Question # 1

80% of total RNA in the cell comprises of.

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mRNA

tRNA

rRNA

RNA -DNA Hybrid

To produce Lactose

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Two amino acids must form a peptide bond

Pairing of nitrogenous bases must occur between nucleotides

Glucose and galactose must undergo a dehydration reaction

Glucose and fructose must undergo a hydrolysis reaction

the molecule formed by two amino acids is called.

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Peptide linkage

dipeptide

Both A and C

Peptide bond

Peptide bond is a

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C-N link

C-O link

N-H link

C-H link

Glycogen is an example of a

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Polysaccharide only

Carbohydrate only

Phospholipid

Both a polysaccharide and a carbohydrate

Monosaccharide which are rare in nature and occur in some bacteria is

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Trioses

Tetroses

Hexoses

Pentoses

Glycogen is found abundantly in

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Liver

Muscles

Kidney

Both a and b

When a protein undergoes a hydrolysis reaction the end-products are

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Amino acid

Monosaccharides

Fatty acids

Nucleotides

The most abundant organic compound mammalian cell.

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Water

Lipids

Proteins

Carbohydrates

Monosaccharide which are rare in nature and occur in some bacteria is.

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Trioses

Tetroses

Hexoses

Pentoses

Human tissues have 85% water is cells of

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Bone

Blood

Brain

Liver

Human tissue contains about 20% water in.

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Kidney

Bone cells

skin cells

Brain cells

Silk fiber, myosin, fibrin and keratin are examples.

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Fibrous proteins

Tough proteins

Oval proteins

Globular proteins

Phosphatidyl choline is one of the common

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Phospholipid

Glycolipid

Sphingolipid

Terpenoid

Animal obtain carbohydrates mainly from

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Glycogen

Cellulose

Glucose

Amino acids

The specific heat of vaporization of water is.

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457 kcal/kg

574 kcl/kg

580 kcal/kg

570 kcal/kg

The most abundant carbohydrates in nature is

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Starch

Cellulose

Maltose

Glucose

A triglyceride is a

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Simple sugar

Lipid

Protein

Nucleic acid

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Biology Fsc Part 1 Chapter 2 Online Test MCQs With Answers

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