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Biology final
Question | Answer |
---|---|
What is the role of spindle fibers during mitosis? | Making daughter cells look identical |
If a cell has 24 chromosomes how many will each of its daughter cells have after mitosis? | 12 |
During which phase of the cell cycle does DNA replicate? | S-phase |
If a somatic cell has 48 chromosomes how many chromosomes will exist in each of its gametes? | 24 |
Which best describes what happens to the chromosome when typical male and female combine to produce offspring. | The sperm cell and the egg combine to produce a zygote. |
Compare and contrast sexual and asexual reproduction. | 1. Asexual is faster Sexual is slower 2. Asexual requires 1 parent. Sexual requires 2 3. Sexual cells creates through meiosis asexual creates through mitosis 4. More complex with asexual less complex with sexual |
How does fertilization restore the number of diploid chromosomes? | Restored the number of chromosomes to 46 |
What are the subunits of DNA and RNA? | Sugar-phosphate and nucleotide |
What is the complementary sequence of mRNA to: TAC-CCC-TTG | AUG-GGG-UUC |
What is the base pair rule for DNA? | ATGC |
What is the primary function of having insulin on our bodies? What what body system is this apart of? | Helping it take in glucose. Digestive |
When I get to much salt a signal tells my to drink water. What type of feedback is this? | Negative feedback |
When I pick up a flower I sneeze. What body system causes this reaction? | Immune system |
When I was planting I cut me finger. What type of feedback is this? | Negative feedback |
What happens to the rate of cellular respiration if CO2 increases? | Stays the same |
What are the Reactants of cellular respiration? | ATP- CO2-O2 |
What are all the products of photosynthesis? | Light-CO2-O2 |
What are 2 energy storing molecules? Give an example of each. | Carbohydrates-Grapes Lipids- Veggie oil |
What type of molecules combine to make up amylase? | Glucose |
Why kind of macromolecule is amylase? | Carbohydrates |