Double helix - Study guides, Class notes & Summaries

The process of DNA replication requires that each of the parental DNA strands be used as a ____________ to produce a duplicate of the opposing strand. (a) catalyst (b) competitor (c) template (d) copy - CORRECT ANSWER-(c) template DNA replication is considered semiconservative because __________________________________. (a) after many rounds of DNA replication, the original DNA double helix is still intact. (b) each daughter DNA molecule consists of two new strands copied form the...

Chem 210 Module 6 Exam 2024 Newest Questions and Answers (Verified Answers) In DNA, adenine always pairs with ________. - Thymine - Guanine - Uracil - Cytosine - Thymine DNA is built from which of the following? - Nucleosides - Genes - Purines - Nucleotide - Codons - Nucleotide The double helix of DNA is stabilized mainly by __________. - Ionic bonds - Covalent bonds - Ion-dipole bonds - Hydrogen bonds - Hydrogen covalent bonds - Hydrogen bonds Which of the following...

1. Which statement regarding the sodium-potassium pump is correct? 1. The cell’s plasma membrane is more soluble to sodium ions than potassium ions. 2. The concentration of sodium ions should be higher inside the cell compartment. 3. The concentration of potassium ions should be higher outside the cell compartment. 4. The active transport involves pumping out three sodium ions and pumping in two potassium ions. 2. What is the process in which glucose is used to create energy? 1. Autol...

ANATOMY AND PHYSIOLOGY TEST 1/2/3/4/5/6/7 QUESTIONS AND ANSWERS LATEST UPDATED 2023. How can such a weak bond like hydrogen bond work to make DNA such a stable molecule? - ANSWER hydrogen bonds bond DNA into its double-helix structure by holding together the base pairs in the middle; they cause molecules to fold and coil into precise threedimensional shapes which elements are found in organic molecules? - ANSWER carbon, hydrogen, and oxygen acid - ANSWER proton donor base - ANSWER proton ac...

Exam 1: BIOS 252 / BIOS252 (2024/ 2025 Update) Anatomy and Physiology II Exam Review| Guide with Questions and Verified Answers| 100% Correct| Rated A -Chamberlain Q: Enzymes and their function -type of protein, chemical catalysts help chemical reaction occur Chamberlain Q: List and describe the chemical structure/components of DNA Answer: -Used as the cell's "master code" for assembling proteins -uses deoxyribose as sugar and A, T(not U), C, and G as bases -form...

Lab Report Format Expectations Utilize college level grammar and professional formatting when completing this worksheet. Pre-Lab Questions 1. Identify two differences between the composition of DNA and RNA. DNA takes the form of a double helix and is often described as looking like a long, twisted ladder with rungs. RNA is single stranded and shorter than DNA . It can fold back on itself due to hydrogen bonding to form a stem loop structure. 2. Suppose you are performing an experiment in ...

Biology Proctored Exam Penn Foster Questions and Answers Already Passed What is the primary function of mitochondria in eukaryotic cells? To produce ATP through cellular respiration Which molecule carries genetic information from DNA to the ribosome for protein synthesis? mRNA (messenger RNA) What is the basic unit of structure and function in all living organisms? The cell In which phase of mitosis do the chromosomes line up in the center of the cell? Metaphase What type...

EXAM 1 BIOS 242- CHAMBERLAIN ALREADY PASSED DNA is replicated in the ___ nucleus RNA is replicated in the ___ cytoplasm what is the first step in viral replication? penetration/adhesion (attaches to membrane using spikes) what is the second step in viral replication? uncoating what is the third step in viral replication? replication what is the fourth step in viral replication? assembly what is the fifth step in viral replication? maturation what is the sixth step in viral replication? r...

NIU Bios 209 Final Exam-King Questions with Verified Solutions **Biology and Ecology** What term describes the characteristics of a system that arise from the interactions among its components, but cannot be predicted by studying the components in isolation? Emergent properties. What is a continuous piece of DNA within a cell called, which can exist as a line or loop/circle? A. Mitochondrial DNA B. Chromosome C. Nucleotide D. Gene E. DNA helix B. Chromosome Defin...

Penn Foster Biology Chapter 10 Questions and Answers Rated A+ What is the main function of DNA in cells? To store and transmit genetic information that guides the development and functioning of organisms. What are the building blocks of DNA called? Nucleotides. What are the three components of a nucleotide? A phosphate group, a sugar molecule, and a nitrogenous base. What is the structure of DNA known as? A double helix. Which bases are paired together in DNA? Aden...