Answer:
The correct answer is C) arachnoid mater.
Explanation:
Arachnoid mater, along with pia mater and dura mater, form the <u>meninges</u>, a very thick membrane that protects the brain and the spinal cord. The arachnoid mater is in the middle of the other two layers and it is very important since it holds the <u>cerebrospinal fluid (CSF)</u> in its interior. Arachnoid mater has finger-like projections that enter the dural venous sinuses and are called <u>arachnoid villi</u>. These villi are responsible for the diffusion of CSF into the blood.
When a plant is left in dark for several hours, it does not get sunlight. Isn't it?
When a plant does not get sunlight, it cannot prepare food for itself , i.e, photosynthesis does not take place. When it does not prepare food in the form of starch, it will test negative for it.
hope it helps!
You get 23 from each they contain the same genes but are slightly different. Hope this helps !!!!!!!!!!!
Answer:
A. DNA gives instructions on how to make keratin, the protein that makes up human hair and skin.
B. DNA contains information about the eye and fur color that is passed on from parents to kittens.
D. DNA helps create substances that fight the bacteria that enter the body.
Explanation:
Deoxyribonucleic (DNA) is the basic unit of living organisms which contains genetic information about living organisms. It also contains information about different proteins that make our body. DNA is also responsible for the production of antibodies which helps in the fighting against pathogens such as bacteria and viruses etc. In short, DNA is responsible for every thing that is present in the body of organisms.
A. biotic factors are living things around the organism
