Freshy

HESI BIOLOGY (NURSE HUB TESTS 1-5) EXAMS QUESTIONS AND ANSWERS In the hierarchic system of classification, which of the following is least inclusive? - Answer- family Which of the following best describes the molecular structure of water? - Answer- Two hydrogen atoms covalently bonded to one oxygen atom Which of the following about carbohydrates is incorrect? They contain only two elements: carbon and oxygen. They are polymers of sugars. Their most important functions are providing...

BIOLOGY HESI 2025 EXAM QUESTIONS AND ANSWERS What is the typical result of mitosis in humans? - Answer- Two diploid cells How does water affect the temperature of living things? - Answer- Water keeps temperature stable. Which is NOT a product of the Krebs Cycle? - Answer- Oxygen What kind of bond connects sugar and phosphate in DNA? - Answer- Covalent bond What is the second part of an organism's scientific name? - Answer- Species How are lipids different than other organic ...

HESI A2 (BIOLOGY) ELSEVIER EXAM Q’S & A’S Why is polarity the most important characteristic of water? - Answer- The results of the polarity are hydrogen bonding, a high specific heat value, and its versatile solvent properties. Athletes are often concerned with the question of what they need in their diets to increase muscle mass and strength. What biologic molecule would you recommend that would accomplish this? - Answer- Proteins Which organelle would you expect to be present in a...

Chamberlain College Hesi A2 Biology Practice Exam Q’S & A’S What type of molecular bonding occurs between base pairs on a DNA strand? - Answer- Hydrogen What is the name of the "resting" phase of a cell? - Answer- Interphase 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. Variations of a gene that determine...

HESI BIOLOGY EXAM QUESTIONS AND ANSWERS within the biologic hierachic system of organization, which of the following is the LEAST inclusive? - Answer- Species Hypothesis - Answer- In the scientific process, which of the following is a statement or explanation of certain events or happenings? Why is polarity the most important characteristic of water? - Answer- hydrogen bonding, a high specific heat value, and it's versatile solvent properties. Cohesion - Answer- The ability of a m...

HESI A2 Biology Questions and Answers which of the following properties of water causes water droplets to form beads on surfaces, such as on a leaf? a) adhesion b) specific heat c) surface tension d) ability to dissolve substances - Answer- c) surface tension: pulls together the molecules on the surface of water, forcing them to form a sphere, or bead which of the following polymers is created by joining amino acids? a) DNA b) lipid c) protein d) carbohydrate - Answer- c) prote...

HESI BIOLOGY EXAM Q’S AND A’S What is the magnification of an ocular lens on a microscope? - Answer- 10X What part of the microscope is the slide going to be placed on? - Answer- Stage All humans have how many pairs of chromosomes? - Answer- 23 What holds the genetic code for each person? - Answer- DNA What is DNA made of? - Answer- nucleotides The plasma membrane is made of how many phospholipid layers? - Answer- 2 (Bilayer) How is oxygen transported through blood or bo...

HESI A2 EXAM BIOLOGY 2025 QUESTIONS AND ANSWERS Classification System - Answer- Kingdom, Phylum, Class, Order, Family, Genus, Species (King Phillip Came Over For Great Spaghetti) What are the steps to the scientific method? - Answer- observation, hypothesis, experiment, conclusion Hypothesis - Answer- a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation. Chemical Makeup of Water - Answer- 2 hydrogens covalently b...

HESI BIOLOGY EXAM QUESTIONS AND ANSWERS The purpose of flagellum is - Answer- propulsion Magnification for standard ocular lens is - Answer- 10x _______ acts as a barrier and protection for plant cells - Answer- cell wall The aerodynamic nature of a bird's wing is an example of - Answer- structure and function Sperm and egg have - Answer- haploid Find mRNA sequence for DNA sequence CAGCTAAG? - Answer- GUCGAUUC What part of a light microscope is the slide placed? - Answer-...

HESI A2 BIOLOGY EXAM QUESTIONS AND ANSWERS How many chromosomes do sperm and egg produce in meiosis? - Answer- 23 How many chromosomes do sperm and egg produce in mitosis? - Answer- 46 What helps the cell shape and cell to adapt? - Answer- cytoskeleton What gives the cell the ability to move and proper? - Answer- microtubules What is the main component of blood plasma? - Answer- water What is the first step in metabolism of food to cellular energy? - Answer- glycolysis What ...

