Double helix - Study guides, Class notes & Summaries

Campbell Biology, 11e (Urry) Chapter 1 Evolution, the Themes of Biology, and Scientific Inquiry 1.1 Multiple-Choice Questions 1) Cells are . A) only found in pairs, because single cells cannot exist independently B) limited in size to 200 and 500 micrometers in diameter C) characteristic of eukaryotic but not prokaryotic organisms D) characteristic of prokaryotic and eukaryotic organisms Answer: D Bloom's Taxonomy: Knowledge/Comprehension Section: 1.1 2) In comparison to eukaryot...

Adaptation- - correct answersThe adjustment or changes in behavior, physiology, and structure of an organism to become more suited to an environment. Aerobic- - correct answersA process that requires oxygen. Allele -An alternative form of a gene. An example would be genes that encode eye color—some encode blue eyes (one allele), while others encode brown, green, or hazel eye colors (other alleles). - correct answers amino acids - - correct answersA small organic molecule with the stru...

Most of the cell membrane's specific functions are controlled by: - Proteins Alcoholic Fermentation is a form of: - Anaerobic Respiration Phagocytosis is a form of: - Endocytosis What is a pyruvate? - Pyruvate is an important chemical compound in biochemistry. It is the output of the metabolism of glucose known as glycolysis. One molecule of glucose breaks down into two molecules of pyruvate, which are then used to provide further energy, in one of two ways. What are the small spher...

MTTC Integrated Science (Secondary) Questions Answers 2023 Graticule slide marked with grid line, useful for counting or estimating a quantity Preparing acid solutions Always add acid to 2/3 water, then add rest of water # of Animal species over 1 million species and about 30 divisions # of insects 800,000 species, half of animal kingdom Characteristics of animal kingdom muliticellular, heterotrophic, reproduce sexually, do not have cell walls or chloroplasts, c...

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...

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...

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...

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 ...

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...

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...