.