Amy Arce
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Biochemistry

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Amy Arce
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Chapter 11

Question 1 of 56

1

Monosaccharides are the simplest carbohydrates

Select one of the following:

  • True
  • False

Explanation

Question 2 of 56

1

A key component of cartilage are molecules called

Select one of the following:

  • glycosaminoglycans

  • glycans

  • glycogylcans

  • aminoglycans

Explanation

Question 3 of 56

1

Fill the blank space to complete the text.

The smallest monosaccharides are composed of carbons

Explanation

Question 4 of 56

1

glycosaminoglycans , large polymers made up of many repeats of dimers

Select one of the following:

  • True
  • False

Explanation

Question 5 of 56

1

Name six common monosaccharides

Select one or more of the following:

  • D-Ribose

  • D-deoxyribose

  • D-oxy

  • D-glucose

  • D-mannose

  • D-galactose

  • D-lactose

  • D-fructose

Explanation

Question 6 of 56

1

Glucose is a reducing sugar

Select one of the following:

  • True
  • False

Explanation

Question 7 of 56

1

Glucose can react with hemoglobin, forming

Select one of the following:

  • Monossacharides

  • Glycosylated hemoglobin A1c

  • Carbohydrates

Explanation

Question 8 of 56

1

Hemoglobin A1c allows one to

Select one of the following:

  • monitor the long term control of blood glucose levels in diabetics

  • monitor the short term control of blood glucose levels in diabetics

Explanation

Question 9 of 56

1

Select from the dropdown lists to complete the text.

Monossacharides are joined to ( alcohols, acids ) and ( amines, amino ) through ( glycosidic, glycogen ) bonds

Explanation

Question 10 of 56

1

What are key intermediates in energy generation and biosynthesis

Select one of the following:

  • Phosphorylates sugars

  • Monossacharides

  • Carbohydrates

Explanation

Question 11 of 56

1

Phosphorylation is

Select one or more of the following:

  • a common modification of carbohydrates

  • a common modification of sugars

  • makes the sugars anionic and prevents them from leaving the cell

  • facilitates the metabolism of sugars

Explanation

Question 12 of 56

1

What contains two or more monosaccharies linked by O-glycosidic bonds

Select one of the following:

  • Oligosaccharides

  • sucrose

  • lactose

  • disaccharides

Explanation

Question 13 of 56

1

What are common disaccharides

Select one or more of the following:

  • Sucrose

  • lactose

  • maltose

  • glucose

Explanation

Question 14 of 56

1

Sucrose is obtained from sugar cane and sugar beets and is composed of

Select one of the following:

  • of glucose linked to fructose

  • linked to a glucose by a β-1-4-linkage

  • a degradation product of large oligosaccharides

Explanation

Question 15 of 56

1

The linkage is α for glucose and β for fructose.

Select one of the following:

  • True
  • False

Explanation

Question 16 of 56

1

Fill the blank space to complete the text.

is cleaved by sucrase

Explanation

Question 17 of 56

1

Lactose is the disaccharide of milk that consists of

Select one of the following:

  • a galactose linked to a glucose by a β-1-4-linkage

  • a degradation product of large oligosaccharides

  • the linkage is α for glucose

Explanation

Question 18 of 56

1

Fill the blank space to complete the text.

lactase cleaves

Explanation

Question 19 of 56

1

Maltose

Select one or more of the following:

  • a degradation product of large oligosaccharides

  • disaccharidee

  • composed of 2 glucose molecules linked by an α-1-4-linkage.

  • disaccharide of milk

Explanation

Question 20 of 56

1

Fill the blank space to complete the text.

is hydrolyzed by maltase

Explanation

Question 21 of 56

1

polysaccharides are

Select one of the following:

  • small polyermic oligosaccharides

  • large polymeric oligosaccharides

  • Disaccharides

Explanation

Question 22 of 56

1

Select from the dropdown list to complete the text.

If all of the monosaccharides in the polysaccharide are the same, the polysaccharide is called a ( homopolymer, hyperpolymer )

Explanation

Question 23 of 56

1

The polysaccharide glycogen is the storage form of glucose in plant cells

Select one of the following:

  • True
  • False

Explanation

Question 24 of 56

1

Most glucose units in glycogen are lined by

Select one or more of the following:

  • α-1,4-glycosidic bonds

  • branches formed by α-1,6-glycosidic bonds every 10 glucose units

  • branches formed by α-1,6-glycosidic bonds every 15 glucose units

  • α-1,2-glycosidic bonds

Explanation

Question 25 of 56

1

In plants, glucose is stored as starch

Select one of the following:

  • True
  • False

Explanation

Question 26 of 56

1

Fill the blank spaces to complete the text.

Two forms of glucose are and

Explanation

Question 27 of 56

1

Amylose is a

Select one or more of the following:

  • linear polymer of glucose

  • branched polymer of glucose

  • linked by α-1,4-glycosidic bonds.

  • , with an α-1,6-glycosidic bond for every 30 α-1,4-glycosidic bonds.

Explanation

Question 28 of 56

1

Amylopectin is

Select one or more of the following:

  • branched polymer of glucose

  • linear polymer of glucose

  • linked by α-1,4-glycosidic bonds.

  • with an α-1,6-glycosidic bond for every 30 α-1,4-glycosidic bonds.

