DNA Structure
What kind of bond is between two bases?
Hydrogen Bond
True or False. Uracil is used in DNA replication.
False
What do you call a mass of cells?
cancer, tumor
What are the letters that are associated with mitosis
PMAT
What is the longest stage in the cell cycle?
interphase
What moves in osmosis? The water or the molecules?
water
What part of DNA carries the "code" for traits?
Nitrogen Bases (A,T,G,C) (Adenine, Thymine, Guanine, Cytosine)
This enzyme is responsible for unzipping the parent DNA strand.
helicase
What is the process called when cells "self-destruct"
apoptosis
in what phase of mitosis do spindle fibers disappear?
Telophase
In what phase does the cell actually separate?
M-phase, mitosis
(Cytokinesis)
Osmosis is a form of passive transport which means it moves from a _________ to ________ concentration.
high to low
Given the components: Adenine, Thymine, Phosphate, Sugar. What would the order of the molecules go for a strand of DNA? (Hint: some of the letters are used more than once)
Phosphate, Sugar, Adenine, Thymine, Sugar, Phosphate
How many times is DNA polymerase used in DNA replication?
2
in what phase does the cell actually begin to separate?
M-phase, mitosis
In what phase of mitosis do spindle fibers pull apart the chromesomes to opposite poles?
Anaphase
What is duplicated in the S Phase?
DNA
Photosynthesis uses _________ energy to make its own food.
solar/thermal
True or False, the placement of sugar and phosphate in a DNA molecule are movable.
False. Those two molecules are set; however, the bases (adenine, thymine, guanine, and cytosine) can change. That is why we do not all exhibit the same traits.
When DNA polymerase is 'reading' a DNA strand, in which direction does it read it?
- 5'-3'
-3'-5'
5'-3'
What is a mutagen?
Environmental factors that can alter the base sequence in DNA.
What happens in cytokinesis?
The cell membrane actually splits
What is the order of the stages (including those in mitosis)?
G1, S, G2, P, M, A, T, C
Cellular Respiration uses __________ energy.
chemical
What is the name or the 5-carbon sugar used in DNA.
(Hint: it is in the name of DNA)
Deoxyribose Sugar
What enzyme stops the DNA from supercoiling?
topoisomerase
If there were a cancer drug that's job is to stop the cancer cell from separating, at what phase would the cancer drug inhibit the growth?
G1, S, G2 or M
M Phase
What does PMAT+C stand for?
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis
What happens in the G0 phase?
The cell will no longer replicate.
Draw the Photosynthesis vs. Cellular Respiration Cycle and include the following components.
C6H12O6, H2O, O2, CO2, ATP
H2O+CO2+ATP ATP+CO2+C6H12+O6
Cellular Respiration