11) Heart muscle works hard and therefore consumes much ATP. Which organelles wo

Question

11) Heart muscle works hard and therefore consumes much ATP. Which organelles would you expect to be especially numerous in the heart muscle cells? A) nuclei B) mitochondria Golgi complexes D) lysosomes 12) A reddish chemical, lipofuscin, is found in greater quantities in cells of older people than in those from younger people. This chemical should be broken down in the cells Which specific type of organelle is not wrking as well in the seniors? A) lysosome C) nucleus D) rough endoplasmic reticulum 13) The virus that causes rabies travels up nerve cells to the brain and spinal cord. Which cell structures will allow the virus to move through the nerve cells? A) Golgi complexes B) nuclei D) pseudopods 14) Which of the following is not a membrane-bound organelle A) mitochondrion C) nucleus D) endoplasmic reticulum 15) An element with more or fewer neutrons than the same element as it appears on the periodic table is known as which of the following A) ion B) buffer C) isotope D) isomer 16) Dipeptidase is an enzyme found in your small intestine that helps break polypeptides down. What would its most likely products be? A) amino acids B) proteins C) triglycerides 17) An organic compound that provides instructions for the synthesis or production of polypeptide chains is referred to as which of the following? A) nucleotide B) lipids ATP D) DNA 18) Which of the following is not found in ATP? B) a suga D) All of these are found in ATP C) a phosphate group 19) These lipids have hydrophobic part and a hydrophilic part A) triglycerides B) carotenoids O phospholipids D) steroids 20) Saturated fatty acids are so named because they are saturated with A) hydrogen B) nitrogen C) carbon D) oxygern 21) Which of the following carbohydrates is made by plants and is not digested by humans? A) lactose B) starch C) cellulose D) glycogen 22) A molecule consists of a long chain of glucose monomers linked by covalent bonds and serves as an energy source for plants and animals. Which of the following would describe this molecule? ) monosaccharide SUCTOs

Explanation / Answer

11. B mitochondria is the correct option. as we know mitochondria is said to be as the power house of the cell. heart muscle need more energy as consumes more ATP, so option B is correct.

12. A lysosome is not working well in the senoirs as they become old, all the remaining are same regarding to the age. so option A is correct.

13. microtubules is the correct answer. so option C is correct.

14.B cytoskeleton is not a membrane bounded organelle. all the remaining are membrane bounded organelles. so option B is correct.

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