Biol 180 (BIOL180)

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 7 Part 1 of 5 - Chapter 16 36.0 Points Question 1 of 33 3.0 Points In invertebrates, circulatory fluid simply bathes the internal organs directly; what is this known as?  A. Complete circulatory system  B. Open circulatory system  C. Partial circulatory system  D. Closed circulatory system Feedback:Great job. Question 2 of 33 3.0 Points The heart is an example of what type of muscle tissue? A. skeletal  B. cardiac  C. smooth  D. fibrous Feedb...

Quiz 6 Part 1 of 6 - Chapter 13 24.0 Points Question 1 of 33 3.0 Points What type of prokaryote obtains its energy from chemical compounds?  A. chemotroph  B. phototroph  C. photoautotroph  D. heterotroph Feedback:Great job. Question 2 of 33 3.0 Points Which organelle appears to have come from bacteria?  A. Golgi apparatus B. ribosomes  C. nucleus  D. vacuole  E. mitochondria Feedback:Great job. Question 3 of 33 3.0 Points Fungi include all...

Quiz 5 Part 1 of 5 - Chapter 9 39.0 Points Question 1 of 33 3.0 Points How long would the peptide be that is translated from the mRNA sequence: 5’- AUGAUCGAUCACUAA-3’?  A. 2  B. 3  C. 4  D. 5  E. 1 Feedback:Great job. Question 2 of 33 3.0 Points How is it possible that multiple sites of DNA replication can exist inside the cell? A. there are not multiple sites of replication  B. genes are replicated quickly, so there are usually >4 of one gene at...

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 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...

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 1 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 scientific method  C. The right hypothesis  D. A journal article Feedback:Great job. Question 2 of 33 3.0 Points Which is a single cell that lacks membrane bound organelles?  A. Prokaryote B. Nucleolus  C. Ribosomes...