False ribose - Study guides, Class notes & Summaries

Organisms require ___ and nutrients to maintain themselves, grow, and reproduce. - Answer energy Organisms require energy and ___ to maintain themselves, grow, and reproduce. - Answer nutrients T/F: All ions are atoms - Answer True T/F: Free radicals are dangerous because they emit energy. - Answer False T/F: Hydrogen ions are indicated by a pH scale. - Answer True T/F: Hydrogen ions are in blood. - Answer True A ___ can help keep the pH of a solution stable. ...

ADVANCED PLACEMENT (AP) BIOLOGY: Dna And Rna Structure 56 Questions Correctly Answered | 100% Rated Question 1 Which of the following characteristics is NOT seen in both DNA and RNA? Possible Answers: Adenine A double helix A pentose sugar Read in the 5'-to-3' direction Correct answer: A double helix Question 2 A section of mRNA is composed of 28% guanine bases. What percentage of the RNA strand is cytosine bases? Possible Answers: More information is needed in or...

Which strand is produced more rapidly? Okazaki fragment Lagging strand Leading strand 3' 5' - ️️Leading strand Which sugar is present in RNA? - ️️Ribose In the ribosome, what is the name of the bond that links one amino acid to the next? - ️️Peptide bond RNA synthesis, also called RNA transcription occurs in three phases. List them from beginning to end in order. - ️️Initiation, elongation, termination In DNA, what does the nucleotide labeled as A pair with? - ...

True or False: For every kinase there is an equal and active phosphatase correct answer: True Name one example of a protein signal correct answer: Epinephrine Name one small molecule signal correct answer: Acetylcholine or cortisol What are three essential parts of a signaling cascade? correct answer: Initial signal, Binding, and Termination How is a signal turned off? correct answer: Phosphorylate/Dephosphorylate or signal degradation What is a second messenger? correct answ...

__________ is a measure of the randomness or disorder of a system. - ️️Entropy A filamentous organelle comprised of tubulins with a diameter of 25 nm is called - ️️Microtubule A newly discovered microorganism has a circular chromosome that is complexed with histones, but not enclosed within a membrane. The plasma membrane lipids include glycerol dietethers and diglycerol tetraethers. There are no mitochondria or chloroplasts, but the cells do contain 70s ribosomes. This microbe most li...

A purebred plant that produces yellow seeds is crossed with a purebred plant that produces green seeds. The seeds of all of the offspring are yellow. Why? A) The yellow allele is recessive to the green allele. B) All of the offspring are homozygous yellow. C) The yellow allele is dominant to the green allele. D) The alleles are codominant. - Answer-C) The yellow allele is dominant to the green allele. A purebred plant that produces yellow seeds is crossed with a purebred plant that produce...

What are macronutrients? Ans carbohydrates, fats, proteins that our diet requires relatively large amounts. What are mirconutrients? Ans vitamins and minerals that our diet requires small amounts Function of macronutrients Ans provides energy to fuel the body & building blocks to grow and repair the body. Function of micronutrients Ans Help perform essential functions in the body. DOES NOT provide energy! What are calories? Ans Units of heat that measure the energy used by the body and ...

Test Bank Memmlers Structure and Function of the Human Body 12th Edition Cohen Chapter 01: Introduction to the Body MULTIPLE CHOICE 1. The word derived from two word parts that mean ―cutting apart‖ is a. physiology b. homeostasis c. anatomy d. dissection ANS: C DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 2. The study of how the body functions is called a. physiology b. homeostasis c. anatomy d. dissection ANS: A DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 3. The correct seq...

If Evelyn eats a fat-free diet, where does fatty acid (FA) synthesis occur? a. Muscle and kidney b. Liver and adipose c. Intestine and Pancreas d. All of the Above - Liver and adipose What is the major source of carbons for fatty acid synthesis if Evelyn eats a fat-free diet? a. Endogenous fatty acids b. Exogenous TAG c. Fatty Acids from adipose tissue d. Dietary Glucose - Dietary Glucose What enzyme controls the synthesis of Malonyl CoA during fatty acid synthesis if Evelyn eats a fat...

In the double helix structure of nucleic acids, cytosine hydrogen bonds to a. deoxyribose b. guanine c. ribose d adenine e. thymine b Which of the following statements regarding enzyme function is false? a. Enzymes are very specific for certain substrates. b. An enzyme's function depends on its three-dimensional shape. c. Enzymes are used up in chemical reactions. d. An enzyme binds to its substrate at the enzyme's active site. e. Enzymes emerge unchanged from the reactions they ca...