CELL CYCLE
What is the result of one round of the cell cycle?
Two identical cells.
During which phase of mitosis do chromosomes line up at the equator of the cell?
What are the 4 nitrogenous bases that make up DNA?
Adenine, Thymine, Guanine, Cytosine
DNA is copied into two new strands of DNA during a process called?
DNA Replication
Which base is found in RNA but not DNA?
Uracil
Where is DNA located in the cell during interphase?
The nucleus
Cytokinesis happens during which stage of mitosis?
Telophase
What bonds hold the two sides of the DNA ladder together?
Hydrogen Bonds
What does semi-conservative mean?
*similar answers accepted* Half of the ladder is conserved or reused.
What are 3 bases of RNA called?
a Codon
What stage of the cell cycle do cells spend most of their time in?
Interphase
A cell with 40 chromosomes undergoes mitosis. How many daughter cells are produced and how many chromosomes are in each cell?
2 daughter cells, 40 chromosomes in each
What is the overall shape of DNA?
Double Helix
Write the complementary DNA strand for: ACTGCCCAG
TGACGGGTC
Write the RNA strand that pairs with the DNA sequence: TACTGCA
AUGACGU
What happens to the cell cycle of cancerous cells?
What structure forms during mitosis to move the chromosomes?
Spindle fibers
Each nucleotide of a DNA strand is made up of what?
a phosphate, a deoxyribose sugar and a nitrogen base
What stage of the cell cycle does DNA replication happen during?
Interphase
Ribose
List 3 functions of the cell cycle.
Repair damaged cells, reproduction, growth
*Group performance answer* What are the hand symbols associated with the phases of mitosis? List the phases and show the hand motions.
performance piece.
Describe the structure of a chromosome.
*Similar answers accepted* Two sister chromatids made up of DNA held together in the middle by a centromere
If guanine makes up 20% of DNA, what percentage does each other base(C,A,T)?
Cytosine=20%, Adenine=30%, Thymine=30%
What about RNA's structure makes it able to leave the nucleus while DNA cannot?
It's smaller because it is single-stranded. (must say single-stranded)