Actin filaments are anchored at junctions called
a. adherens junctions.
b. tight junctions.
c. desmosomes.
d. gap junctions.
e. hemidesmosomes.
Answer: a. adherens junctions.
You might also like to view...
Answer the following statements true (T) or false (F)
1. Plants are unable to use nitrogen gas directly. 2. Nitrate reductase is an enzyme that changes nitrogen gas into nitrate. 3. When stomata are closed plants CANNOT absorb CO2, therefore photosynthesis is limited. 4. Nitrogen is especially important in plants for the formation of proteins. 5. Certain fungi help make available minerals such as nitrogen.
Which of the following describes most
accurately the expression "recombinant DNA"?
a. DNA molecule cloned from a given organism b. DNA molecule that contains genetic information from more than one organism c. DNA molecule that is moved from one tube to another in a laboratory d. DNA molecule isolated from a specific organism e. DNA molecule that has been used in a laboratory for experimental purposes
Dominant species tend to be more abundant than other species because they
A) prey upon or parasitize other species. B) outcompete other species. C) are preyed upon less than other species. D) reproduce more rapidly than other species.
The most important checkpoint in the regulation of cell reproduction is during the ________ phase of interphase
Fill in the blank(s) with correct word