Biochemistry

50問 • 1年前

Reviewer

通報

問題一覧

He first used the term "biochemistry" and proposed the chemical pathway for fermentation.

Neuberg

What type of macromolecules are dominantly seen in cell membranes?

Lipids

An organic compound is one that:

Contains carbon

Which of the following monomers and the associated macromolecules are CORRECTLY paired?

Monosaccharides - Carbohydrates

He created the first organic compound, urea from inorganic compounds.

Wohler

What are the two (2) organs responsible for regulating the buffering mechanisms in the body?

Kidney and Lungs

All of the following are the role of the nucleus, EXCEPT?

Energy producers within the cell

In what organelle is the site of phospholipid biosynthesis and detoxification reactions takes place?

Smooth endoplasmic reticulum

A type of cell division that occurs in somatic cells. It produces two diploid cells that are the same genetically

Mitosis

Stage of mitosis where the paired chromosomes separate at the kinetochores and move to the opposite sides of the cell.

Anaphase

Which of the following choices is the correct sequence of the stages of mitosis? 1. Metaphase 2. Prophase 3. Telophase 4. Anaphase 5. Interphase 6. Cytokinesis

5,2,1,4,3,6

What organelle is the energy producer and has the capacity to multiply with increasing energy requirements?

Mitochondria

Prokaryotic cells divide by:

Binary fission

He discovered that animals are made up of cells and proposed the cell theory:

Schwann

All of the following are true about carbon atoms, EXCEPT?

Carbon atoms are incapable of forming stable bonds to other carbon atoms.

Which of the following equations best describe the Henderson-Hasselbalch equation?

pH = pKa + log (conjugate base/conjugate acid)

Macromolecules are usually polymers, which are large molecules formed by the covalent bonding of many identical small building-block molecules termed as?

Monomers

The functional group that helps stabilize the shape of proteins:

-SH

Upon hydrolysis, maltose will yield which of the following monosaccharides?

Glucose + Glucose

Which of the following monomers and the associated macromolecules is INCORRECTLY paired?

Polysaccharides - Carbohydrates

Which of the following is NOT a type of lipid in the body?

Ergosterol

Which of the following statements is/are true about phospholipids? 1) The "head" is polar and forms hydrogen bonds with water; the "tails" are nonpolar and interact only with other lipids. 2) The "head" is hydrophobic, while the "tails" are hydrophilic.

Only statement number 1 is true

Which macromolecules contain carbon, hydrogen, oxygen, and nitrogen, and some monomers contain sulfur?

Proteins

Organic compounds that are the main source of chemical energy to generate ATP:

Carbohydrates

All of the following are important functional groups of amino acids, EXCEPT?

Phosphate Group (PO₄)

When proteins are heated or pH is changed, their tertiary structure is disrupted, and they lose biological activity. This process is called:

Denaturation

To become more soluble in blood plasma, lipids bind with hydrophilic protein molecules to form a complex called:

Lipoproteins

All of these are classified as basic amino acids, EXCEPT?

Valine

What is a holoenzyme?

A combination of Co-enzyme and Apoenzyme

Which of the following statements is/are true about enzymes? 1) They are protein-based and act as catalysts. 2) Enzymes are highly selective for the reactions they catalyze and their substrates.

Both statements are true

Emil Fischer proposed this model in 1894:

Lock and Key model

This model states that the binding of substrate induces a conformational change in the active site of the enzyme:

Induced fit model

What is the general mechanism of an enzyme?

It acts by reducing the activation energy.

Tertiary conformation of proteins is maintained by three types of bonds, namely ionic, hydrogen, and:

Disulfide

The transfer of the functional group is catalyzed by the enzyme called:

Transferases

They catalyze reactions involving ligation and formation of bonds such as carbon-carbon, carbon-sulfur, and others:

Ligases

Catalyze reactions involving the transfer of functional groups to water:

Hydrolases

Many coenzymes, cofactors, and prosthetic groups are derivatives of:

Vitamins

Choose the correct classification for the sugar C₅H₁₀O₅:

Pentoses

Choose the correct classification for the sugar C₆H₁₂O₆:

Hexoses

Which glucose transporter is abundant in muscle and adipose tissue?

GLUT 4

Which of the following is the key enzyme in the pentose-phosphate pathway?

