Answer:
__ It implies that prokaryotes existed before eukaryotes, and
__ It implies that eukaryotes evolved from prokaryotes.
Explanation:
The prefix pro- can mean "before". By using the term prokaryote one can tend to think that procaryotes preceded eukaryotes.
Preceed as existed before them, or as an evolutionary point of view.
Answer:2/4
Explanation:
Divide the total by the wrinkled
Viruses did not evolve first, they found. Instead, viruses and bacteria both descended from an ancient cellular life form.
<span>Out of the following given choices;</span>
a. the major excitatory
neurotransmitters in the CNS.
b. known to be solely inhibitory in the brain.
c. the predominant neuromodulators in the spinal cord.
d. the most common neurotransmitters in the CN
The answer is D. This
is because the amino acids are the main synaptic
neurotransmitters in the brain neurons. Glutamate is released by all
brain neurons and has an excitatory effect. GABA and glycine have the opposite effect
(inhibitory)
Blood Provides the Body's<span> Cells with Oxygen and Removes Carbon Dioxide. Blood absorbs oxygen from air in the lungs. It </span>transports<span> the oxygen to cells </span>throughout the body<span>, and it removes waste carbon dioxide from the cells</span>