Question 1

Which of the following statements about water is incorrect?

Accepted Answer

A) The polarity of water allows for covalent bonding between molecules. 
B) The polarity of water allows it to act as a versatile solvent. 
C) Water's high specific heat allows it to resist temperature shifts. 
D) Water's cohesive and adhesive properties allow water molecules to bond to other molecules and stick to substances. 
A) The polarity of water allows for covalent bonding between molecules. 
B) The polarity of water allows it to act as a versatile solvent. 
C) Water's high specific heat allows it to resist temperature shifts. 
D) Water's cohesive and adhesive properties allow water molecules to bond to other molecules and stick to substances.

Question 2

Which of the following biologic molecules are components of the molecules of inheritance?

Accepted Answer

A) Carbohydrates 
B) Proteins 
C) Nucleic acids 
D) Lipids 
A) Carbohydrates 
B) Proteins 
C) Nucleic acids 
D) Lipids

Question 3

Which of the following is not true about water?

Accepted Answer

A) Large bodies of water stabilize climates due to water's high specific heat. 
B) When water freezes, it forms a lattice crystal, causing ice to float. 
C) The polarity of water's bonds allows for covalent bonding between molecules. 
D) Hydrogen bonding results in water having strong cohesive and adhesive properties. 
A) Large bodies of water stabilize climates due to water's high specific heat. 
B) When water freezes, it forms a lattice crystal, causing ice to float. 
C) The polarity of water's bonds allows for covalent bonding between molecules. 
D) Hydrogen bonding results in water having strong cohesive and adhesive properties.

Question 4

What are the two categories of fatty acids?

Accepted Answer

A) Trans fat and unsaturated fat 
B) Saturated and unsaturated fat 
C) Steroids and enzymes 
D) Phospholipids and polyunsaturated fats 
A) Trans fat and unsaturated fat 
B) Saturated and unsaturated fat 
C) Steroids and enzymes 
D) Phospholipids and polyunsaturated fats

Question 5

Which are the correct mRNA bases, complementary to the following DNA strand " TGCA":

Accepted Answer

A) ACGT 
B) ACGU 
C) TUGT 
D) TGCA 
A) ACGT 
B) ACGU 
C) TUGT 
D) TGCA

Question 6

Which of the following is a stop codon in DNA:

Accepted Answer

A) TGA 
B) TAG 
C) TAA 
D) all of the above 
A) TGA 
B) TAG 
C) TAA 
D) all of the above

Question 7

Which biologic molecule would you recommend a patient limit if they want to avoid having cardiovascular problems?

Accepted Answer

A) Phospholipids 
B) Saturated fats 
C) Unsaturated fats 
D) Carbohydrates 
A) Phospholipids 
B) Saturated fats 
C) Unsaturated fats 
D) Carbohydrates

Question 8

Where can ribosomes be found inside a cell?

Accepted Answer

A) Attached to the rough endoplasmic reticulum and in the cytoplasm 
B) Inside the nucleus and in the cytoplasm 
C) Attached to the smooth endoplasmic reticulum and in the cytoplasm 
D) Attached to the nuclear membrane and the rough endoplasmic reticulum 
A) Attached to the rough endoplasmic reticulum and in the cytoplasm 
B) Inside the nucleus and in the cytoplasm 
C) Attached to the smooth endoplasmic reticulum and in the cytoplasm 
D) Attached to the nuclear membrane and the rough endoplasmic reticulum

Question 9

Which organelle is responsible for cellular respiration?

Accepted Answer

A) Smooth endoplasmic reticulum 
B) Golgi apparatus 
C) Mitochondria 
D) Rough endoplasmic reticulum 
A) Smooth endoplasmic reticulum 
B) Golgi apparatus 
C) Mitochondria 
D) Rough endoplasmic reticulum

Question 10

Which of the following correctly identifies the difference between saturated and unsaturated fats?

Accepted Answer

A) There is no difference between saturated and unsaturated fats. 
B) Saturated fats contain one or more double bonds in their hydrocarbon tail, while unsaturated fats contain no double bonds. 
C) Saturated fats contain two or more double bonds in their hydrocarbon tail, while unsaturated fats contain only one double bond. 
D) Unsaturated fats contain one or more double bonds in their hydrocarbon tail, while saturated fats contain no double bonds. 
A) There is no difference between saturated and unsaturated fats. 
B) Saturated fats contain one or more double bonds in their hydrocarbon tail, while unsaturated fats contain no double bonds. 
C) Saturated fats contain two or more double bonds in their hydrocarbon tail, while unsaturated fats contain only one double bond. 
D) Unsaturated fats contain one or more double bonds in their hydrocarbon tail, while saturated fats contain no double bonds.

Question 11

Which of the following occurs during mitosis but not meiosis?

Accepted Answer

A) The homologous pairs of chromosomes exchange bits of DNA in a process called crossing over. 
B) DNA is duplicated and distributed evenly to two daughter cells. 
C) The chromosomes line up along the metaphase plate 
D) Chromatids separate into individual chromosomes and pull apart towards opposite ends of the cell. 
A) The homologous pairs of chromosomes exchange bits of DNA in a process called crossing over. 
B) DNA is duplicated and distributed evenly to two daughter cells. 
C) The chromosomes line up along the metaphase plate 
D) Chromatids separate into individual chromosomes and pull apart towards opposite ends of the cell.