Hesi A2 Biology Questions and Answers Which organelle is responsible for protein synthesis? - Answer- Ribosome Why is yeast used to make bread rise? - Answer- Yeast carries out fermentation, producing ethanol and carbon dioxide How is mitosis different from meiosis? - Answer- Meiosis creates sex cells with half the # of chromosomes of the parent cell where as mitosis creates cells that are exact copies of each other, down to the number of chromosomes What can be altered? - Answer- DN...

HESI A2 EXAM BIOLOGY QUESTIONS AND ANSWERS Which of the following is a correct description of metaphase during mitosis? A) The nuclear envelope disappears and the chromosomes begin to attach to the spindle that forms along the axis of the cell. B) Chromosomes gather on either side of the now separating cell. C)Chromosomes start to separate. D) Chromosomes align along the center of the cell. - Answer- D) Chromosomes align along the center of the cell. Where can ribosomes be found ins...

HUMAN BIOLOGY EXAM QUESTIONS AND ANSWERS BUNDLE PACKAGE

HUMAN BIOLOGY CHAPTER 6 QUESTIONS AND ANSWERS What are the five things that blood transports? - Answer-Oxygen Nutrients Wastes Carbon Dioxide Hormones What does blood defend against? - Answer-Invasion by pathogens What are the three regulatory functions of the blood? - Answer-Body Temperature Water-Salt Balance Body pH What type of tissue is blood? - Answer-Fluid Connective Tissue What are the three formed elements produced in red bone marrow? - Answer-Red blood cells Whit...

HUMAN BIOLOGY PRINCIPLES EXAM Q’S AND A’S Tissue fluid formation (RECAP) - Answer-- Formed from blood plasma (it is not blood) - Plasma js forced from blood at arterial end of capillary in to intrastital compartment >certain molecules & electrolytes dissolved in the plasma also move - Cells pick & choose molecules & electrolyres they need from the tissue fluid in the intrastital area - Cells deposit their unwanted materials in tissue fluid eg > ATP >...

HUMAN BIOLOGY 175-CHAPTER 1 EXAM QUESTIONS AND ANSWERS What are the Characteristics of Life? - Answer-1)Living things have a different molecular composition than nonliving things do. 2) Living things require energy and raw materials 3) Living things are composed of cells 4) Living things maintain Homeostasis 5) Living things respond to their external environment 6) Living things grow and reproduce 7) Populations of living things evolve What are the molecules of life? - Answer--Protei...

Human Biology- Nervous System Exam Questions and Answers Function of nervous system - Answer-Integrates and coordinates the body's acitivities Divisions - Answer-1) Central Nervous System (CNS)- brain and spinal cord 2) Peripheral Nervous System (PNS)- all of the nervous tissue outside the CNS Composition: 2 types of specialized cells - Answer-1) Neurons: nerve cells- transmit signals 2) Neuroglial: Support cells Nuerons - Answer-Nerve cells. Transmit signals. Excitable cells ...

HUMAN BIOLOGY FINAL EXAM QUESTIONS AND ANSWERS The atomic mass of an element represents the - Answer-mass of protons & neutrons A bond formed when 2 atoms share electrons is a - Answer-covalent bond A substance that releases H+ iron and decreases the pH when added to water is a - Answer-base A pH of 8 indicates that a solution is - Answer-basic Regulation of body temperature, pH and electrolytes within an organism are an example of - Answer-homeostasis The smallest unit of life...

ATAR 11 Human Biology - Unit 1 EXAM Questions and Answers Golgi body - Answer-Modifies proteins and packages them in vesicles for secretion from the cell Cell membrane - Answer-Determines which substances get into and out of the cell Cytoplasm - Answer-The jellylike material that makes up much of a cell inside the cell membrane Centrioles - Answer-Involved in the reproduction of the cell (mitosis) Endoplasmic reticulum - Answer-Provides a surface on which chemical reactions can oc...

HUMAN BIOLOGY UNIT 3 EXAM Q’S AND A’S What is collected by the nervous system? - Answer-sensory information from receptors in contact with the internal and external environment What do motor responses lead to - Answer-muscular contractions or glandular secretions what is the nervous system made up of - Answer-central nervous system and peripheral nervous system what do sensory pathways do - Answer-carry nerve impulses from receptors to the CNS and keep the brain in touch with wha...