What is the most abundant protein in the human body?
A. Polysaccharides
B. Elastin
C. Collagen
D. Amino acid
E. Triglycerides
Answer: C
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Answer the following statements true (T) or false (F)
1. If a researcher determines that 25% of a liver cell's total genome encodes genes for metabolic enzymes, then he/she should assume that metabolic enzymes make up 25% of the total protein composition of the cell. 2. Liver and muscle cells have different sets of genes. 3. A single pre-mRNA can be alternatively spliced into more than one type of mRNA. 4. If an acetyl group is added post-translationally to a protein, it can be subsequently removed.
Below is a pedigree of a human genetic disease in which solid color indicates affected individuals. Assume that the disease is caused by a gene that can have the alleles A or a. What is/are the possible genotype(s) of person 4?
A) AA
B) Aa
C) Either AA or Aa
D) aa
E) Cannot be determined
How does an enzyme lower the energy of activation needed for a chemical reaction?
What will be an ideal response?
The cellular structure that antibiotics typically target is the cell wall.
a. true b. false