Regulation of integrin-mediated adhesion can regulate cell movement.

a. true
b. false


Ans: a. true

Biology & Microbiology

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A researcher uses a probe complementary to the gene of interest and performs a colony hybridization experiment on a plate containing many bacterial colonies. Each bacterial colony contains a recombinant vector with a different piece of chromosomal DNA. What can be learned from this experiment?

A. The researcher can determine the level of expression for each gene represented. B. The researcher can identify colonies that contain the gene of interest. C. The researcher can identify colonies that have not taken up a vector. D. The researcher can determine the amount of mRNA in a specific colony. E. The researcher can determine the amount of DNA in each of the colonies.

Biology & Microbiology

Explain how species that are not closely related can look or behave so similarly. Give an example

What will be an ideal response?

Biology & Microbiology

Which two cellular organelles in eukaryotes have both electron transport systems and chemiosmotic mechanisms?

a. Ribosomes and endoplasmic reticulum b. Chloroplasts and endoplasmic reticulum c. Chloroplasts and mitochondria d. Mitochondria and nuclei e. Nuclei and Golgi apparatus

Biology & Microbiology

The newly defined protist group SAR consists of __________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology