#Question id: 3394
#Unit 11. Evolution and Behavior
All genetic drift arises from sampling error. There are several different ways in which sampling error can arise as a following
a. Reduced population size b. Founder effect
c. Genetic bottleneck d. Differ in sex ratio
Which of the following above way cause sampling error in succeed generation?
#Question id: 1757
#Unit 4. Cell Communication and Cell Signaling
What is the first event following the production of CH germline transcripts by immunoglobulin genes?
#Question id: 5664
#Unit 5. Developmental Biology
Following statements are regarding to gamete fusion and the prevention of polyspermy in mammals.
A. In mammals, it is not the tip of the sperm head that makes contact with the egg but the side of the sperm head.
B. The junction between the inner acrosomal membrane and the sperm cell membrane is called the acrosomal region, and this is where membrane fusion between sperm and egg begins.
C. Sperm-egg fusion appears to involve several proteins, two of which are Izumo, in the oocyte membrane, and Juno, in the acrosomal membrane.
D. These fusion proteins bind together and appear to recruit other proteins to make an adhesion and fusion complex.
Which of the following statements are correct?
#Question id: 80
#Unit 1. Molecules and their Interaction Relevant to Biology
Examine the Fischer projection below. How is this carbohydrate classified
#Question id: 34116
#Unit 2. Cellular Organization