Answer:
for the first page the answers are contains DNA, contains ribosomes, and lacks a nucleus. The answer for the second one is cell wall im pretty sure.
Explanation:
Answer:
Organelles are specialized structures that perform various jobs inside cells. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, and kidneys, serve specific functions to keep an organism alive, organelles serve specific functions to keep a cell alive.
Explanation:
Answer:
Arteries carry oxygenated blood away from the heart. Veins carry the blood back to the heart. Veins contain valves that ensure blood flows in only one direction. Arteries don’t require valves because pressure from the heart is so strong that blood is only able to flow in one direction.
Explanation:
The given blank can be filled with enzymatic molecules.
Enzymes refer to biological molecules or proteins, which function as catalysts and assist the composite reactions to take place everywhere in life. The enzymes generally end with the suffix - ase. For example, proteases, which functions to dissociate the peptide bonds between the amino acids.
Enzymes are big molecules, which accelerate the rate of chemical reactions within the cells, and like all other kinds of proteins, they comprise lengthy chains of amino acids.
<span>Actually baby Aiden will surely develop a strong secretory Iga antibodies which is passive immunity to most of the types of bacteria and viruses, ie, as a protection against infections, which inturn is a response to the baby to its immune system in the form active immunity.</span>