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Ch 7 Science Holt California part 1
N/A
12
Biology
7th Grade
12/10/2009

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Term
what is the name of the base that is switched in RNA from DNA (it replaces thymine)
Definition
uracil
Term
what are the four base names in the DNA ladder?
Definition
adenine, thymine, guanine, cytosine
Term
what base pairs up with thymine?
Definition
adenine
Term
tRNA
Definition
molecules that transfer RNA deliver amino acids form the cytoplasm to the ribosome
Term
what base pairs up with guanine?
Definition
cytosine
Term
what type of mutation is harmful?
Definition
one that makes an animal a brighter color
Term
ribosome
Definition
a cell organelle composed of RNA and protein, the site of protein synthesis
Term
mutation
Definition
a change in the nucleotide-base sequence of a gene or DNA molecule
Term
Nucleotide
Definition
in a nucleic-acid chain, a subunit that consists of sugar, a phosphate, and a nitrogenous base
Term
DNA
Definition
deoxyribonucleic acid, a molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live
Term
RNA
Definition
ribonucleic acid, a molecule that is present in all living cells and plays a role in protein production
Term
mRNA
Definition
messenger RNA, a mirror like copy of a DNA segment
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