Random Bio Facts Test!
- Created by: Polly
- Created on: 30-04-15 18:42
Other questions in this quiz
2. Describe the achromosome of a sperm.
- Membranous sac containing enzymes that destroy outer egg surface.
- Contains mitochondria providing energy for sperm movements.
- Replacement for sperms nucleus- single chromosome, coding for DNA.
- Made of protein filaments which break through outer egg surface.
3. What effect does a mutation have on an enzyme?
- Denatures it, meaning its activation energy greatly increases.
- Causes cancer.
- Changes it's shape, changing the time taken to reach it's activation energy.
- Changes it's active site, meaning the substrate no longer fits.
4. How does nervous communication travel around the body and why is it different to endocrine?
- Nervous communication is nerve impulses, and it is the same as endocrine.
- Nervous communication is nerve impulses, endocrine is hormones in the blood stream.
- Nervous communication in through the bloodstream, and endocrine is muscle tensions.
- Nervous communication is hormones in the blood stream, endocrine is nerve impulses.
5. Describe the neck of a sperm.
- Contains mitochondria providing energy for sperm movements.
- Main site of respiration, allowing the sperm to swim.
- Contains protein filaments providing energy for sperm.
- Contains nucleus of sperm.
Similar Biology resources:
Teacher recommended
Comments
No comments have yet been made