Talaro Foundations in Microbiology, Chapter 009 Quiz Bank Q & A GRADED A+ 2023

Talaro Foundations in Microbiology, Chapter 009 Quiz Bank Q & A GRADED A+ 2023 The study of heredity is known as what? correct answers Genetics The complete set of chromosomes and genes in an organism is known as what? correct answers Genome DNA complexed with protein constitutes the genetic material and is known as what? correct answers Chromosomes Bacterial chromosomes are: a. a double circular loop b. a single circular loop correct answers b Eukaryotic chromosomes are: a. Multiple and linear b. Singular and linear correct answers a Chromosome is subdivided into______, the fundamental unit of heredity responsible for a given trait correct answers Genes Genes that code for proteins are known as what? correct answers Structural genes Genes that control gene expression are known as what? correct answers Regulatory genes Three basic categories of genes: 1. Genes that code for_______ 2. Genes that code for______ 3. Genes that control_______ correct answers 1. Proteins 2. RNA 3. Gene expression All types of genes that constitute the genetic makeup are known as what? correct answers Genotype The expression of the genotype creates observable traits and is known as what? correct answers Phenotype The smallest virus approximately has how many genes? correct answers 4-5 genes A single chromosome containing 4,288 genes; 1 mm; 1,000X longer than cell is known as what? correct answers E. coli The Human cell contains: a. 47 chromosomes, 33,000 genes; 8 feet;, and is 300,000X longer than a cell b. 46 chromosomes, 31,000 genes; 6 feet;, and is 180,000X longer than a cell correct answers b Basic unit of DNA structure is known as a what? correct answers Nucleotide Each nucleotide consists of how many parts? correct answers 3 What has two strands twisted into a double helix? correct answers DNA Name the four nitrogenous bases? correct answers 1. adenine 2. guanine 3. thymine 4. cytosine Each nucleotide consists of 3 parts which are: A ____sugar A______group A_____base correct answers 1.) 5 carbon 2.) phosphate 3.) nitrogenous Nucleotides: a. covalently bond to form a sugar-phosphate backbone b. ionically bond to form a sugar-phosphate backbone correct answers a Which is correct? a. Each strand provides a template for the exact copying of a old strand b. Each strand provides a template for the exact copying of a new strand correct answers b