Answer:
The answer would be A, only chloroplasts and vacuoles are found in plant cells. :)
Answer:
true
Explanation:
Cerebrospinal fluids is a colorless fluid that is secreted in the choroid plexus,and circulates in the ventricles system and sub -aranchinoid space of the brain and spinal cord. its provides nutrients to the surrounding neurons, cushions the effects of trauma, pressure, acts as buffer and provides protection through immune system .
it plays a vital role in regulating blood flow, through a process called cerebral auto regulation,This is needed to maintain efficient cerebral blood flow of oxygen and other metabolites, and withdraw of metabolic wastes from the brain.
in order to analyze it to diagnose some neurological diseases its sample is usually taken out in a process called lumbar puncture.
Answer:
the Archaea, the Bacteria, and the Eukarya.
Explanation:
Answer:It causes random changes and the allele frequency of certain traits may increase or decrease.
Explanation:
Hope I am right
