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27 terms

Biology I 4

STUDY
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DNA Polymerase
a group of enzymes
RNA
a chain of enzymes
mRNA
messenger RNA
tRNA
transfer RNA
rRNA
ribosomal RNA
RNA Polymerase
enzymes that bond nucleotides together
Translation
process that translates mRNA into a polypeptide
Codon
a three nucleotide sequence
Anti Codon
complementary to mRNA codon
Start Codon
signals the beginning of an amino acid chain
Stop Codon
signals the end of an amino acid chain
Cell Cycle
is the regular pattern of growth
Mitosis
is the division of the nucleus and its contents
Cytokenesis
is the process that divides the cells cytoplasm
Chromosome
one long, continuous strand of DNA
Histone
a protein that organizes chromosomes
Chromatid
the loose combination of DNA and proteins
Centromere
a region of the condensed chromosome that looks pinched
Binary Fission
is the asexual reproduction of a single-celled organism
Asexual Reproduction
the creation of offspring from a single parent
Gametes
sex cells
Sex Chromosomes
directly control the development of sexual characteristics
Diploid
a cell that has two copies of each chromosome
Haploid
a cell that has only one copy of each chromosome
Meiosis
form of nuclear division that divides diploids into haploids
Sperm
male gamete
Egg
female gamete