Ribozyme - Study guides, Class notes & Summaries

The two polynucleotide chains in DNA are held together primarily by H bonds between A and U as well as between G and T? a. True b. False correct answers B (DNA does not have Uracil, it has Cytosine) If there is 12% of A in a DNA molecule, then the % of G must be? a. 12% b. 30% c. 368 d. 76% e. none of these are correct correct answers E (A=T and C=G, A+G/T+C=1) The catalytic molecule responsible for making a peptide bond during translation (protein synthesis) in cells is? ...

Which of the following can bind to ncRNAs? a. DNA b. RNA c. Proteins d. Small molecules e. All of the above correct answersE. All of the above When an ncRNA functions as a decoy, it: a. contains binding sites for many different proteins, thereby promoting the formation of a large complex. b. recognizes other ncRNAs and sequesters them, thereby preventing them from working. c. can alter its conformation, allowing it to switch between active and inactivate conformations. d. may physic...

A catalyst composed of RNA is called a(n) . Ans: ribosymes The combination of all reactions (catabolic + anabolic) within a cell is termed . Ans: Catabolism A catalyst composed of RNA is called a(n) . Ans: ribozyme Most enzymes are a functional type______(a type of macromolecule). Ans: protein An enzyme acts as a biological _____that alters the rate of a reaction without being changed by the reaction. Ans: catalyst The _____ is the term for a specific molecule on which an enzyme acts...

an RNA molecule that has catalytic activity? correct answers is a ribozyme living organisms capable of synthesizing all their need organic molecules using CO2 as its sole carbon sources are classified as? correct answers autotrophs the atmosphere inside the Miller and Urey volcanic apparatus was described chemically as? correct answers a reducing atmosphere with little reactive oxygen molecules ribosomes are a universally present organelle in all cells and are primarily composed of whic...

Molecular Cell Biology EXAM 1 Questions And Answers Latest Top Score. The cell theory - correct answer. -All living organisms are made up of one or more cells. -the cell is the fundamental unit of structure and function in all living organisms. -all cells are essentially the same in chemical composition. The central dogma - correct answer. The flow of genetic information in all living cells. -DNA>RNA>PROTEIN -replication>transcription>translation Po...

GCD 2024 Exam Questions with Correct Answers Robertsonian Translocations - Answer-In Robertsonian Translocations the long arms of two acrocentric chromosomes have fused. 1/900 live human births display Robertsonian translocations One example of a Robertsonian translocation is Familial Down Syndrome DNA FISH on Familial Down Syndrome - Answer-Down Syndrome affects 1/700 births About 5% of Down Syndrome is Familial Down Syndrome (1/14,000 births) The translocation is always bet...

Cell Theory correct answers 1. All organisms are composed of one or more cells 2. The cell is the basic unit of all living organisms 3. Cells are not created, but come from existing cells common ancestor correct answers cells have evolved from a _____________ ______________ 4 basic macromolecules that cells are comprised from: correct answers 1. Nucleic acids 2. Proteins 3. Lipids 4. Carbohydrates Requirements for the formation of a cell: correct answers 1. organic molecules 2. mo...

reduction ~ Gain of electrons by an atom or molecule with a concurrant storage of energy: in biological systems, the electrons are accompanied by hydrogen ions ribozyme ~ RNA molecule that can catalyze chemical reactions substrate ~ reactant in a reaction controlled by an enzyme vitamin ~ essential requirments in the diet, needed in small amounts. vitamins are often part coenzyme oxidation-reduction reaction ~ a paired set of chemical reactions in which one molecule gives ...

Cell Biology: Chapter 6 vocab Promoter - answerthe sequence of deoxynucleotides that indicate the starting point for RNA synthesis Polysome - answerformed when multiple ribosomes translate a single mRNA transcript Two Prime - answerthe hydroxl group attachment site on an RNA Four - answerthe number of RNA molecule binding sites present in a single ribosome complex Three Prime - answerthe amino acid is attached to this end of the tRNA Uracil - answerin RNA, adenine can base pair by hydrog...

Microbiology StraighterLine unit 1 Questions with 100% Verified Answers acellular microorganisms - viruses -protein and nucleic acid, viroids - RNA satellites -nucleic acid with a protein shell prions- protein Agricultural Microbiology - relationships between microbes and domesticated plants and animals Alexander Fleming - discovered penicillin Algae are - photosynthetic and produce oxygen, foundation of aquatic food chains amino acids - building blocks of proteins antitox...