Usabo exam - Study guides, Class notes & Summaries

USABO Exam Prep Questions And Revised Correct Answers | Updated What enzyme does HIV use to convert RNA to DNA? - ANSWER : Reverse Transcriptase The promoter region of a prokaryotic gene is located ______ to the gene and is the binding site for ______. - ANSWER : 5'...RNA polymerase Which of the following is TRUE of prokaryotes? I. Simultaneous transcription and translation II. Presence of intron sequences III. Circular DNA - ANSWER : I and III only Integral transmembrane pr...

Mycorrhizae correct answersSymbiotic organisms (aka symbionts) with plants that live on their roots, helping the plant gain nutrients Nerve net correct answersA nervous system that moves neural signals in all directions from the stimuli, found in invertebrates like hydra Malpighian tubules correct answersTubes in an insect that help with osmoregulation and excretion; they move waste into the main gut for removal. "Kidneys" of arthropods, they absorb ammonium and convert it into uric acid...

year notes USABO Exam Questions And Answers axon hillock - ANS the cone-shaped area on the cell body from which the axon originates -trigger zone hyperopia - ANS A condition in which visual images come to a focus behind the retina of the eye and vision is better for distant than for near objects -- called also farsightedness. axon hillock has high concentration of what voltage gated pumps - ANS sodium and potassium how to calculate membrane potential - ANS the outs...

USABO Open Exam 2023 Questions And Answers.

Eukaryote correct answersAn organism whose cells contain complex structures enclosed within membranes. The defining membrane bound structure thats sets them apart from prokaryotic cells is the nucleas or nuclear envelope within which the genetic material is carried. All species of large complex species are eukaryotes, including animals, plants and funghi. Euchromatin correct answersThis shows as pale areas in the nucleas under electro magnification. It is a less densly packed form of chromati...

USABO EXAM|867 QUESTIONS WITH VERIFIED ANSWERS

USABO Exam Questions and Answers (Graded A)USABO Exam Questions and Answers (Graded A)USABO Exam Questions and Answers (Graded A) Hydroxyl Group - ANSWER - -OH, polar Carbonyl Group - ANSWER - C=O, polar Carboxyl Group - ANSWER - -COOH, polar

USABO Exam with correct Answers

USABO semi-final part A&B Questions and Answers 100% Correct. 1) The recent SARS virus is a: a) Lentivirus b) Coronavirus c) Egtved virus d) Baculovirus e) Retrovirus 2) Which of the following cell organelles is typically identified by its sedimentation coefficient? a) Golgi apparatus b) Mitochondria c) Nucleus d) Nucleolus e) Ribosome 3) Timber companies plant trees right after clear-cutting. Which of the following ecological and/or evolutionary processes would, in principle, take...