Carbon backbone - Study guides, Class notes & Summaries

What is the name for the ability of living things to maintain a relatively constant internal environment? - Homeostasis Eliminate as many alternative hypotheses as possible - Using both a treatment and a control group Eliminate the possibility of bias - "Blinding" both the researcher and the participants Assure that the sampled group represents the population as a whole - Using groups as large as possible A well stated ___ allows a researcher to make a/an ____ which can then be tes...

DNA is negatively charged because a. the ribose sugars of DNA are positively charged b. the ribose sugars of DNA are negatively charged c. the nitrogenous bases are negatively charged d. the phosphate backbone of DNA is negatively charged e. DNA is not acidic : d. the phosphate backbone of DNA is negatively charged DNA replication is a. semi-conservative b. dispersive c. conservative d. error prone : a. semi-conservative Define DNA helicase : unwinds DNA; that is, breaks the hydrog...

A heterodimer represents what level of protein structure? correct answers Quaternary Dopamine is most likely to induce signal transmission by action on which portion of a neuron? correct answers Post synaptic membrane Where do neurotransmitters function to induce signal transmission? correct answers Post synaptic membrane What is the difference between passive and facilitated diffusion? correct answers In passive diffusion, particles diffuse across a membrane from high to low concentrat...

MMSC 491 EXAM 1 /WELL STRUCTURED QUESTIONS AND CORRECT ANSWERS 2024/2025 GRADED A+. 2 / 6 1. Epigenetic: Changes in phenotypeHeritable Not due to changes in DNA sequence DNA methylation or histone modification 2. Collective term for all different DNA molecules within a cell or organism: - Genome 3. DNA protein complex: Chromosome 4. How many DNA molecules does a male have? female have?: Male 25Female 24 5. Single ring based on carbon and nitrogen atoms C,T: Pyrimidine 6. Double rin...

Bio 103 Chapter 2 & 3 Test Questions and Answers 100% Pass What scientific discipline explores the intricate chemistry and physics of biological molecules? Biochemistry What type of compounds lack a carbon backbone in their molecular structure? Inorganic compounds What is the fundamental substance that cannot be broken down into simpler components through ordinary chemical reactions? Elements Each element has a unique identifier. What is the term for this identifier? ...

BIO 120 - CMB 155 Chapters 1-5 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED What is a macromolecule? molecules made from smaller joining subunits What are the building blocks of macromolecules? monomers How are macromolecules synthesized (made)? dehydration synthesis Dehydration Synthesis A chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule. How are macromolecules/polymers broken down? Hydrolysis Hydrolysis Brea...

smallest unit of chemical elements - Answer-atoms two or more atoms combined - Answer-molecules two or more elements combined in a fixed ration - Answer-compound ... are 4 elements that make up 96% of all living matter - Answer-C, O, H, N what is the strongest bond? - Answer-covalent bond sharing of electrons by two atoms - Answer-covalent transfer of electrons between two atoms - Answer-ionic what is a weak bond? - Answer-hydrogen bond the H atom forms one covalent bond and a second wea...

MCAT Biology Practice Questions With Complete Solutions. the chemical reaction that breaks down all the major macro-molecules - CORRECT ANSWER Hydrolysis What is the strongest type of INTER-molecular bonds? - CORRECT ANSWER Hydrogen bonds are the strongest intermolecular bonds.... diople-dipole bonds are weaker. . . Vander wall bonds are the weakest. Why is water a liquid at high temperatures? - CORRECT ANSWER Hydrogen bonding bonds the water molocules closer together. What is an ...

AQA A-level Biology paper 1 test Questions with Answers Graded A+ large molecules often contain carbon. why? - ️️ -they can readily form bonds with other carbon atoms. this forms a 'backbone'. other atoms can then attach. describe benedicts test for reducing sugars - ️️ -add equal volumes of the sugar sample and benedicts reagent. heat the mixture in a water bath for 5 minutes. brick red precipitate will form. what is a reducing sugar? - ️️ -a sugar that can reduce (give el...

the chemical reaction that breaks down all the major macro-molecules Hydrolysis What is the strongest type of INTER-molecular bonds? Hydrogen bonds are the strongest intermolecular bonds.... diople-dipole bonds are weaker. . . Vander wall bonds are the weakest. Brainpower Read More 0:00 / 0:15 Why is water a liquid at high temperatures? Hydrogen bonding bonds the water molocules closer together. What is an ampipathic molecule? give an Example. A molecule with both ...