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- Question
The HIV retrovirus is particularly deadly because
Options- A. I can become AIDS shortly afte being contracted
- B. It attacks the body immune system
- C. Treatments can be dangerous for patients
- D. Its hard to diagnose accurately
- Correct Answer
- It attacks the body immune system
- 1. Chylomicrons are synthesized within the
Options- A. Intestinal cells
- B. Liver
- C. Storage compartment of plant seeds
- D. Lymphatic system Discuss
- 2. Why is Meiosis called Reduction Division? Discuss
- 3. Water pollution of a river is measured by_______
Options- A. Amount of chlorine dissolve in water
- B. Amount of Ozone dissolve in water
- C. Amount of nitrogen dissolve in water
- D. Amount of oxygen dissolve in water Discuss
- 4. Which organelles in the cell, other than nucleus contains DNA?
Options- A. Centriole
- B. Goalgi apparatus
- C. Lysosomes
- D. Mitochondria Discuss
- 5. In a bisexual flower if androcium and gynoecium mature at different time the phenomeon is known as _________
Options- A. Dichogamy
- B. Herpogamy
- C. Haterogamy monogamy
- D. None of these Discuss
- 6. Rubella diseases is described first by the scientist
Options- A. Abu Baqre
- B. Ronald Ross
- C. Laveris
- D. Darwin Discuss
- 7. The type of fracture where bone is broken at several places
Options- A. Complicated fracture
- B. Green stick fracture
- C. Impact fracture
- D. Comminuted fracture Discuss
- 8. The hormone that helps in the implantation of embryo
Options- A. Testosterone
- B. Insulin
- C. Prolactin
- D. Progesterone Discuss
- 9. The inner most membrane that covers the brain is
Options- A. Pleura
- B. Duramater
- C. Pia - mater
- D. Arachnoid membrane Discuss
- 10. In electro - magnetic radiation, which of the following has greater wave - length than visible light
Options- A. Ultra -violet rays
- B. Infra - red rays
- C. Cosmic rays
- D. x-rays Discuss
Biology problems
Search Results
Correct Answer: Lymphatic system
Explanation:
Lipoproteins are particles that contain triacylglycerol (TAG), cholesterol, phospholipids and amphipathic proteins called apolipoproteins.
The four major types of lipoproteins are
1. chylomicrons,
2. very low-density lipoprotein (VLDL),
3. low-density lipoprotein (LDL), and
4. high-density lipoprotein (HDL).
Chylomicrons are formed in the endoplasmic reticulum in the absorptive cells (enterocytes) of the small intestine.
The function of these lipoproteins is to deliver energy-rich triacylglycerol (TAG) to cells in the body (pink pathway). TAG is stripped from chylomicrons and VLDL through the action of lipoprotein lipase, an enzyme that is found on the surface of endothelial cells. This enzyme digests the TAG to fatty acids and monoglycerides, which can then diffuse into the cell to be oxidized, or in the case of an adipose cell, to be re-synthesized into TAG and stored in the cell.
Correct Answer: Meiosis :: Meiosis is a type of cell division that reduces the chromosome number by half in daughter cells, creating four haploid cells, each genetically distinct from the parent cell that gave rise to them Why it is called as Reduction Division :: 1 As the Meiosis division process involves in reduction of chromosome number in the daughter cells to half the number in the parent cell, this process is called Reduction Division Meiosis creates gametes (egg and sperm cells) 2 The resulting gametes have 23 new chromosomes, one member of each of the 23 pairs, representing unique combinations of the original maternal and paternal copies
Correct Answer: Amount of oxygen dissolve in water
Correct Answer: Mitochondria
Correct Answer: Dichogamy
Correct Answer: Abu Baqre
Correct Answer: Comminuted fracture
Correct Answer: Progesterone
Correct Answer: Pia - mater
Correct Answer: Infra - red rays
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