Biology Penn Foster 2024 ACTUAL EXAM QUESTIONS AND VERIFIED ANSWERS /GET IT 100% ACCURATE|ALREADY GRADED A+

Biology Penn Foster 2024 ACTUAL EXAM QUESTIONS AND VERIFIED ANSWERS /GET IT 100% ACCURATE|ALREADY GRADED A+ Practice questions for this set Terms in this set (232) Learn 1 / 7 Study with Learn A modification that makes organisms more suited to their environment Cells are the smallest unit of life The correct order of biological organization Population, community, ecosystem, biosphere Adaptation A modification that makes organisms more suited to their environment Archaea The life domain whose members live in very harsh environments, such as salt lakes and hot springs Choose matching term 1 In embryonic development, a process called ( ) gives rise to what will become the central nervous system 2 Which of of the following functional groups is associated with fatty acids? 3 Adaptation 4 Besides carbon dioxide, the other end product of cellular respiration is Don't know? 12/13/24, 12:32 PM Biology Penn Foster 2024 ACTUAL EXAM QUESTIONS AND VERIFIED ANSWERS /GET IT 100% ACCURATE|ALREADY GRA… During a scientific experiment, the control group is identical to the experimental group in all areas except the variable being tested. Proton A subatomic particle that has a positive charge and that is found in the nucleus of an atom octet rule The concept that states: When an atom has two or more electron shells, the outer shell will be most stable if it contains eight electrons When two oxygen atoms join together what is formed Molecule The ( ) bond is s type of atomic bond in which atoms share electrons to produce a completed outer shell Covalent The polarity of water molecules causes them to be attracted to one another by a ( ) bond Hydrogen As the number of hydrogen ions in a solution increases, the pH of the solution Decreases During winter only the upper surface of a lake freezes, which allows for life to persist below the surface. Which of water's unique properties is responsible for this phenomenon? Lower density as ice The most abundant element by weight in the human body is Oxygen The polysaccharide structural carbohydrate most commonly used by living things is Cellulose Which of of the following functional groups is associated with fatty acids? Carboxyl 12/13/24, 12:32 PM Biology Penn Foster 2024 ACTUAL EXAM QUESTIONS AND VERIFIED ANSWERS /GET IT 100% ACCURATE|ALREADY GRA… The hard body parts of insects and crabs are composed of a polysaccharide called Chitin Cell membranes are composed mainly of which type of lipids? Phospholipids ( ) proteins are made of polypeptide chains folded into rounded compact shapes Globular When joined by a dehydration reaction, the covalent bond between the carboxyl groups of two amino acids is called a ( ) bond Peptide The sugar in RNA is Ribose Within cells, the synthesis of proteins occurs in the Ribosomes What is the main function of the mitochondria? Producing ATP