Biology 171 - Study guides, Class notes & Summaries

Biology 171 Final Exam 2023

1. List the characteristics that all living organisms have; describe how biologists distinguish living organisms from non-living entities. Characteristics of all living organisms: ● Has potential to reproduce ● Responds to environmental stimuli ● Composed of 1 or more cells ● Contain genetic material (DNA) and can replicate their genetic material ● Made up of organic molecules (contain C) and water based ● Populations of this entity evolve ● Obtain energy and materials fro...

BIOLOGY 171 FINAL, Questions and answers. Graded A+ dietary source statistically associated with primarily liver cancer and secondarily to breast cancer ethanol puts nicks on both sides of a strand of DNA that contains chemically altered nitrogenous bases repair endonuclease creates abasic sites upon cytosine oxidation uracil-DNA glycosylase substance found abundantly in "red-haired" individuals that radicalizes upon uv irradiation to cause continued damage to DNA in the dark dopaq...

BIOLOGY 171 FINAL, Questions and answers. Graded A+ dietary source statistically associated with primarily liver cancer and secondarily to breast cancer ethanol puts nicks on both sides of a strand of DNA that contains chemically altered nitrogenous bases repair endonuclease creates abasic sites upon cytosine oxidation uracil-DNA glycosylase substance found abundantly in "red-haired" individuals that radicalizes upon uv irradiation to cause continued damage to DNA in the dark dopaq...

Portage Learning BIOD 171 Microbiology Lecture Exam 2023 Key 1-6 Portage Learning BIOD 171 Microbiology Lecture Exam 2023 Key 1-6 Portage Learning BIOD 171 Microbiology Lecture Exam 2023 Key 1-6

Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 Latest with verified and complete solutions/100% correct

1. True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses. 2. What is the smallest biological unit of life? A cell. 3. At a generalized level, all cells are comprised of what? Macromolecules* *A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they must answer with all four ...

Lecture 1: Characteristics of life, genetic material,3 domains, and the tree of life List the characteristics that all living organisms have; describe how biologists distinguish living organisms from non-living entities Living things are - Complex, made up of cells - With spatial organization on a scale - Respiration - Ability to respond to stimuli (change in response) - To obtain energy from their surroundings - The ability to evolve (adapt) - Populations can evolve over generations ...

Portage Learning BIOD 171 Microbiology Lecture Exam VERIFIED Key 1-6.

● Autosome: ○ Any chromosome not considered as a sex chromosome, or is not involved in sex determination. ○ It occurs in pairs in somatic cells and singly in sex cells (gametes) ● Bivalent: ○ a pair of homologous chromosomes. ● Drosophila melanogaster: ○ a species of fruit Fly much used in genetics because of the large size of its chromosomes. ● Epistasis (gene x gene interaction): ○ refers to genetic interactions in which one gene modifies the effects of another gen...