Cyclins are proteins, (so they are not carbohydrates - we in any case reject option A) that regulate the cell cycle - that is the division of the cell. The correct answer is c! Specifically, they active cyclin- dependent kinase enzymes.
Examples of cyclins are cyclyn A and Cyclyn D
Answer:
Invasive species also have the potential to disrupt vital ecosystem functions, such as water flow, nutrient cycling, fire systems, or soil composition. An example of this is the Tamarix species. It not only uses large amounts of water, it changes the soil chemistry, making it more saline.
Explanation:
<span>A typical human karyotype has 23 types of chromosomes
arranged from largest to smallest. In males and females 22 of these chromosomes
look exactly the same and they are called autosomes. The 23rd pair of
chromosomes is the sex chromosome which differentiates males from females.
Females have 2 copies of the x chromosome. Males have a copy of both x and y
chromosome to make the 23rd pair. <span>
<span>Chromosomes can also have abnormalities that
result to different conditions and identifiable traits. A most common
chromosomal abnormality is the condition called Down Syndrome, where chromosome
21 has a third copy because of an abnormal cell division.</span></span></span>
Answer:
DNA replication
Explanation:
DNA is only replicated before Meiosis 1, not meiosis 2
If u are specificly talking about water in the air space of the leaf going out into the atm , than that's called simple diffusion .
