Answer:
Explanation:
Staining is done for onion cells to visualize the cytoplasm of yellow and white onions because they are not pigmented. The staining of human cheek cells with methylene blue is necessary to stain the nucleus to get clear image of it under microscope because methylene blue binds to negative charge nucleic acids
While for leaf epidermal cells smears, staining is not necessary as they are visible under light microscope without staining and they also have pigmented materials inside them such as chlorophyll chloroplast. The cork cell is a non-living and have a cell wall whose structure is visible under light microscope.
Answer:
metal control uses neurons which are in form of electrical impulses while in hormonal control, hormones are used and they are in the form of proteins. Neural control has a wide range of effect in the body while as for hormonal control, it only affects a specific area depending on the hormone secreted
Groups with strong fault lines are more <span>likely</span>
D.
A fixed allele is homozygous within a population so D should be the correct answer.
Hope this helps!
