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BIOLOGY HESI A2 V1 -ELSEVIER EDITION 5 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -30 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Which organ secretes bile?
Answer:
Liver Question 2: Why is the phospholipid structure of the cell membrane so important for cell function?
Answer:
It forms a semipermeable membrane that protects the cell while allowing certain molecules to pass in and out of the cell Question 3: Variations of a gene that determine a person's genotype are called:
Answer:
Alleles Question 4: If two parents are heterozygous for the same trait, what is the probability that the dominant trait will be expressed in the offspring?
Answer:
75%
Question 5: All actions of the nervous system depend on the transmission of nerve impulses over which of the following cells?
Answer:
Neurons
Question 6: Which type of energy conversion takes place during photosynthesis?
Answer:
Solar energy is converted into chemical energy
Question 7: Which structures are the functional units of the kidney?
Answer:
Nephrons Question 8: Which leukocytes are correctly matched with their function or description?1) Monocytes- becomes macrophages 2) Lymphocytes- responsible fir important in immune responses 3) Neutrophils- phagocytize mucroorganisms
Answer:
All of them Question 9: What are the levels of organization of the human body from least complex to most complex?
Answer:
Cells < tissues < organs < systems Question 10: Which organelle serves as the site of energy production eukaryotic cells?
Answer:
Mitochondria Question 11: What characteristics allows water to resist changed in temperature?
Answer:
High specific heat
Question 12: Which bone is in the axial skeleton?
Answer:
Sacrum Question 13: You have been given a tissue sample that has open spaces surrounded by partially filled by a lattice an assemblage of needle like structures.What type of tissue does this describe?
Answer:
Spongy bone Question 14: What type of molecular bonding occurs between bass pairs on a DNA strand?
Answer:
Hydrogen
Question 15: Which term refers to the neck?
Answer:
cervical Question 16: Which term refers to the division of a single cell into two separate daughter cells at the end of mitosis?
Answer:
Cytokinesis Question 17: If one parent has the genotype BB, and the other parent has the genotype bb, what is the probability that the offspring will inherit the dominant trait?
Answer:
100% Question 18: Which type of skin glands are the glands of skin that produce thin watery secretion?
Answer:
Eccrine glands
Question 19: Which biomolecules are composed of long chains of sugars?
Answer:
Carbohydrates Question 20: Which type of tissue serves as a framework of the body by providing support and structure for the organs?
Answer:
Connective Question 21: Which is the type of blood vessel where exchanges take place between blood and the cells of the body?
Answer:
Capillary
Question 22: Most chemical reactions are catalyzed by which type of molecules?
Answer:
Proteins
Question 23: What is the name of the resting phase of a cell?
Answer:
Interphase Question 24: Which mineral plays a major and is responsible for regulating fluid in the body?
Answer:
Sodium
Question 25: In order for inhalation to occur, what must happen?
Answer:
Contraction of the diaphragm, which enlarges the chest cavity and draws air into the lungs Question 26: Which of the following correctly describes the function of the phospholipid membrane?
Answer:
It forms a semipermeable membrane that protects the cell while allowing certain molecules to pass in and out of the cell.
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