Which of the Following Is True About Clamp Loaders

question 10

Multiple Choice

Which of the following is true about clamp loaders?

• A) They are pentameric enzymes
• B) They serve to open up the sliding clamp and insert the DNA
• C) They are ATPases
• D) All of these

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Definitions:

Epiblast

A layer of cells derived during the early development of an embryo, giving rise to all three primary germ layers.

Fertilization

Process that begins with the penetration of the secondary oocyte by the spermatozoon and is completed with the fusion of the male and female pronuclei.

Implantation

The process by which a fertilized egg attaches to the lining of the uterus, beginning the stages of pregnancy.

Chorionic Villi

Finger-like projections from the chorion that extend into the uterine wall, facilitating nutrient exchange between mother and fetus.