N-linked glycosylation at an Asn-X-Ser/Thr consensus sequence adds approximately _______ sugar(s) in a single step to the protein.
a. 1
b. 15
c. 30
d. 100
Ans: b. 15
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If a cell contains 84 sister chromatids at metaphase of mitosis, how many chromosomes will be present in each
nucleus in late telophase?
a. 168 b. 84 c. 42 d. 21 e. cannot be determined from the information given
Sponges have two true tissue layers
____________________ Indicate whether the statement is true or false.
A ____ is a tangled mass of hyphae
a. sporocarp b. sporangia c. zygospore d. mycelium e. coenocyte
Gorter and Grendel's classic experiment allowed them to observe that the erythrocyte plasma membrane contains _______ the surface area of the erythrocytes.
a. enough lipid to occupy a monolayer equal to b. enough lipid to occupy a monolayer equal to twice c. less lipid than would occupy a monolayer equal to d. enough lipid to occupy a monolayer equal to one-half