Which part of the immune system does not target specific microbial invaders?

A) antibodies B) innate response C) antigens D) specific defense


Answer: B

Biology & Microbiology

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If fertilization involves two gametes that contain different alleles of a given gene, the resulting offspring is  

A.  dihybrid. B.  haploid. C.  heterozygous. D.  homozygous. E.  polygenic.

Biology & Microbiology

Many ribosome-inactivating proteins are not toxic to humans because _____

a. we have enzymes to detoxify them b. they are very rare in nature c. they are sequestered by white blood cells d. they are rapidly metabolized e. they do not cross cell membranes very well

Biology & Microbiology

In gel electrophoresis, DNA is separated based on charge and ________

Fill in the blank(s) with correct word

Biology & Microbiology

Carbon and hydrogen have similar electronegativities and combine together to form hydrocarbon molecules. What type of bonds form between these atoms?

A. electrostatic B. hydrogen C. nonpolar covalent D. ionic E. polar covalent

Biology & Microbiology