Carbon backbone - Study guides, Class notes & Summaries

AQA A-level Biology paper 1 Exam Questions Containing 134 Terms with Certified Answers . Terms like: Large molecules often contain carbon. why? - Answer: they can readily form bonds with other carbon atoms. this forms a 'backbone'. other atoms can then attach.

Already Passed Nucleus Acts like the brain of the cell. Helps control eating, movement, and reproduction. Cell Membrane Holds all of the cell pieces and fluids inside the cell and keeps any nasty things outside the cell. The holes are there to let some things move in and out of the cell Mitosis The process where a single cell divides resulting in generally two identical cells, EACH containing the SAME number of chromosomes and genetic content as that of the original cell. Meiosis ...

Are the R groups non polar, polar, or it depends on the type of amino acid? depends How many amino acids are there? How many are essential? How many are nonessential? 20 total. 10 essential. 10 nonessential. What basic elements are usually found in all carbohydrate examples? Carbon, hydrogen, oxygen Fructose and Glucose are very similar but what is the difference? Fructose has 5 rings Glucose has 6 rings Which molecule or elements are missing from maltose versus ...

AQA A-level Biology paper 1 Questions and 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 electrons to) another chemical. descr...

Why are fats important in cooking and in the body? Correct Answer-In cooking, they provide flavor, texture, appearance, and are emulsifiers. In the body, they insulate, serve as an energy source, are part of the cell membrane, and can be made into cholesterol for bile production. Are lipids organic? Correct Answer-Yes What are the three general categories of lipids? Correct Answer-Triglycerides, phospholipids, and sterols Describe the parts of a triglyceride. Correct Answer-1 glycerol...

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...

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...

Biochemistry WGU OA 2022 Questions With Answers. Amino Acid backbone consists of Ans - 1. amino group 2. carboxyl group 3. alpha carbon 4. R group Amino group: looks likes/consists of Ans - NH3+ Carboxyl group looks like/consists of Ans - cooAlpha carbon looks like/consists of Ans - CH The three Amino acid categories Ans - 1. hydrophobic (nonpolar) 2. polar 3. charged Hydrophobic Amino Acids Ans - non polar afraid of h20 usually in the middle/core of the protein contains H + C... C-C...

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...