HESI A2 BIOLOGY LATEST 2023-2024 REAL EXAM 100 QUESTIONS AND CORRECT ANSWERS

Which of the following is not true of mitosis?

A. Mitosis produces daughter cells

B. Mitosis has five main stages

C. Mitosis can only be done by haploids

D. Following mitosis, daughter cells are identical to parent cells

C. Mitosis can only be done by haploids

2. In meiosis, the chromosome number is reduced from:

A. 46 to 23

B. 46 to 33

C. 28 to 14

D. 24 to 12

A. 46 to 23

Cellular respiration takes place in which of the following?

A. Golgi apparatus

B. Mitochondrion

C. Chloroplast

D. Ribosome

B. Mitochondrion

Which of the following is the term used to represent two alleles that are the same type?

A. Homosynchronous

B. Hypersynchronous

C. Heterozygous

D. Homozygous

D. Homozygous

What percentage of the parents' offspring is predicted to have a cleft chin?

A. 25%

B. 50%

C. 0%

D. 75%

B. 50%

Which of the following options identifies the products of cell respiration?

A. Water, carbon dioxide, and oxygen

B. Glucose and oxygen

C. Water, carbon dioxide, and adenosine triphosphate (ATP)

D. Water, glucose, and oxygen

C. Water, carbon dioxide, and adenosine triphosphate (ATP)

Which stage of mitosis is occurring when the nuclear envelope begins to disappear and the 

chromosomes begin to attached to the spindle that is forming along the axis of the cell?

A. Prometaphase

B. Metaphase

C. Anaphase

D. Prophase

D. Prophase

In the hierarchic organizational system, which of these is the most restrictive category?

A. Genus

B. Class

C. Kingdom

D. Species

D. Species

Water is a polar molecule that can be:

A, cohesive and corrosive

B. cohesive and adhesive

C. electrostatic and ionic

D. repellent and attractive

B. cohesive and adhesive

What is considered the main objective of the translation stage of protein synthesis?

A. To produce amino acids

B. To produce nucleotides

C. To produce fatty acids

D. To produce nucleic acids

A. To produce amino acids

Prokaryotic cells lack which of the following?

A. A cell membrane

B. Genetic material

C. Cytoplasm

D. Membrane bound organelles

D. Membrane bound organelles

Proteins are polymers of 20 molecules called:

A. Amino acids

B. Phospholipids

C. Carbohydrates

D. Fatty acids

A. Amino acids

Which of the following statements is true if a molecule has adhesion?

A. Two molecules of the same substance have the ability to stay bonded to one another

B. The molecule has the ability to bond to or attract other molecules

C. A molecule has the ability to increase its heat when necessary

D. The molecule has the ability to form hydrogen bonds

B. The molecule has the ability to bond to or attract other molecules

Which of the following statements is most accurate regarding the transcription of DNA?

A. RNA uses reverse transcriptase to make mRNA

B. DNA uses mRNA to produce tRNA

C. RNA creates a duplicate copy of DNA

D. RNA copies DNA to produce mRNA

D. RNA copies DNA to produce mRNA

What are the two types of cells in biology?

A. Ribosomes and lysosomes

B. Mitochondria and chloroplasts

C. Nucleic and protein

D. Prokaryotic and eukaryotic

D. Prokaryotic and eukaryotic

Which two items react during cellular respiration?

A. Glucose and water

B. Carbon dioxide and water

C. Carbon dioxide and oxygen

D. Glucose and oxygen

D. Glucose and oxygen