Question 12

What is the role of water in photosynthesis?

Accepted Answer

A) Convert solar energy to chemical energy 
B) Supply electrons in the light reactions 
C) Absorb light energy 
D) Provide sugars to be used in the Calvin cycle 
A) Convert solar energy to chemical energy 
B) Supply electrons in the light reactions 
C) Absorb light energy 
D) Provide sugars to be used in the Calvin cycle

Question 13

Alleles of the same type are called:

Accepted Answer

A) homozygous 
B) mutations 
C) heterozygous 
D) dominant 
A) homozygous 
B) mutations 
C) heterozygous 
D) dominant

Question 14

The organelle that contains the cell's DNA is the nucleus. The DNA is organized in masses called

Accepted Answer

A) chromosomes 
B) nucleic acids 
C) nucleotides 
D) amino acids 
A) chromosomes 
B) nucleic acids 
C) nucleotides 
D) amino acids

Question 15

Messenger RNA transfers information:

Accepted Answer

A) from DNA to ribosomes 
B) from RNA to DNA 
C) from DNA to glucose 
D) from DNA to proteins 
A) from DNA to ribosomes 
B) from RNA to DNA 
C) from DNA to glucose 
D) from DNA to proteins

Question 16

Which of the following represents a recessive homozygous individual:

Accepted Answer

A) AA 
B) Aa 
C) aa 
D) aA 
A) AA 
B) Aa 
C) aa 
D) aA

Question 17

If you placed an animal cell in a hypertonic solution, what would happen to the cell?

Accepted Answer

A) The cell would shrivel 
B) Plasmolysis 
C) The cell would burst 
D) Nothing would happen 
A) The cell would shrivel 
B) Plasmolysis 
C) The cell would burst 
D) Nothing would happen

Question 18

Which of the following structures makes it possible to leave behind fingerprints?

Accepted Answer

A) Lingual papillae 
B) Duodenal papillae 
C) Dermal papillae 
D) Renal papillae 
A) Lingual papillae 
B) Duodenal papillae 
C) Dermal papillae 
D) Renal papillae

Question 19

What is the function of the rough endoplasmic reticulum?

Accepted Answer

A) Digesting substances in the cell and recycling organelles 
B) Detoxification and metabolism of multiple molecules 
C) Cellular respiration 
D) Protein synthesis and membrane production 
A) Digesting substances in the cell and recycling organelles 
B) Detoxification and metabolism of multiple molecules 
C) Cellular respiration 
D) Protein synthesis and membrane production

Question 20

What is considered the template strand in transcription?

Accepted Answer

A) the DNA strand that the mRNA's nucleotides pair with 
B) the strand of mRNA that travels to the ribosome 
C) the strand of DNA that runs from 5' to 3' 
D) the strand of parental DNA in a new molecule of daughter DNA 
A) the DNA strand that the mRNA's nucleotides pair with 
B) the strand of mRNA that travels to the ribosome 
C) the strand of DNA that runs from 5' to 3' 
D) the strand of parental DNA in a new molecule of daughter DNA

Which of the following statements about water is incorrect?

Which of the following biologic molecules are components of the molecules of inheritance?

Which of the following is not true about water?

What are the two categories of fatty acids?

Which are the correct mRNA bases, complementary to the following DNA strand " TGCA":

Which of the following is a stop codon in DNA:

Which biologic molecule would you recommend a patient limit if they want to avoid having cardiovascular problems?

Where can ribosomes be found inside a cell?

Which organelle is responsible for cellular respiration?

Which of the following correctly identifies the difference between saturated and unsaturated fats?

Which of the following occurs during mitosis but not meiosis?

What is the role of water in photosynthesis?

Alleles of the same type are called:

The organelle that contains the cell's DNA is the nucleus. The DNA is organized in masses called

Messenger RNA transfers information:

Which of the following represents a recessive homozygous individual:

If you placed an animal cell in a hypertonic solution, what would happen to the cell?

Which of the following structures makes it possible to leave behind fingerprints?

What is the function of the rough endoplasmic reticulum?

What is considered the template strand in transcription?

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Exam 6: HESI-A2-Biology

Which of the following statements about water is incorrect?

Which of the following biologic molecules are components of the molecules of inheritance?

Which of the following is not true about water?

What are the two categories of fatty acids?

Which are the correct mRNA bases, complementary to the following DNA strand " TGCA":

Which of the following is a stop codon in DNA:

Which biologic molecule would you recommend a patient limit if they want to avoid having cardiovascular problems?

Where can ribosomes be found inside a cell?

Which organelle is responsible for cellular respiration?

Which of the following correctly identifies the difference between saturated and unsaturated fats?

Which of the following occurs during mitosis but not meiosis?

What is the role of water in photosynthesis?

Alleles of the same type are called:

The organelle that contains the cell's DNA is the nucleus. The DNA is organized in masses called

Messenger RNA transfers information:

Which of the following represents a recessive homozygous individual:

If you placed an animal cell in a hypertonic solution, what would happen to the cell?

Which of the following structures makes it possible to leave behind fingerprints?

What is the function of the rough endoplasmic reticulum?

What is considered the template strand in transcription?

HESI-A2-Chemistry

HESI-A2-Math

HESI-A2-Vocabulary

HESI-A2-Reading

HESI-A2-Grammar

HESI-A2-Physics

HESI-A2-Anatomy & Physiology

Filters