Eukaryote diversity - Guides d'étude, Notes de cours & Résumés

What important functions do the following play in a cell: cytoplasmic membrane, ribosomes, cell wall? - ANS - cytoplasmic membrane: it is a permeable layer that separates the inside of the cell. - ribosomes: the cell's protein-synthesizing structures. - cell wall: lends structural strength to a cell (PLANT CELLS HAVE, ANIMALS DON'T) (pp. 2) If microbial life had not evolved, would you be here today? Give one good reason of why or why not. - ANS - In the absence of microo...

BIO 345 Test 2with Accurate Answers Drag each statement to the correct box to indicate whether or not it is a contention of the neutral theory of molecular evolution. - Answer-Contention of the Natural Theory: - Most of the genetic variation that persists long enough to be measured in a population is neutral. - Most evolutionary substitutions that persist long enough to be measured in a population are neutral. Not a contention of the natural theory: - The ratio of silent to nonsilent c...

Biology Chapter 18 Practice Test 44 Questions with Verified Answers In the case of E. coli, the bacterium may need to synthesize tryptophan, or its host, a human, may supply all the tryptophan it needs. Why do both bacteria and humans need tryptophan? A) It is an important enzyme in the glycolysis pathway. B) It is one of the 20 amino acids used by all organisms to synthesize proteins. C) It is an important constituent of cell walls in both humans and bacteria. D) Tryptophan induces the ...

Bio 106 Final Exam What are Bacteria and Archaea both? - ANS prokaryotes whose DNA is not contained within a nucleus. What are characteristics of bacteria? - ANS -small, structurally simple and single-celled -3 shapes: coccus (spherical), bacillus (rod-shaped), and spirillum (spiral) -widespread, abundant, diverse -most either harmless or beneficial What are some esesential ecological roles that many bacteria have? - ANS -decomposers -cycle nutrients -form p...

NVCC BIO 101 Exam 1 061N Questions and Verified Detailed Answers | Already Graded A+ Biological organization - atom, molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere Prokaryote - a small unicellular organism that lacks a nucleus and membrane bound organelles; bacteria and archaea Eukaryote - a cell (or often multiple cells) with a nucleus and membraneenclosed organelles that have specified functions What creates unity in t...

Biology 210- genetics final exam Questions with Correct and Verified Answers. Graded A+ define gene - Correct Answer a segment of DNA that codes for a functional product that influences a phenotype (mostly proteins, sometimes RNA)" "define mutation - Correct Answer changes in DNA that lead to a new or altered genes/ train, and ends up contributing to evolution" "describe conjagation (type of horizontal gene transfer) - Correct Answer conjugation: relies on physical contact b...

UNH BIOL412 exam 2 Questions Answered Correctly (Already Passed) Describe the different species concepts and the limitations of each one - Answers Morphological - similar physical traits limits- some species look very different/ some different species look similar Biological - ability to breed and reproduce limits- doesn't apply to asexual organisms or organisms that are dead/ not able to show breeding patterns Ecological - organisms that adapt to the environment limits- populations...

SCIN 132- Week 1 Exam Questions with Verified Solutions Rated A+ _______ is an example of an organism that must ingest chemical sources of energy - Answers A cat What is the main difference between a prokaryote and a eukaryote? - Answers Eukaryotes have membrane-bound organelles and Prokaryotic do not. _____is the highest level of organization on the planet - Answers Biosphere The diversity of life is classified into multiple groups. Which is the proper order of these groups from the simples...

BIOL 180 Quiz 1 2023/24 100% CorrectBIOL 180 Quiz 1 2023/24 100% Correct Part 1 of 5 - Part 1: Text Material 36.0 Points Question 1 of 33 3.0 Points What process do scientists use as a way to perform research with defined steps that include experiments and careful observation? • A. A clean lab bench • B. The right hypothesis • C. The scientific method • D. A journal article Feedback:The scientific method is a tested series of steps so that a resea...

BIOL 180 Quiz 1 2023/24 100% Correct | Also Available in Package DealBIOL 180 Quiz 1 2023/24 100% Correct Part 1 of 5 - Part 1: Text Material 36.0 Points Question 1 of 33 3.0 Points What process do scientists use as a way to perform research with defined steps that include experiments and careful observation? • A. A clean lab bench • B. The right hypothesis • C. The scientific method • D. A journal article Feedback:The scientific method is a teste...