Answer: e. prokaryotic cells lack nuclei.
Explanation: Prokaryotes are unicellular (single-cell) organisms that lack well developed cell internal membrane-bound structures or organelles. They do not have a nucleus but generally, they have a single chromosome that possess a double-stranded DNA located in an area of the cell called the nucleoid. Most prokaryotes have a cell wall outside the plasma membrane.
Answer:
Anaphase ensures genetic continuity
Explanation:
Answer:
Movements of joints and orientation of bones forming the elbow and knee joint results in a hinge type joint used for extension and flexion of arm and legs.
<u>Explanation:</u>
- Knees and Elbow exhibits as the major sectional parts in the body and it is used to move arms and legs.
- Hinge Joint present in the elbow and knees provides flexibility in moving the arms and legs in our body.
- The common disorder occurs in the joint is Osteoarthritis and it mostly affects the age of people around 40-50.
- These disorders cause pain in joints of the leg and elbow.
Answer:
Anaerobic respiration
Explanation:
In anaerobic respiration, glucose breaks down without oxygen. The chemical reaction transfers energy from glucose to the cell. Anaerobic respiration produces lactic acid, rather than carbon dioxide and water.
