I think the correct answer from the choices listed above is option D. Lysosomes produce digestive enzymes that are essential to their functions. They decompose the products of ingestion and makes the pH more acidic. They digest food for the cell. Hope this answers the question.
False. Rosalind Franklin, Maurice Wilkins, James Watson, and Francis Crick found out the actual structure of the DNA molecule by x-rays and research.
Hope this helps.
Answer - <span>The oral cavity, salivary glands, pharynx, esophagus, and stomach.
Reasoning - These Structures are what builds and performs as a system.</span>
The portion of the membrane that faces the lumen is called the apical membrane.
Membrane is the lipid bilayer that surrounds the cell on its outer surface. The membrane serves various functions like: protection, cell shape and integrity and regulate the traffic of molecules across the membrane. It is semi-permeable in nature.
Lumen is the hollow portion present inside any organ or tube like the artery or intestine. It is a Latin word that means 'an opening'. The lumen of different organs served various purposes. However, the major function is the transport of substances like air, nutrients, waste materials, immune cells, hormones, etc.
To know more about lumen, here
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Answer:
After DNA replication, each chromosome now consists of two physically attached sister chromatids. After chromosome condensation, the chromosomes condense to form compact structures (still made up of two chromatids). ... The two copies of a chromosome are called sister chromatids
Explanation: