Cell Checkpoints
This cell checkpoint is the first one.
G1 checkpoint
What happens to chromosomes during anaphase?
They are pulled apart.
Which type of reproduction results in genetically identical offspring?
Asexual.
The longest step/phase of the cell cycle is...
Interphase
Which organelle holds the DNA in a cell?
Nucleus
This checkpoint ensures that chromosomes are lined up in the middle of the cell before separating them into chromatids.
Metaphase checkpoint.
Name the steps of mitosis in order.
PMAT
What is the difference between sexual and asexual reproduction?
Asexual requires one parent and makes clones, and sexual requires two parents and makes unique offspring.
DNA is replicated during this step of the cell cycle.
S-phase/Synthesis phase
Which macromolecule allows for long term energy storage?
Lipid
What do checkpoints do in the cell cycle?
Ensure cells are healthy before allowing them to divide/preventing cancer.
Nuclear membrane dissolves, DNA condenses, spindles assemble.
What is fertilization?
A sperm and egg combine.
List the steps of interphase in order, starting from G0.
G0, G1, S-phase, G2
Only molecules that are ____________ and _________ can move through the cell membrane without help of a transport protein.
small, nonpolar
A cell has mutated DNA and is allowed to replicate, causing it to divide uncontrollably. Which word describes this?
Cancer
When a cell enters prophase, the chromosomes turn from ________________ (loose, uncondensed DNA) into _______________ (condensed DNA)
chromatids, chromosomes
Name one benefit of asexual reproduction.
What is the difference between mitosis and cytokinesis?
Mitosis divides the nucleus and cytokinesis divides the cell.
Which step of photosynthesis splits water in order to create energy carrying molecules?
Light dependent reactions/light reactions.
A cell does not properly copy its DNA during the S-phase of cell cycle. Which checkpoint will be the most likely to catch this mistake?
G2 checkpoint
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What type of organism, one that reproduces sexually or asexually, would survive better in a rapidly changing environment? DAILY DOUBLE if you can tell me WHY it would survive better.
Sexual; because the genetic uniqueness of the offspring raises the chances of it surviving in an unfamiliar environment.
Why is it important for interphase to be the longest step of the cell cycle?
Ensuring cells don't divide too much.
hydrophilic, likes water