Answer:
In many plants, stomata remain open during the day and closed at night. Stomata are open during the day because this is when photosynthesis typically occurs. Hope this helps. : )
Explanation:
Four daughter cells from one single parent cell. Each daughter cell is haploid, because it has half the number of chromosomes as the original parent cell. Big brain science
i think it might be true because plants need soil and animals eat plants and humans eat animal and so on. so everything would relate back to the soil. so TRUE
Answer:
True
Explanation:
Point mutations arise when a single amino acid base is changed. This could cause some differences in the organism or it may not. Manufactured point mutations in model systems such as yeast offer a powerful tool to examine the function of different amino acids in a protein.
There are three types of point mutations
- Silent: these mutations have a single residue change but it does not affect the amino acid that is being coded. There is no change to the wild type
- Nonsense: will cause a stop or start or gain of start/stop codon.
- Mis-sense: will cause a change of amino acid residue. There are two types of mis-sense Conservative and non-conservative. The former will cause a change in amino acid base to one that has similar properties while the former will change to an amino acid of different properties often having different traits than the wild type.
Ultimately its function is to regulate the transport of specific molecular and ionic and or polar based substances across the membrane so that the cells can make use of these certain substances for its biochemical and biological processes. It also helps to maintain the shape of the cell and acts as a boundary to the cell from its external environment.
