Answer the following questions true (T) or false (F)
1. Errors never occur in DNA replication because the DNA polymerases edit out mistakes.
2. Most point mutations have immediate, drastic effects on an organism.
3. The process by which genetic information in DNA is copied into RNA is called translation.
1. FALSE
2. FALSE
3. FALSE
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Synovial joints are held together by ____
a. muscle fibers b. sarcomeres c. tendons d. ligaments e. myofibrils
What substance in milk is broken down by Lactobacillus acidophilus?
a. Lactose b. Cellulose c. Glycogen d. Glucose e. Starch
The class of organic molecules defined by a physical property rather than a structure are the:
A. lipids B. carbohydrates C. proteins D. DNA E. RNA
At which one of the following checkpoints might the cell cycle be halted if all of the DNA has not yet been replicated?
A) G1 B) G2 C) M D) T E) S