The race cares produce waste answer by
1. polluting the environment
2.by emitting waste that led to human health problems
The race cares generate waste which led to pollution of environment. The use of motor oil, brake fluid and leaded gasoline led to production of toxic chemicals These chemical have been shown to cause cancer, birth defect and kidney problems.
Explanation:
In the majority of cases, the extra copy of chromosome 21 comes from the mother in the egg.
In a small percentage (less than 5%) of cases, the extra copy of chromosome 21 comes from the father through the sperm.
In the remaining cases, the error occurs after fertilization, as the embryo grows.
Answer:
I think it's B but I'm not sure
Answer:
c. False
This statement is incorrect because the DNA of bacteria is circular without histones.
Explanation:
a. True
Some archaea have very specific lipids in their membrane. Differently of the bacterias that have usual lipids in their membranes.
b. True
Archaebacteria do not have peptidoglycans in their cell wall
d. True
Methanogenic archaeobacteria are those that use carbon dioxide and hydrogen to produce methane. They are found in the digestive system of ruminants, sewers and swamps.