A river carrying dirt into a lake
If someone pours salt water on a plant that is supposed to receive fresh water, the effects on the plant are swift and severe, beginning with the draining of existing water out of the plant cell.<span> Then, the cell membrane separates from the cell wall in a process known as plasmolysis. Ultimately, the plant shrivels up and no longer thrives</span>
These segments of DNA that contain the code for specific proteins are called genes.
Actual coding region of DNA are called exons.
Explanation:
A segment of DNA that codes for one distinct protein is called a gene. Each chromosome carries thousands of various genes. The genetic code of the DNA ever prevails protected inside the nucleus.
a gene is a stretch of DNA. Nucleotide consists of a sugar, phosphate and a base.. Genes are organized and packaged in units named “chromosomes.” Humans have 23 pairs of chromosomes.
Answer:
The answer is C. The birth rate is higher than the death rate.
We can see in the graph that in Africa the birth rate is very high, it is expected that by the year 2050 in Africa there will be 2 billion people, which is more than 1000% of the people living in Africa today. This means that more people are born than those who die.
nation:
Adjacent cells can signal others by direct contact, while nearby cells that are not touching can communicate by the release paracrine signals.
Hope this helps,
Davinia.
