Answer:The structure and functions of cells that found in the video include:
Explanation:
1. Nucleus:
Structure=it is a spherical body which is covered by a double membrane which contains hereditary materials.
Functions= it controls all life activities of the cell. It stores hereditary information as it contains DNA.
2. Mitochondria:
Structure: They are oval or rod shaped and bounded by a double membrane
Functions: They are site of cellular respiration.
3. Ribosomes:
Structure: They are small round bodies attached to endoplasmic reticulum.
Functions: They are responsible for protein synthesis.
4. Endoplasmic reticulum:
Structure: They are membrane-like structure that forms channel within the cytoplasm.
Functions: they aid transport of materials within the cytoplasm.
Golgi bodies:
Structure: They are series of disc-shaped sacs.
Functions: They function in synthesis, packaging and distribution of materials within the cell.
2. Types of cell present in kidney
-messangial cell
- Loop of Henle
-podocytes
Answer: unlike modern-day evolutionary geneticists, Darwin did not have the knowledge of modern-day genetics or the ability to sequence the genome. So, Darwin couldn’t have determined that the trait of flightless wings was likely caused by a genetic mutation.
Explanation:
During fertilization, the pituitary gland secretes the follicle-stimulating hormone, which acts on the follicles and stimulates them to produce progesterone. The correct option is B.
<h3>What is fertilization?</h3>
Fertilization is defined as the union of two haploid gametes, the spermatozoa and the oocyte, also known as the egg, to restore the diploid state, form a zygote through the process of egg activation, and initiate a series of mitotic divisions that result in cell differentiation and embryo development.
During fertilization, the pituitary gland secretes the follicle-stimulating hormone, which acts on the follicles and stimulates them to produce progesterone.
If fertilization occurs, the fertilized egg attaches to the uterine lining and a placenta develops.
The fertilized egg then sends a signal to the ovary to continue secreting progesterone, which keeps the pregnancy going by keeping the uterus lining thick and nourishing for the developing embryo.
Thus, the correct option is B.
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Because the oxygen produced in photosynthesis is used in respiration, and the carbon dioxide produced in respiration is used in photosynthesis.