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4. Why does cholesterol for plaques in the blood when lipoproteins are not present?
2. All lipoproteins are made up of proteins, triglycerides, and cholesterol. Why are low-density lipoproteins (LDL) considered unhealthy, and people encouraged to lower LDL, while high-density lipoproteins are considered healthy and people encouraged to increase HDL?
Why are LDL low density lipoproteins considered to be the "bad" cholesterol relative to the high density lipoprotein particles? A) HDL particles contain a different form of cholesterol B) Because the lower the density of the particle, the more cholesterol it contains. C) Because HDL receptors are not found on cells
A cholesterol screening finds that a person's blood serum has 38 mg/dL HDL and 190 mg/dL LDL a. Are these values within the normal range? o Yes No b. How many grams of HDL are present in 3.0 mL of the serum? the tolerance is +/-29% c. How many micrograms of LDL are present in 2.5 x 10-4 L of the serum? the tolerance is +/-2% d. What is the LDL/HDL ratio? Is this value considered to be healthy? No...
The role of very low density lipoproteins is 1. Scavenging the cholesterol from cell membranes 2. Transporting of lipids from liver to tissues 3. Transporting of cholesterol esters to the liver 4. Both A and B are correct 5. All of the above are correct
please answer number 5
piu lmeiuPANE. The main two types of lipoproteins are: lo density lipoproteins, and High density lipoprotein. The low density lipoproteins a not considered to be healthy for our body but HDL is considered to be good cholesterol as it keeps our heart healthy. Explain Types of fatty acids their structural difference, as well as their effects health and dietary sources. The types of fatty acids are Saturated: each carbon aton bonded with two hydrogen atoms, Monounsaturated:...
1. Which of the following pathways is NOT present in red blood cells? a. Cholesterol synthesis b. Glycolysis c. The pentose phosphate pathway d. Fatty acid oxidation
A) In some instances, the levels of LDL cholesterol exceed the
ability of the body to maintain homeostasis, and as a result, the
excess material accumulates into fatty deposits that harden into
plaques. Arrange in the correct order the sequence of events that
leads to this condition, known as atherosclerosis:
1) The plaques harden, blocking the flow of blood in major
arteries.
2) White blood cells become engorged with fatty deposits.
3) Excess LDL cholesterol accumulates in the interior of...
LDLs are referred to as “bad cholesterol” because they are the blood serum particle with the highest concentration of cholesterol. they contain cholesterol that is not as easily degraded. their cholesterol has no specific cellular purpose other than to form plaques. LDL levels surge after meals high in fat. Which step in glucagon signaling occurs in the Gsa protein? 1. A hydrolysis reaction cleaves a fatty acid from the stored triacylglycerols to generate diacylglycerol and a fatty acid. 2. The...
Why would the lack of ApoE and LDL receptor increase the total cholesterol in the blood?
why does blood flow increase when exercising? (biological explanation)