Term
What process do animals and plants use to exchange gases? |
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Definition
plants use photosynthesis and cell respiration and animals only use cell respiration |
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Term
What molecule in the air causes a lower rate of photosynthesis? |
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Definition
decrease in carbon dioxide |
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Term
What does a drop in temperature do to cellular respiration and photosynthesis? |
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Definition
decreases the rate of both |
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Term
Write the chemical equation for cellular respiration? |
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Definition
O2 + C6H12O6 -> H2O + CO2 + energy |
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Term
what are small cells able to do better than large cells |
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Definition
transport materials in and out of the cell |
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Term
Where do homologous pair of chromosomes come from? |
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Definition
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Term
How are parent and daughter cells alike after mitosis |
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Definition
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Term
What would be the cause of cancer of a 33 year old man that smoked for twenty years? |
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Definition
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Term
What is in nucleotide of DNA? |
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Definition
sugar, phosphate and nitrogen base |
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Term
What can you determine from a genetic test that showed 47 chromosomes with X and Y sex chromosomes? |
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Definition
boy with an extra chromosome |
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Term
What does binary fission result in? |
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Definition
genetically identical offspring |
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Term
What are enzymes examples of? |
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Definition
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Term
What type of reproduction allows for variation in the offspring? |
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Definition
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Term
What is the exchange of segments of DNA between chromatids in meiosis called and what does it do? |
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Definition
crossing over and creates genetic diversity |
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Term
If a DNA strand of a mouse is 20.1% base A, what percentage would be base T |
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Definition
20.1% because A's pair with T's |
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Term
What is the structure of DNA |
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Definition
DNA is double stranded, held in the nucleus, composed of 2 strands of nucleotides joined by hydrogen bonds |
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Term
What is the initial change caused by a DNA mutation? |
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Definition
change in nucleotide sequence |
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Term
type of reproduction that allows organisms to increase in number rapidly |
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Definition
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Term
After fertilization what type of cell division is used to increase the number of cells? |
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Definition
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Term
The exchange of segments of DNA between chromatids in meiosis, to form gametes |
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Definition
is called crossing over and a source of variation |
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Term
If two gametes have 20 chromosomes, how many chromosomes would be in a zygote? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
4 haploid cells (gametes) |
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Definition
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Term
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Definition
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Term
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Definition
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Term
Cells are small in order to do what? |
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Definition
move substances in and out the the cell easier |
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Term
Write the sequence of the cell cycle: |
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Definition
Interphase- Mitosis - Cytokenisis |
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Term
What are the sex chromosomes of a female? |
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Definition
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Term
What is produced from MEiosis |
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Definition
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Term
Write the complementary strand to A-T-G-A-T |
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Definition
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Term
What is the result of DNA replication? |
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Definition
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Term
List three characteristics of living things: |
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Definition
genetic info, made of cells and grow and reproduce |
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Term
What is the primary purpose of cellular respiration? |
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Definition
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Term
What “group” does every experiment need in order to be designed properly? |
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Definition
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Term
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Definition
the variable that is controled in the experiment |
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Term
What would a scientist use and where would they look to see DNA replication in a cell? |
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Definition
using a microscope to look at the nucleus |
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Term
How is energy stored in cells? |
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Definition
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Term
What does water do for a cell? |
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Definition
hydrates, keeps it turgid and provides a soluble place for reactions |
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Term
Why is it important for cells to have a semi-permeable membrane? |
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Definition
to control what enters and leaves the cell |
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Term
What is Biology the study of? |
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Definition
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Term
What does a plant cell have that an animal cell does not? |
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Definition
a cell wall is in a plant cell |
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Term
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Definition
breaksdown and recycles materials |
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Term
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Definition
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Term
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Definition
captures sunlight and converts it to energy for the cell |
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Term
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Definition
stores water in a plant cell |
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Term
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Definition
controls what enters and leaves a cell |
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Term
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Definition
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Term
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Definition
transports materials through the cell |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
result of sexual reproduction |
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Term
Genetically identical offspring - |
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Definition
result of asexual reproduction |
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Term
Populations increase rapidly - |
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Definition
result of asexual reproduction |
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Term
Fusion of two separate parent cells |
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Definition
result of sexual reproduction |
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Term
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Definition
result of asexual reproduction |
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Term
What process in living cells involves the movement of water molecules across a cell membrane? |
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Definition
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Term
If a lily has 24 chromosomes, how many chromosomes would be in a gamete cell? |
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Definition
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Term
Which cellular process releases the most energy? |
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Definition
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Term
what do plant cells have that animal cells do not |
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Definition
cell wall and chloroplasts |
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Term
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Definition
the movement of water from high to low concentration |
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