Silk is composed of a protein containing a large amount of

A) proline
B) disulfide bridges
C) alpha helix conformations
D) beta sheet conformation
E) quaternary structure


Ans: D) beta sheet conformation

Biology & Microbiology

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When comparing the genomes of prokaryotes verse eukaryotes, it can be accurately stated that  

A.  eukaryotic genomes are larger than prokaryotic genomes. B.  eukaryotic genomes are smaller than prokaryotic genomes. C.  the size of the organism determines the size of the genome. D.  larger and more complex organisms have more genes than smaller, less complex organisms.

Biology & Microbiology

Give an example of a hydroskeleton and explain how it provides the support necessary for movement

What will be an ideal response?

Biology & Microbiology

Which of the following is a waterborne pathogen that causes severe diarrhea?

A) Entamoeba histolytica B) Naegleria fowleri C) Campylobacter jejuni D) Toxoplasma gondii E) Gonyaulax species

Biology & Microbiology

A founder event changes allele frequencies because:

a. only a subset of genes in the original population are observed in the founder population. b. of random sampling of alleles from the original population. c. of the coalescent process. d. A and B. e. All of the above.

Biology & Microbiology