Glucose-6-phosphate dehydrogenase

Which of the following are the major precursors for gluconeogenesis in humans?

Both

What is the other name for Type VI glycogen storage disease?

Hers

What is the other name for Type IV glycogen storage disease?

Andersen

Glucagon is released from which organ?

Pancreas

Which autosomal recessive disorder is caused by a deficiency of muscle glycogen phosphorylase?

McArdle disease

Which autosomal recessive disorder is caused by a deficiency of muscle phosphofructokinase?

Tarui disease

A disorder of fructose metabolism caused by fructokinase deficiency (benign and autosomal recessive), leading to fructose accumulation in urine:

Essential fructosuria

A digestive enzyme in saliva that converts starch into maltose:

Salivary amylase

PMLS

Reviewer · 87問 · 2年前

PMLS

87問 • 2年前

Reviewer

ANAPHY

Reviewer · 101問 · 2年前

ANAPHY

101問 • 2年前

Reviewer

Anaphy P2

Reviewer · 100問 · 2年前

Anaphy P2

Anaphy P2 (2)

Anaphy P2 (2)

Contemporary World

Contemporary World

Pmls P2

Pmls P2

hes p3

Reviewer · 100問 · 1年前

hes p3

Anachem

Anachem

sjc l1

sjc l1

bio lab1 pic

bio lab1 pic

sjc L2

sjc L2

Biostat L3

Biostat L3

sjc L3&L4

sjc L3&L4

HIS L3

HIS L3

HIS L4

HIS L4

HIS L5

HIS L5

HIS L3

HIS L3

PSTM L3-L5

PSTM L3-L5

P1 Reviewer

P1 Reviewer

CPH P2

CPH P2

P2 Mod

P2 Mod

ANCH P2

ANCH P2

ANCH P2 MOD

ANCH P2 MOD

CPH

CPH

HIS

HIS

CFU ANCH P1-P3

CFU ANCH P1-P3

anch

anch

ANCH P2 Terms

ANCH P2 Terms

BIOSTAT FINALS (1)

Reviewer · 100問 · 1年前

BIOSTAT FINALS (1)

BIOSTAT FINALS (2)

BIOSTAT FINALS (2)

BIOSTAT FORMULA

BIOSTAT FORMULA

CFU CPH 1-5

CFU CPH 1-5

CFU CPH 6-16

CFU CPH 6-16

CFU CPH 17-23

CFU CPH 17-23

CFU HIS P1

CFU HIS P1

CFU HIS P2

CFU HIS P2

CFU HIS P3

CFU HIS P3

BIOSTAT FORMULA

BIOSTAT FORMULA

Mod 1-7

Mod 1-7

Mod 1

Mod 1

Mod 2

Mod 2

Mod 3

Mod 3

Mod 4

Mod 4

Mod 6

Mod 6

Mod 1-6

Mod 1-6

Mod 7

Mod 7

Mod 1

Mod 1

Mod 2

Mod 2

Mod 3

Mod 3

Mod 4

Mod 4

Mod 5

Mod 5

Mod 6

Mod 6

Mod 1-7

Mod 1-7

Mod 1

Mod 1

Mod 2

Mod 2

Mod 3

Mod 3

Mod 4

Mod 4

Mod 5

Mod 5

Mod 6

Mod 6

Mod 7

Mod 7

Mod 1

Mod 1

Mod 2

Mod 2

Mod 3

Mod 3

Mod 1

Mod 1

Mod 6

Mod 6

Mod 1

Mod 1

Mod 2

Mod 2

Mod 5

Mod 5

Mod 7

Mod 7

Mod 5

Mod 5

Mod 7

Mod 7

Mod 4

Mod 4

Mod 6

Mod 6

Mod 2

Mod 2

Mod 3

Mod 3

Mod 5

Mod 5

Mod 4

Mod 4

Lab Management

Lab Management

Cytogenetics

Cytogenetics

問題一覧

He first used the term "biochemistry" and proposed the chemical pathway for fermentation.

Neuberg

What type of macromolecules are dominantly seen in cell membranes?

Lipids

An organic compound is one that:

Contains carbon

Which of the following monomers and the associated macromolecules are CORRECTLY paired?

Monosaccharides - Carbohydrates

He created the first organic compound, urea from inorganic compounds.

