Biol180 - Study guides, Class notes & Summaries

BIOL 180 Quiz 5 Questions with Answers Latest Update Graded A+ - American Public University. Part 1 of 5 - Chapter 9 39.0 Points Question 1 of 33 3.0 Points Which two parts of the nucleotide covalently bond to each other to form the backbone of DNA?  A. phosphate and oxygen  B. phosphate and nitrogen  C. sugar and phosphate  D. sugar and nitrogen Feedback: Great job. Question 2 of 33 3.0 Points What are the three components needed for protein synthesis?  A. mRNA,...

Quiz 8 Part 1 of 5 - Chapter 20 30.0 Points Question 1 of 33 3.0 Points Because the desert has extreme temperatures and a shortage of water, what type of net primary productivity does it have?  A. low  B. medium  C. high  D. productive Feedback:Great job. Question 2 of 33 3.0 Points Temperature and precipitation are examples of what in an environment? A. essential factor  B. abiotic factor  C. living factor  D. biotic factor Feedback:Great job. Q...

Quiz 2 Part 1 of 5 - Chapter 2 42.0 Points Question 1 of 33 3.0 Points What is the capacity of a substance to withstand rupture when placed under tension or stress?  A. covalent bond  B. cohesion  C. solvent  D. adhesion  E. surfact tension Feedback:Great job. Question 2 of 33 3.0 Points Which particles reside in the nucleus of an atom? A. proton and neutron  B. neutron and electron  C. electron, proton and neutron  D. electron and proton Feed...

Quiz 3 Part 1 of 6 - Chapter 3 24.0 Points Question 1 of 33 3.0 Points Which model best describes the observations and functions of the plasma membrane?  A. nuclear envelope  B. fluid mosaic model  C. cell membrane  D. phospholipid bilayer Feedback:The model describes the plasma membrane as a fluid combination of phospholipids, cholesterol, proteins, and carbohydrates. Review the cell membrane in Chapter 3. Question 2 of 33 3.0 Points A phospholipid bilayer with embe...

BIOL180 Quiz 2 Quiz 2 Part 1 of 5 - Chapter 2 42.0 Points Question 1 of 33 3.0 Points What is the capacity of a substance to withstand rupture when placed under tension or stress?  A. covalent bond  B. cohesion  C. solvent  D. adhesion  E. surfact tension Feedback:Great job. Question 2 of 33 3.0 Points Which particles reside in the nucleus of an atom?

BIOL180 Quiz 4 Quiz 4 Part 1 of 6 - Chapter 6 24.0 Points Question 1 of 33 3.0 Points Which type of human cells contain a half set of chromosomes (often written as n)?  A. nucleus  B. gamete  C. genome  D. chromosome Feedback:Great job. Question 2 of 33 3.0 Points What is the phase that not all cells enter, but is a phase where cells are not actively dividing?  A. G1  B. S  C. G2  D. G0 Feedback:Great job. Question 3 of 33 3.0 Points In diplo...

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 researcher can successfully and reliably reach a conclusion for an observation. Review the nature of scie...

Quiz 4 Part 1 of 6 - Chapter 6 24.0 Points Question 1 of 33 3.0 Points Which type of human cells contain a half set of chromosomes (often written as n)?  A. nucleus  B. gamete  C. genome  D. chromosome Feedback:Great job. Question 2 of 33 3.0 Points What is the phase that not all cells enter, but is a phase where cells are not actively dividing?  A. G1 B. S  C. G2  D. G0 Feedback:Great job. Question 3 of 33 3.0 Points In diploid organisms, chrom...

Quiz Submissions - Quiz 5 Written: Jan 10, 2021 11:38 PM - Jan 11, 2021 12:22 AM Submission View Your quiz has been submitted successfully. Question 1 What is a DNA mutation? Question options: a change to the RNA sequence of an individual a method to keep all individuals of a species the same a permanent change in the DNA sequence a mistake in the DNA sequence that can be fixed Hide Feedback Great job. Question 2 What direction do the two strands of DNA run? ...