DNA: Question Preview (ID: 22876)


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DNA is in the shape of a helix
a) True b) False c) d)
Adenine always pairs with guanine
a) True b) False c) d)
Hydrogen bonds hold nitrogenous base pairs together.
a) True b) False c) d)
The building block of DNA is the nucleotide which contains a deoxyriboses ugar, phosphate group, and a nitrogenous base
a) True b) False c) d)
What is a gene?
a) a characteristic of any organism b) a set of instructions in the DNA sequence of an organism c) a sex cell that aids in organism reproduction d) any single amino acid in a multicellular organism
Adenine, thymine, guanine, and cytosine are the _______ that make up the nucleotides of DNA
a) nitrogen bases b) nucleic acids c) phosphate groups d) 5-carbon sugars
The backbone of DNA is made up of what two molecules?
a) Nucleic acids and amino acids b) Nitrogen base and phosphate group c) Deoxyriboseand nitrogen base d) Deoxyriboseand phosphate group
The parts of DNA that provides the code for proteins are the
a) Sugars b) Phosphates c) Nitrogen bases d) Hydrogen bases
What is the brain of the cell
a) Mitochondria b) Ribosome c) Nucleus d) Chloroplast
A change in the chromosome structure caused by radiation, chemicals, pollutants or during replication is a/an-
a) Mutation b) Allele c) Gene d) Replication
The DNA strain that has a codon ATA would be complementary to which DNA codonbelow
a) UAU b) TAT c) UTU d) CAC
What is the main goal of transcription and translation
a) To replicate DNA b) To turn DNA into RNA c) To make proteins d) To create organelles
1 DNA molecule is made up of _____ stands of DNA
a) 1 b) 2 c) 3 d) 4
DNA Replication happens in the ________
a) Cell Membrane b) Nucleus c) Ribosome d) Mitochondria
Translation happens in the _____
a) Cell Membrane b) Nucleus c) Ribosome d) Mitochodria
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