Wohler

What are the two (2) organs responsible for regulating the buffering mechanisms in the body?

Kidney and Lungs

All of the following are the role of the nucleus, EXCEPT?

Energy producers within the cell

In what organelle is the site of phospholipid biosynthesis and detoxification reactions takes place?

Smooth endoplasmic reticulum

A type of cell division that occurs in somatic cells. It produces two diploid cells that are the same genetically

Mitosis

Stage of mitosis where the paired chromosomes separate at the kinetochores and move to the opposite sides of the cell.

Anaphase

Which of the following choices is the correct sequence of the stages of mitosis? 1. Metaphase 2. Prophase 3. Telophase 4. Anaphase 5. Interphase 6. Cytokinesis

5,2,1,4,3,6

What organelle is the energy producer and has the capacity to multiply with increasing energy requirements?

Mitochondria

Prokaryotic cells divide by:

Binary fission

He discovered that animals are made up of cells and proposed the cell theory:

Schwann

All of the following are true about carbon atoms, EXCEPT?

Carbon atoms are incapable of forming stable bonds to other carbon atoms.

Which of the following equations best describe the Henderson-Hasselbalch equation?

pH = pKa + log (conjugate base/conjugate acid)

Macromolecules are usually polymers, which are large molecules formed by the covalent bonding of many identical small building-block molecules termed as?

Monomers

The functional group that helps stabilize the shape of proteins:

-SH

Upon hydrolysis, maltose will yield which of the following monosaccharides?

Glucose + Glucose

Which of the following monomers and the associated macromolecules is INCORRECTLY paired?

Polysaccharides - Carbohydrates

Which of the following is NOT a type of lipid in the body?

Ergosterol

Only statement number 1 is true

Which macromolecules contain carbon, hydrogen, oxygen, and nitrogen, and some monomers contain sulfur?

Proteins

Organic compounds that are the main source of chemical energy to generate ATP:

Carbohydrates

All of the following are important functional groups of amino acids, EXCEPT?

Phosphate Group (PO₄)

When proteins are heated or pH is changed, their tertiary structure is disrupted, and they lose biological activity. This process is called:

Denaturation

To become more soluble in blood plasma, lipids bind with hydrophilic protein molecules to form a complex called:

Lipoproteins

All of these are classified as basic amino acids, EXCEPT?

Valine

What is a holoenzyme?

A combination of Co-enzyme and Apoenzyme

Which of the following statements is/are true about enzymes? 1) They are protein-based and act as catalysts. 2) Enzymes are highly selective for the reactions they catalyze and their substrates.

Both statements are true

Emil Fischer proposed this model in 1894:

Lock and Key model

This model states that the binding of substrate induces a conformational change in the active site of the enzyme:

Induced fit model

What is the general mechanism of an enzyme?

It acts by reducing the activation energy.

Tertiary conformation of proteins is maintained by three types of bonds, namely ionic, hydrogen, and:

Disulfide

The transfer of the functional group is catalyzed by the enzyme called:

Transferases

They catalyze reactions involving ligation and formation of bonds such as carbon-carbon, carbon-sulfur, and others:

Ligases

Catalyze reactions involving the transfer of functional groups to water:

Hydrolases

Many coenzymes, cofactors, and prosthetic groups are derivatives of:

Vitamins

Choose the correct classification for the sugar C₅H₁₀O₅:

Pentoses

Choose the correct classification for the sugar C₆H₁₂O₆:

Hexoses

Which glucose transporter is abundant in muscle and adipose tissue?

GLUT 4

Which of the following is the key enzyme in the pentose-phosphate pathway?

Glucose-6-phosphate dehydrogenase

Which of the following are the major precursors for gluconeogenesis in humans?

Both

What is the other name for Type VI glycogen storage disease?

Hers

What is the other name for Type IV glycogen storage disease?

Andersen

Glucagon is released from which organ?

Pancreas

Which autosomal recessive disorder is caused by a deficiency of muscle glycogen phosphorylase?

McArdle disease

Which autosomal recessive disorder is caused by a deficiency of muscle phosphofructokinase?

Tarui disease

A disorder of fructose metabolism caused by fructokinase deficiency (benign and autosomal recessive), leading to fructose accumulation in urine:

Essential fructosuria

A digestive enzyme in saliva that converts starch into maltose:

Salivary amylase