Question 1 Bacteriophages consist of protein coats covering DNA. Bacteriophages

Question

Question 1
Bacteriophages consist of protein coats covering DNA. Bacteriophages infect a cell by injecting DNA into the host cell.

True
False
Question 2
All enzymes are proteins.

True
False
Question 3
In the conclusion phase of the scientific process, the scientist modifies or rejects the hypothesis and the cycle continues.

True
False
Question 4
The steps in the scientific process in order are hypothesis, observation, experimentation, conclusion.

True
False
Question 5
DNA is not capable of mutational change.

True
False
Question 6
In the observation phase of the scientific process, the scientist defines the problem to be explained.

True
False
Question 7
Swiss chemist Friedrich Miescher isolated DNA from fish sperm and the pus of open wounds.

True
False
Question 8
According to Watson and Crick, the triple helix model of DNA proposed by Linus Pauling was correct.

True
False
Question 9
Scientists found that some viruses have an RNA-dependent DNA polymerase that was named reverse transcriptase.

True
False
Question 10
Meselson and Stahl designed an experiment using E. coli bacteria to determine the method of DNA replication.

True
False

Explanation / Answer

1. False - Cystine, guanine, thymine and adenine 2. false 3.True 4.This question is not worded well sometimes by measuring 1 variable there are many other variables affected 5.False 6.True 7.True 8.True 9.False - found that mutations and such were not selective 10. true

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