HESI A2 VS BIOLOGY TEST 3 (Latest 2025 Update) Download To Score An A

HESI A2 VS BIOLOGY TEST 3 (Latest 2025 Update) Download To Score An A Question: What type of bond forms between base pairs in DNA? hydrophobic hydrogen phosphodiester glycosidic Answer:. hydrogen Question: Transcription takes place: in the nucleus in the endoplasmic reticulum in the cytoplasm in the vacuole Answer:. in the nucleus Question: Which of the following correctly represents a heterozygous individual? Hh hH hh HH Answer:. Hh Question: What are alleles? different variants of the same genes segments of DNA containing codes for specific functions in the body cells that have a double set of chromosomes the genetic composition of a living organism Answer:. different variants of the same genes Question: In the hierarchic system of classification, which of the following is most inclusive? Phylum Order Species Genus Answer:. Phylum Question: Which of the following best describes why polarity is the most important characteristic of water? The benefits of polarity are hydrogen bonding, a high specific heat value, weak cohesive and adhesive properties, and its versatility as a solvent. The benefits of polarity are covalent bonding, a high specific heat value, strong cohesive and adhesive properties, and its versatility as a solvent. The benefits of polarity are hydrogen bonding, a low specific heat value, strong cohesive and adhesive properties, and its versatility as a solvent. The benefits of polarity are hydrogen bonding, a high specific heat value, strong cohesive and adhesive properties, and its versatility as a solvent. Answer:. The benefits of polarity are hydrogen bonding, a high specific heat value, strong cohesive and adhesive properties, and its versatility as a solvent. Question: Which of the following about phospholipids is incorrect? The phosphate group is charged. Phospholipids are important in the function of cellular membranes. Phospholipids consist of two fatty acids bonded to a phosphate group. The phosphate group in phospholipids is nonpolar and non-soluble in water. Answer:. The phosphate group in phospholipids is nonpolar and non-soluble in water. Question: Which of the following biologic molecules are components of the molecules of inheritance? Lipids Proteins Carbohydrates Nucleic acids Answer:. Nucleic acids Question: What are the two categories of fatty acids? Trans fat and unsaturated fat Saturated and unsaturated fat Steroids and enzymes Phospholipids and polyunsaturated fats Answer:. Saturated and unsaturated fat Question: Metabolic reactions in a cell progress from a standpoint of ________. low energy to high energy moderate energy to decreased energy moderate energy to increased energy high energy to low energy Answer:. high energy to low energy Question: The cell membrane is composed of which of the following? A bilayer of phospholipid molecules A wall of cholesterol and phospholipids A single layer of phospholipid molecules A rigid layer of cytoskeleton Answer:. A bilayer of phospholipid molecules Question: Many cells uptake food through the cell membrane creating a food vacuole in a process known as phagocytosis photosynthesis osmosis cytokinesis Answer:. phagocytosis Question: If a substance is moving across a plasma membrane against the concentration gradient, what type of transport is required? Diffusion Passive transport Active transport Osmosis Answer:. Active transport Question: Of the following choices, choose the best description of a prokaryotic cell: Contains chromosomes, ribosomes, a plasma membrane and is enclosed in a cell wall Contains a nucleus, cytosol, and cytoplasm but lacks a plasma membrane and cell wall Contains a nucleoid region without chromosomes, cytoplasm and is enclosed in a cell wall Lacks a cell wall and organelles but contains chromosomes, a plasma membrane and is enclosed in a capsule Answer:. Contains chromosomes, ribosomes, a plasma membrane and is enclosed in a cell wall Question: Cells with a high rate of protein synthesis generally have a large number of: Mitochondria Ribosomes Lysosomes Vacuoles Answer:. Ribosomes Question: Which of the following organelles are responsible for producing energy for the cell? Mitochondrion and chloroplast Nucleus and chloroplast Chloroplast and cellular membrane Nucleus and mitochondrion Answer:. Mitochondrion and chloroplast Question: Which of the following best describes the function of the Golgi apparatus? Transport proteins from the endoplasmic reticulum throughout the cell Break down proteins, fats, sugars, and nucleic acids inside of the cell. Store food, nutrients, and waste. Translate RNA into proteins. Answer:. Transport proteins from the endoplasmic reticulum throughout the cell Question: Which step in cellular respiration involves the oxidation of NADH molecules to produce oxygen and water? Glycolysis The Calvin cycle The Krebs cycle Electron transport chain Answer:. Electron transport chain Question: Which of the following equations represents the simplified chemistry behind cellular respiration? 6CO2 + 6O2 + ATP → C6H12O6 + 6H2O C6 H12O6 + 6O2 → 6CO2 + 6H2 O + ATP C6H12O6 + 6CO2 + Light energy → 6O2 + 6H2O 6CO2 + 6H2O + Light energy → C6H12O6 + 6O2 Answer:. C6 H12O6 + 6O2 → 6CO2 + 6H2 O + ATP Question: What are the two primary products of photosynthesis? Water and oxygen Sugar and carbon dioxide Sugar and oxygen Water and carbon dioxide Answer:. Sugar and oxygen Question: Which of the following occurs during binary fission? The chromosomes bind to the plasma membrane. The chromosomes gather along the metaphase plate. Chromatids separate into individual chromosomes and pull apart towards opposite ends of the cell The homologous pairs of chromosomes exchange bits of DNA in a process called crossing over. Answer:. The chromosomes bind to the plasma membrane. Question: During which phase of cell reproduction do the cell's chromosomes become visibly separate with each duplicated chromosome having two sister chromatids? Prophase Prometaphase Cytokinesis Metaphase Answer:. Prophase Question: Gametes are formed by which process? Cytokenesis Meiosis Mitosis Binary fission Answer:. Meiosis Question: How do the results of sexual reproduction differ from asexual reproduction? In asexual reproduction one parent cell divides into two identical daughter cells; in sexual reproduction, two cells contribute genetic material resulting in significantly greater variation. In asexual reproduction two cells contribute genetic materials resulting in significantly greater variation; in sexual reproduction, one parent cell divides into two identical daughter cells. In asexual reproduction one parent cell produces two haploid daughter cells; in sexual reproduction, two cells contribute genetic material producing two diploid cells. In asexual reproduction one parent cell produces two haploid daughter cells; in sexual reproduction, two cells merge to create a parent cell. Answer:. In asexual reproduction one parent cell divides into two identical daughter cells; in sexual reproduction, two cells contribute genetic material resulting in significantly