Biology 100 UNLV (Dr. Jef Jaeger) Exam 2 Study Guide | Questions And Answers Latest
{2024- 2025} A+ Graded | 100% Verified
Define nucleotide - the repeated subunits of DNA molecules
what does nucleotide look like? -
name the nucleotides - adenine & thymine
Guanine & cytosine
where are nucleotides found? - DNA
define gene - a segment of DNA that determine a specific protein
DNA transcribes (codes) to what? - RNA
RNA has how many strands? - one strand
name what the DNA nucleotides that transcription to RNA nucleotides - Adenine --> Uracil
Thymine --> Adenine
Guanine --> Cytosine
Cytosine --> Guanine
Define codon - 3 letter code for RNA
How many amino acids are there? - 20 amino acids
define chromatin - long strands of DNA
, Define chromosome - Packaged DNA molecule.
How many chromosomes do humans have? - 46
define chromatid - 1 of 2 identical chromosomal strands.
what does chromosomes look like? -
what does a sister chromatid look like? - an X
Define centomere - the center of a chromosomes
Why do cells divide? - growth, repair, reproduction
define zygote - a single cells formed by union of sperm and egg
how many zygotes do adults have - trillions
define mitosis - division that results in identical cells
what are the two main phases of the cell cycle and division? - interphase
M-phase
define interphase - the active growth and function
what are the phases in M-phase - prophase, metaphase, anaphase, telophase, cytokinesis
what is prophase - chromosomes condense
{2024- 2025} A+ Graded | 100% Verified
Define nucleotide - the repeated subunits of DNA molecules
what does nucleotide look like? -
name the nucleotides - adenine & thymine
Guanine & cytosine
where are nucleotides found? - DNA
define gene - a segment of DNA that determine a specific protein
DNA transcribes (codes) to what? - RNA
RNA has how many strands? - one strand
name what the DNA nucleotides that transcription to RNA nucleotides - Adenine --> Uracil
Thymine --> Adenine
Guanine --> Cytosine
Cytosine --> Guanine
Define codon - 3 letter code for RNA
How many amino acids are there? - 20 amino acids
define chromatin - long strands of DNA
, Define chromosome - Packaged DNA molecule.
How many chromosomes do humans have? - 46
define chromatid - 1 of 2 identical chromosomal strands.
what does chromosomes look like? -
what does a sister chromatid look like? - an X
Define centomere - the center of a chromosomes
Why do cells divide? - growth, repair, reproduction
define zygote - a single cells formed by union of sperm and egg
how many zygotes do adults have - trillions
define mitosis - division that results in identical cells
what are the two main phases of the cell cycle and division? - interphase
M-phase
define interphase - the active growth and function
what are the phases in M-phase - prophase, metaphase, anaphase, telophase, cytokinesis
what is prophase - chromosomes condense
