The most important molecule(s) in the world is(are)

A. water.
B. protein.
C. carbohydrates.
D. nucleic acids.


A

Biology & Microbiology

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Epigenetic inheritance may depend on all the following except:

A. the DNA sequence from a parent. B. inherited chemical modification of parental nucleotides. C. inherited nucleosome structure of chromosome. D. inherited chemical modification of parental proteins.

Biology & Microbiology

Which of the following individuals would be

considered a carrier of a sex-linked recessive defect? a. a man with the defect b. a woman with the defect c. a father of a son with the defect d. the normal daughter whose father had the defect e. a son of two unaffected parents

Biology & Microbiology

Penetrance specifically refers to the expression of lethal genes in heterozygotes

Indicate whether the statement is true or false

Biology & Microbiology

Bacteria isolated from Lake Natron, where the water pH is close to 10, are which of the following?

A. alkaliphiles B. facultative anaerobes C. neutrophiles D. obligate anaerobes

Biology & Microbiology