<span>Microtubules form from dimers of Alpha and Beta subunits that polymerize into a hollow tube. Alpha and beta subunits refer to tubulin. There are things that can stop this from happening, and when one of these events occurs, de-polymerization is called "catastrophe".</span>
Answer: control plot
Explanation:
Control plot refers to the plot that couldn’t receive the experimental treatment such as fertilizer and or variable being tested while another plot receive fertilizer can give proper yield. It is just because, fertilizer is the main source or substance that provides chemical elements that may necessary for corn plant growth and its development. There are two main types of fertilizers such as organic and inorganic, among them organic fertilizer usually contains different nutrients that broken down by different microorganism and then used by such plants to grow effectively.
Is there supposed to be an image?
Answer:
Hey there the answer would be D. Keratin is the pigment responsable for skin color.
Explanation:
A. The top layer of the epidermus is made of dead skin cells. The inner player has to be constatnly making more cells
B.The body procudes more melanin with stronger sunlight exposure. This results because the UV of the sun causes T-T dimers which is a type of DNA damage.
C. UV causes genetic mutation which can result in cancer if not fixed by the cell
D.Keratin is found in the epidermis and with thick layer of skin found in the hands and feet. Melainin is responsible for skin color.
Cell membrane, Organells, flagella