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Question: Determine which of the following can contribute to stabilization of the secondary structure of a protein? (Select ALL that are TRUE. To receive credit, your must have ALL correct answers selected, and NO incorrect answers selected.)
a) hydrogen bonds between nitrogenous bases
b) hydrogen bonds between groups present in the side chains (R groups) of the amino acids
c) hydrogen bonds
d) ionic bonds (electrostatic interactions)
e) hydrophobic forces
usually for physical education disciplines, students are required to give presentation regarding a single protein that is related to sports or diseases.
Cross a wildtype female with a yellow bodied male to generate an f1 offspring generation. Which allele is domonant and which is recessive. Justify your responce using your results.
If relatively small carbonaceous chondrites from space were a significant source of Earth's original amino acids, then which two of these would have been most important in permitting their organic materials to survive impact with Earth.
Perform visual comparison of the assigned two putatively related nucleic acid sequences x and y. Indicate in your answer the identities by 1s on match and 0s on mismatches. Also indicate mutations by the scoring indices S for transition and V for ..
It is frequently when the environment changes in some way that is unfavourable to an existing population that the organisms begin to reproduce sexually. Explain the importance of this switch from asexual to sexual reproduction.
What genotypic frequencies are expected at birth in the next generation. How much change has there been in the frequency of the B allele.
give difference between the free energy change for a reation and the standard free energy change (delta-G°') for the reaction.
define Why do we use 16s rDNA for sequencing
Most biologists believe that immune system's defense against infections largely rests on its ability to distinguish self molecules from nonself molecules.
About 5 percent of individuals with Down syndrome have a chromosomal translocation in which a third copy of chromosome 21 is attached to chromosome 14. If this translocation occurred in a parent's gonad, how can it lead to Down syndrome in a child.
Provide an instance where this definition does not apply and in brief explain why this example does not apply to the species concept.
A previous study has shown that freckles gene is located at the locus marked F, and hair color gene is located at the locus marked H, both on the long chromosome.
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