HESI A2 V2 BIOLOGY TEST 1 EXAM QUESTIONS

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HESI A2 V2 BIOLOGY TEST 1 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -25 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: During which phase of cell reproduction do the cell's chromosomes line up along the middle of the cell?Metaphase Prometaphase Prophase Cytokinesis

Answer:

Metaphase Question 2: The sum of all chemical reactions that occur in an organism is: Metabolism Cellular respiration Cytokinesis Synthesis

Answer:

Metabolism Cellular respiration is a catabolic pathway.Synthesis is the creation of something.Cytokinesis is the second process associated with cell division

Question 3: What are the two catabolic pathways that lead to energy production in a cell?Anaerobic and cellular respiration Cellular respiration and fermentation Fermentation and anaerobic respiration Combustion and fermentation

Answer:

Cellular respiration and fermentation Question 4: In his genetic experiments, Mendel used: pea plants apple trees basil plants cherry trees

Answer:

pea plants

Question 5: 3

Which of the following makes it possible to predict genotype and phenotype of the offspring of sexual reproduction?

ELISA PCR Punnett square Mendel square

Answer:

Punnett square Question 6: Which of the following correctly identifies the difference between saturated and unsaturated fats?Saturated fats contain two or more double bonds in their hydrocarbon tail, while unsaturated fats contain only one double bond.There is no difference between saturated and unsaturated fats.Unsaturated fats contain one or more double bonds in their hydrocarbon tail, while saturated fats contain no double bonds.Saturated fats contain one or more double bonds in their hydrocarbon tail, while unsaturated fats contain no double bonds.

Answer:

Unsaturated fats contain one or more double bonds in their hydrocarbon tail, while saturated fats contain no double bonds.Saturated fats contain no double bonds in their hydrocarbon tail.Unsaturated fats contain one or more double bonds in their hydrocarbon tail.

Question 7: Which organelle is correctly paired with its function?

Nucleus - stores DNA Peroxisome - cellular respiration Endoplasmic reticulum - locomotion Mitochondria - protein synthesis

Answer:

Nucleus - stores DNA

Question 8: How are plant cells different from animal cells?

Plant cells have a cell wall; Animal cells do not have a cell wall Plant cells contain mitochondria; Animal cells contain chloroplasts Plant cells have membrane-bound organelles; Animal cells do not have membrane-bound organelles Plant cells have a nucleoid region; Animal cells have a defined nucleus

Answer:

Plant cells have a cell wall; Animal cells do not have a cell wall

Question 9: Which of the following microtubules can be used to move the cell?

Flagella Filaments Centrioles Centrosomes

Answer:

Flagella Question 10: The molecule that is used as the energy currency of the cell is which of the following?Adenosine triphosphate (ATP) Flavin adenine dinucleotide (FAD) Nicotinamide adenine dinucleotide (NADH) Adenosine diphosphate (ADP)

Answer:

Adenosine triphosphate (ATP)

Question 11: 1

Transcription is:

synthesizing DNA from mRNA synthesizing peptides from mRNA synthesizing tRNA from mRNA synthesizing mRNA from DNA

Answer:

synthesizing mRNA from DNA Question 12: In the hierarchic system of classification, which of the following is least inclusive?Order Class Phylum Family

Answer:

Family Most inclusive- Kingdom Least inclusive- Species

Question 13: Which of the following about carbohydrates is incorrect?

They are polymers of sugars.Their most important functions are providing storage, structure, and energy.

They contain only two elements: carbon and oxygen.

They form the backbone of important molecules such as DNA and RNA.

Answer:

They contain only two elements: carbon and oxygen.

Carbohydrates are polymers (long chains) of sugars.They perform many functions, but the most important functions are providing storage, structure, and energy.Carbohydrates form the backbone of important molecules, including DNA and RNA.Carbohydrates are made up of carbon, hydrogen, and oxygen.

Question 14: Where in the cell does active transport take place?

Chloroplast Plasma membrane Mitochondria Nucleus

Answer:

Plasma membrane

Question 15: Which of the following is the fundamental unit of biology?

Atom Nucleus Cell Carbohydrates

Answer:

Cell