Genetics/Evolution Part 4: DNA, Mitosis, and Meiosis Flashcards
Proteins are long strings or chains of:
Amino acids
Proteins are produced by a cell at the _________.
Ribosomes
Each human cell contains _____ pairs of chromosomes.
23
A nucleotide consists of ____ parts.
3
DNA stands for:
Deoxyribonucleic acid
In G1 phase, the cell:
Grows/Increases in size
In G2 phase, the cell:
Grows and prepares for mitosis
In S phase, the cell:
Replicates DNA
The parts of a nucleotide are:
Pentose sugar, phosphate, and nitrogenous base
Nucleotides can be classified into 2 families:
Pyrimidines and Purines
The sides of the DNA molecule are made up of:
Sugar and phosphate
The 4 nitrogenous bases found in DNA are:
Adenine, Guanine, Cytosine, and Thymine
Nucleotide sequences are read in triplets called ______.
Codons
Anything that causes a mutation is called a ________.
Mutagen
Alleles are long chains of _________.
Nucleotides