Explanation

Question 29 of 56

1

cellulose is a structural component of plants made of chains of glucose

Select one of the following:

  • True
  • False

Explanation

Question 30 of 56

1

Mammals cannot digest cellulose and other plant fibers, soluble fibers, such as polygalacturonic acid, aid in digestion

Select one of the following:

  • True
  • False

Explanation

Question 31 of 56

1

Fill the blank space to complete the text.

Carbohydrates can be linked to proteins to form

Explanation

Question 32 of 56

1

Glycoproteins

Select one or more of the following:

  • largest component by weight

  • Play variety of roles, including membrane proteins

  • Smallest component by weight

Explanation

Question 33 of 56

1

Erythropoietin

Select one or more of the following:

  • glycoprotein

  • 40 percent carbohydrate by weight

  • secreted into the blood by the kidney to stimulate production of red blood cells

  • secreted into the blood by the kidney to stimulate production of white blood cells

Explanation

Question 34 of 56

1

glycosylation of erythropoietin enhances the stability of the protein in the blood

Select one of the following:

  • True
  • False

Explanation

Question 35 of 56

1

What are the three main classes of glycoproteins

Select one or more of the following:

  • proteoglycans

  • Mucins

  • Mucoproteins

  • Amino proteins

Explanation

Question 36 of 56

1

Proteoglycans

Select one or more of the following:

  • attached to a particular type of polysaccharide called glycosaminoglycan

  • By weight, mainly carbohydrate

  • By weight, mainly glucose

  • play structural roles

  • act as lubricants

Explanation

Question 37 of 56

1

Proteoglycans are proteins attached to glycosaminoglycans, which make up 95% of the proteoglycan by weight.

Select one of the following:

  • True
  • False

Explanation

Question 38 of 56

1

Glycosaminoglycans are composed of

Select one of the following:

  • repeating units of a disaccharide, one of which is a derivative of an amino sugar and one of which carries a negative charge, either as a carboxylate or sulfate.

  • repeating units of a monosaccharide, one of which is a derivative of an amino sugar and one of which carries a negative charge, either as a carboxylate or sulfate.

  • repeating units of a disaccharide, one of which is a derivative of an amino sugar and one of which carries a positive charge, either as a carboxylate or sulfate.

Explanation

Question 39 of 56

1

Proteoglycans are important components of cartilage

Select one of the following:

  • True
  • False

Explanation

Question 40 of 56

1

Cartilage is composed of the

Select one of the following:

  • proteoglycan aggrecan and collagen

  • glycosaminoglycans

  • chitin

Explanation

Question 41 of 56

1

The glycosaminoglycan component of aggrecan cushions joints by releasing water on impact, and then rebinding water.

Select one of the following:

  • True
  • False

Explanation

Question 42 of 56

1

Chitin

Select one or more of the following:

  • glycosaminoglycan

  • found in exoskeleton of insects

  • one of the most abundant carbohydrates in the world

  • Mucins

Explanation

Question 43 of 56

1

Mucopolysaccharidoses, such as Hurler disease, are

Select one of the following:

  • pathological conditions that result from the inability to degrade proteoglycans

  • pathological conditions that result from the inability to degrade glycosaminoglycan

  • pathological conditions that result from the inability to degrade glycogen

Explanation

Question 44 of 56

1

Mucins or mucoproteins like proteoglycans are predominately carbohydrate

Select one of the following:

  • True
  • False

Explanation

Question 45 of 56

1

Mucins or mucoproteins

Select one or more of the following:

  • attach to the carbohydrate by N-acetylgalactosamine

  • Often lubricants

  • adhere to epithelial cells, acting a protective barrier

  • Non lubricants

Explanation

Question 46 of 56

1

Blood groups are based off what patterns

Select one of the following:

  • protein glycosylation

  • Mucoproteins

  • Glycosaminoglycan

Explanation

Question 47 of 56

1

The human ABO blood groups reflect the specificity of

Select one of the following:

  • glycosyltransferases

  • proteoglycans

  • glycosaminoglycan

Explanation

Question 48 of 56

1

All of the blood groups share the oligosaccharide foundation called A

Select one of the following:

  • True
  • False

Explanation

Question 49 of 56

1

In type A blood, N-acetylgalactosamine is

Select one of the following:

  • added to the O by a specific glycosyltransferase.

  • added to the A by a specific glycosyltransferase.

  • added to the B by a specific glycosyltransferase.

Explanation

Question 50 of 56

1

In type B blood, galactose is added by another transferase

Select one of the following:

  • True
  • False

Explanation

Question 51 of 56

1

The blood type O, sometimes called H, lacks both the enzymes required to modify the foundation.

Select one of the following:

  • True
  • False

Explanation

Question 52 of 56

1

Fill the blank space to complete the text.

are specific carbohydrate binding proteins

Explanation

Question 53 of 56

1

Influenza virus binds to sialic acid residues

Select one of the following:

  • True
  • False

Explanation

Question 54 of 56

1

Some viruses gain entry into cells by

Select one of the following:

  • first binding to carbohydrates on the cell surface.

  • first binding to sugars on the cell surface.

  • first binding to proteoglycans on the cell surface.

Explanation

Question 55 of 56

1

The influenza virus binds to

Select one of the following:

  • oligosaccharides composed of sialic acid and galactose.

  • disaccharides composed of sialic acid and galactose.

  • oligosaccharides composed of sialic acid and fructose.

  • disaccharides composed of sialic acid and fructose.

Explanation

Question 56 of 56

1

What viral protein is responsible for carbohydrate binding

Select one of the following:

  • Hemoglobin

  • Hemagglutinin

  • glycoprotein

  • proteoglycan

Explanation