Eight of the 20 amino acids found in proteins are essential, and must be supplied by the diet. The globin protein of hemoglobin is roughly 10% valine, one the essential amino acids. If a person has no source of valine and an adequate supply of the other 19 amino acids, then the globin synthesis rate will be _____% of its expected level
a. 95
b. 90
c. 80
d. 10
e. 0
E; If even one amino acid is missing, the ribosomes will not be able to continue protein synthesis past the point when the message calls for this amino acid to be added to the peptide. Therefore not one single protein molecule can be completed.
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Look at Figure 45.17 in the textbook. What is the probability that the niece or nephew of the individual in the gray shaded box will have the A allele?
A. 0.25 B. 0.5 C. 0.75 D. 1.0 E. None of the answers options is correct.
This figures illustrates that territory size is positively correlated with
A) density. B) body size. C) feeding type. D) rainfall.
A student noticed that every time he smelled a certain perfume in the hallway, it reminded him of his mother. This is due largely to the activity of the limbic system
Indicate whether the statement is true or false
External infections can be treated by (intramuscular/surface/topical) administration, in which a drug is applied directly to the site of infection
What will be an ideal response?