Bio 235 exam - Study guides, Class notes & Summaries

Helicase - Unwinds DNA in both directions Gyrase - topoisomerase that relieves supercoiling ahead of replication fork Single Stranded Binding proteins do what? - Stabilize single stranded DNA Primase - Enzyme that makes RNA primers DNA polymerase cannot? - Reconstruct the 5' end of a DNA strand this poses problems for linear chromosome integrity Telomeres - Repetitive DNA sequences TTAGGG -no protein coding -binds two types Two types of proteins that binds in telomeres - ...

BIO 235 Exam 1 Questions With Verified Answers While undergoing mitosis, the ____ is the central regio on DNA that connects sister chromatids Centromere Homologous chromosome pairs...? have a chromosome from mother and father, synapse during prophase of meiosis 1, same genes but different alleles, pair of sister chromatids during prophase meiosis 1 What stage of the cell cycle does DNA replication occur in preparation for division? S phase What is one defining difference bet...

EXAM #3 BIO 235 ATHABASCA NEWEST VERSION ACTUAL QUESTION AND CORRECT DETAILED VERIFIED ANSWERS FROM VERIFIED SOURCES RATED A GRADE.

Robert Koch - Father of microbiology, identified germ causing TB Louis Pasteur - discredited spontaneous generation, proposed Germ theory, "Microorganisms are responsible for infectious diseases Antoine von Leeuonhoek - created the first microscope; first to see microbes/bacteria Robert Hooke - coined the term "cell" Spontaneous Generation Theory - the theory that living organisms can rise from nonliving things binomial nomenclature - Classification system in which each species...

Bio 235 Exam II Questions With 100% Correct Answers Complementary Gene Action Genes working in tandem to produce a particular trait. Duplicate Recessive Epistasis 9:7 ratio, either allele can mask another hypostatic gene's expression. Complementation Mutation in both genes work together to produce a different expected phenotype. Noncomplementation Mutations occur in the same gene to produce the same phenotype. When do two genes assort independently? When they are located on different...

Bio 235 Midterm 1 Exam Questions with Complete Solutions What are the 4 types of cells - ANSWER neuronal, muscle, epithelial, and connective tissue Which two cells are excitable? - ANSWER neurons and muscle cells What are the 3 types of muscle cells? - ANSWER Skeletal (voluntary) Cardiac (involuntary) Smooth (involuntary) Which of the following descriptions INCORRECTLY describes the tissue type? A) Muscle tissue is specialized for contraction and genera...

Bio 235 Exam II Questions With 100% Correct Answers Complementary Gene Action Genes working in tandem to produce a particular trait. Duplicate Recessive Epistasis 9:7 ratio, either allele can mask another hypostatic gene's expression. Complementation Mutation in both genes work together to produce a different expected phenotype. Noncomplementation Mutations occur in the same gene to produce the same phenotype. When do two genes assort independently? When they are located on different...

BIO 235 Exam 1 Questions With Verified Answers 2024/2025 Microbiology is the study of? - answermicroorganisms Prokaryotes are organisms that lack; - answerlack a nucleus and other organelles. Eukaryotes have - answernucleus and membrane bound organelles Bioremediation involves the use of microbes to; - answerreduce pollution through the biological degradation of pollutants into non-toxic substances. Four benefits of microbes; - answercontribute to digestion, produce vitamin K, promote de...

Independent assortment - Correct Answer-Genes assort independently of each other when they are on opposite chromosomes Linkage - Correct Answer-Two genes on a single pair of homologs; exchange occurs between two non-sister chromatids Chiasmata - Correct Answer-Location of exchange of information between chromatids

BIO 235 Exam 1 Questions With Verified Answers 2024/2025 Microbiology is the study of? - answermicroorganisms Prokaryotes are organisms that lack; - answerlack a nucleus and other organelles. Eukaryotes have - answernucleus and membrane bound organelles Bioremediation involves the use of microbes to; - answerreduce pollution through the biological degradation of pollutants into non-toxic substances. Four benefits of microbes; - answercontribute to digestion, produce vitamin K, promote de...