Classes of prokaryotes - Study guides, Class notes & Summaries

5′ cap - A modified form of guanine nucleotide added onto the 5′ end of a pre-mRNA molecule. A site - One of a ribosome's three binding sites for tRNA during translation. The A site holds the tRNA carrying the next amino acid to be added to the polypeptide chain. (A stands for aminoacyl tRNA.) ABC hypothesis - A model of flower formation identifying three classes of organ identity genes that direct formation of the four types of floral organs. abiotic - Nonliving; referring to the ...

Bio 181 practice Exams 120 Questions with Verified Answers Which of the following are NOT effective for mastering new ideas and forming long-term memories that can be accessed and used months or even years later? (choose ALL) A. Concentrating intense studying to the hours before an exam. B. sleep C. reading and re-reading the textbook chapters and notes several times D. practicing remembering ideas and vocabulary through self-quizzing E. elaboration: putting ideas in your own words and...

Module 2 Exam Practice 113 Questions with Verified Answers What does RNA Pol I transcribe? - CORRECT ANSWER rRNA What does RNA Pol II transcribe? - CORRECT ANSWER mRNA snRNA What does RNA Pol III transcribe? - CORRECT ANSWER tRNA rRNA snRNA What is wrong with this definition of a gene? "A gene consists of DNA sequences that encode a single polypeptide" - CORRECT ANSWER 1. Not all genes are DNA sequences (RNA viruses) 2. Not all RNA molecules encode for a single polypeptide L...

BIO 205 LECTURE EXAM 1 Questions With 100% Correct Answers Describe Spontaneous Generation and Biogenesis. - answerSpontaneous Generation was discovered by Aristotle that new life comes from non-living inanimate material; biogenesis is that living organisms are required to produce new life. How was Spontaneous Generation disproved? - answerLouis Pasteur developed a special flask in 1864 with a curved neck that allowed air in, but would trap any microorganisms. Pasteur's flask was free fr...

Cell and molecular biology Gerald Karp 7th edition Actual Exam Questions With Answers Robert Hooke - ANSWER- 1665 - English Microscopist - Studied cork. 1st to describe cell; called chambers in corks cells (cellular) since they reminded him of cells occupied by monks living in a monastery; They were actually empty cell walls, the remains of dead cells. Anton van Leeuwenhoek - ANSWER- () Dutch; first to describe living single cells 200 years later - ANSWER- 1830s Full & widespread of imp...

BCHM 102 Exam Questions and Answers 100% Pass What are the 4 classes of macromolecules? - Correct Answer️️ -carbohydrates, lipids, proteins, nucleic acids Proteins are considered... - Correct Answer️️ -the workhorse of the cell Describe the "central dogma" of molecular biology. - Correct Answer️️ -The central dogma of molecular biology is that information is transferred from DNA to RNA to protein. Information is stored in the genes of the DNA, which is replicated and transc...

Which of the following statements about archaea is FALSE? A) They are prokaryotes. B) Some produce methane from carbon dioxide and hydrogen. C) They lack peptidoglycan in their cell walls. D) Some are thermoacidophiles; others are extreme halophiles. E) They evolved before bacteria. - CORRECT ANSWER-E) They evolved before bacteria. Which of the following characterizes the Domain Bacteria? A) prokaryotic cells; ether linkages in phospholipids B) complex cellular structure...

atom basic unit of matter molecule chemical structure consisting of at least 2 atoms held together by a chemical bond cell fundamental unit of life organelle compartment inside the cell that contain specific groups of macromolecules and carry out specific cellular functions microorganisms single celled life form tissue formed when many different kinds of cells work together to fulfill the same detailed function organs collections of tissues that w...

TEST BANK FOR BIOCHEMISTRY, 9TH EDITION, MARY K. CAMPBELL, SHAWN O. FARRELL, OWEN M. MCDOUGAL Chapter 01 - Biochemistry and the Organization of Cells 1. How do the molecules that play a role in living cells compare to those encountered in organic chemistry? a. They are the same, just operating in a different context. b. Biological molecules are organic molecules, but the similarity ends there. c. Biological molecules aren't similar to organic molecules at a...

TEST BANK FOR Campbell Biology 9th Edition Glossary A+GRADED 2023. 5′ cap - A modified form of guanine nucleotide added onto the 5′ end of a pre-mRNA molecule. A site - One of a ribosome's three binding sites for tRNA during translation. The A site holds the tRNA carrying the next amino acid to be added to the polypeptide chain. (A stands for aminoacyl tRNA.) ABC hypothesis - A model of flower formation identifying three classes of organ identity genes that direct formation of ...