BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 18, Problem 10SA
A ribozyme consists of ___________.
| a. clay | c. DNA |
| b. lipids | d. RNA |
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Chapter 18 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 18 - An abundance of___________ in Earths early...Ch. 18 - The first interval of Earths existence is called...Ch. 18 - The prevalence of ironsulfur cofactors in...Ch. 18 - Miller and Urey created a reaction chamber that...Ch. 18 - RNA in ribosome catalyzes formation of peptide...Ch. 18 - By one hypothesis, clay________. a. facilitated...Ch. 18 - Photosynthesis carried out by one group of...Ch. 18 - Mitochondria are most closely related to...Ch. 18 - The presence of ozone in the upper atmosphere...Ch. 18 - A ribozyme consists of ___________. a. clay c. DNA...
Ch. 18 - A rise in oxygen in Earths air and seas set the...Ch. 18 - Which of the following was not present by the end...Ch. 18 - The first chloroplasts evolved from ___________....Ch. 18 - During the Precambrian, _______. a. atmospheric...Ch. 18 - Arrange these events in order of occurrence, with...Ch. 18 - Researchers looking for fossils of the earliest...Ch. 18 - Rickettsia bacteria always live as parasites...
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- Which polysaccharide is usually found in the cell walls of fungi? a. starch b. glycogen c. chitin d. cellulosearrow_forwardWhy are ribosomes important because they help to: a. Read mRNA sequwnces and bind together amino acids b. For phosphodiester bonds between nucleotides c. Form hydrogen bonds between DNA Strands d. Package DNA moleculesarrow_forwardMembers of the mycoplasma genus of bacteria do not have a cell wall for protection, existing with only a simple cell membrane made up of fatty acids and phospholipids. They cannot however, synthesize their own fatty acids. How is this possible? A. They use host materials B. They use peptidoglycan from other bacteria C. They use anabolism as a way to create their outer membrane D. They use amino acids to build their membranesarrow_forward
- The cell wall of bacteria is composed ofa. lipopolysaccharide.b. phospholipids.c. cellulose.d. peptidoglycan.e. protein capsomers.arrow_forwardPlant cell wall is characterized with having A. Cellulose B. chitin C. Peptidoglycan D. Glycogenarrow_forwardWhich polysaccharide is usually found in the cell wall of fungi? a. starch b. glycogen c. chitin d. cellulosearrow_forward
- A biochemist observes a molecule composed of RNA and protein, which acts to create chains of amino acids. Which of the following terms best describes such a molecule? A. Ribozyme B. Ribonucleotide C. Ribosome D. Enzymearrow_forwardThe structure where amino acids are put together in order to make proteins is the ________________. a. Nucleus b. Mitochondria c. Ribosome d. Endoplasmic reticulumarrow_forwardGive written answer with explanation and conclusion Antibiotics that target the bacterial ribosome have less side effects on humans because: (a) bacterial ribosomes are larger (b) bacterial ribosomes make proteins that humans do not make (c) bacterial ribosomes contain only sugar residues (d) bacterial ribosomes are smaller answers (a) and (b)arrow_forward
- The carbon-to-nitrogen bond that joins amino acids together is called a.a glycosidic bond. b.a peptide bond. c.a hydrogen bond. d.a double bond.arrow_forwardThe _____ A. Nucleic acid B. Protein C. Carbohydrate D. Lipid DNA is made up of monomers called _____? A. Amino acids B. Nucleotides C. Monosaccharidesarrow_forwardThe sugars in DNA and RNA ____. a. have different numbers of oxygen atoms b. are the two components of sucrose c. have the same structural formulas d. have a different number of carbon atoms e. are disaccharidesarrow_forward
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