A cell's DNA molecules contain its genetic material. The DNA molecule can be altered
a. by chance mismatching of base pairs.
b. by damage from exposure to radioactivity.
c. if the host cell is intelligent and determines that an alteration would help the cell survive.
d. by chance mismatching of base pairs, by damage from exposure to radioactivity, and if the host cell is intelligent and determines that an alteration would help the cell survive.
e. by chance mismatching of base pairs and by damage from exposure to radioactivity.
e
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Family, twin, and adoption studies have revealed a(n) _____________________ component to mental illnesses, such as bipolar disorder
Fill in the blank(s) with correct word
Based on its function in detoxifying drugs, you would expect to find a large amount of smooth ER in ________ cells
A) brain B) liver C) intestinal D) muscle
Answer the following questions true (T) or false (F)
1. Normal microbiota may cause disease if conditions change in the body. 2. A syndrome is a group of symptoms and signs that collectively characterize a particular disease. 3. All diseases go through the stages known as incubation period, prodromal period, and illness.
What is unusual about soy protein as opposed to other plant protein sources?
A) Soy protein has more energy per gram than lipids. B) Soy protein has the same saturated fat levels as animal fat. C) Soy protein has only one-tenth the energy per gram of other proteins. D) Soy protein has all essential amino acids in the proper proportions.