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37 terms

DNA/RNA Protein synthesis

Becuase of the base pairing in DNA, the percentage of
pyrimidines in DNA is about equal to ther percentange of purines
During mitosis,
the nucleosomes become more tightly packed
Which of the following includes all the other?
DNA is copied through a process called
DNA replication results in 2 DNA molecules
each with one new strand and one old strand
During DNA replication, a DNA strand that has bases CTAGGT produces a strand with bases
RNA contains the sugar
Which of the following are found in both DNA and RNA
Phosphate groups, guanine, and cytosine
How many main types of RNA are there?
Which types of RNA are involved in protein synthisis
messenger RNA, ribosomal RNA, and transfer RNA
Which of the following are copied from DNA
mRNA, rRNA, and tRNA
What is produced during transcription?
RNA molecules
During transcription, and RNA molecule is formed in the
Which of the following statements is true?
Point mutations that involve the insertion or deletion of a nucleotide change the reading frame of the genetic message
how many nucleotides are needed to specify three amino acids?
Why is it possible for an amino acid to be specified by more than one kind of codon?
there are 64 kinds of codons but only 20 amino acids
What happens during the process of translation
the cells use information from messanger RNA to produce proteins
which of the following terms is LEAST closely related to the others?
during translation, the type of amino acid that is added to the growin polypeptide depends on the
codon on the mRNA and the anticodon on the tRNA to which the amino acid is attached
genese contain instructions for assembling
which type of RNA functions as a blueprint for the genetic code?
Which of the following statements is false/
The instructions for making some proteins are not specified by genes
A mutation involves one or a few nucleotides is called a
point mutation
which of the following is not a gene mutation?
which of the following is never a frameshift mutation?
which of the following statements is true?
DNA replication happens during the S phase of the cell cycle
The complimentary portion of tRNA that matches up with the codons on mRNA is called an
Sections of DNA that are not expressed into proteins are called
the subunits that make up DNA are called
Avery's experiment showed that bacteria was transformed by
What did Griffith observe when he injected a mixture of heat killed, disease causing bacteria and live harmless bacteria into the mice?
the mice developed pnemonia
What would hershey and chase have concluded if both radioactive 32 P and 35 S were found in the bacteria of their experiment?
Both of the viruses protein coat and its DNA were injected into the bacteria
Labeled X in the picture
A, B, and C are all types of
During transcription, the _________between base pairs are broken
hydrogen bonds
the order of nitrogenous bases in DNA determines the order of _________in proteins
amino acids
the ______of a tRNA molecule determines the type of amino acid that bonds witht the tRNA