Chapter 6 Lecture CELL

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identify the specific cell membrane component that is responsible for creating a physical barrier designated to protect the cell organelles ?

phospholipids

Once in a while, hydrogen peroxide will accumulate in the cells due to metabolism. What cell organelle and what enzyme is involved that breaks down hydrogen peroxide?

Cell organelle: peroxisomes enzyme: catalase

A lack of hexosaminidase A may result in ___ a. tay-sachs disease b. glycogen storage disease c. lysosomal damage d. all the choice are correct

a

which of the following statement is correct? a. during transcription, RNA is synthesized from DNA in the nucleus b. during transcription, RNA is synthesized from DNA in the cytosol c. during transcription, RNA is synthesized from DNA in the nucleolus

a

the difference between a phospholipid and glycolipid is ______ a. the phospholipid has a carbohydrate and a glycolipid has a phosphate ion b. the phospholipid has a phosphate ion and a glycolipid has a carbohydrate c. the phospholipid has a phosphate ion and a glycolipid has a glycerol d. the phospholipid has two fatty acids and the glycolipid has a carbohydrate

b

which cell organelle is involved in translating information from mRNA? a. mitochondria b. nucleolus c. ribosomes d. lysosomes

c

what specific molecule is connected to a protein associated with the cell membrane that results in different blood types?

carbohydrate

in the liver, detoxifying drugs and alcohol are localized in what organelle? a. peroxisomes b. lysosomes c. golgi apparatus d. smooth endoplasmic reticulum

d

a lack of alpha-glucosidase will result in what medical condition?

glycogen storage disease


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