Bio 120 Study guides, Class notes & Summaries
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Micro Bio 120 Exam 1 Questions with Correct Answers 100% Solved
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Micro Bio 120 Exam 1 Questions with 
Correct Answers 100% Solved 
True or False: 
The plasma membrane and most other membranes are composed of a lipid bi-layer in which 
integral proteins are buried. True 
True or False: 
Procaryotic cells are usually smaller than eucaryotic cells. True 
True or False: 
Most procaryotes have strong cell walls that give them shape. True 
The significance of the plasma membrane is that: 
A) It selectively allows some molecules to pass into the organism 
B) It pr...
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BIO 120 Exam 1 Questions with Complete Solutions 2024
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BIO 120 Exam 1 Questions with 
Complete Solutions 2024 
Pasteur's experiment provided conclusive evidence to reject the spontaneous generation 
hypothesis, which states that cells arise from nonliving material. As a consequence, his results 
supported the all-cells-from-cells hypothesis. Which element of Pasteur's experimental design 
was most important and why? His two treatments differed only in the shape of the flask, 
resulting in exposure of only one of the treatments to preexisting ...
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Bio 120 - Exam 1 Questions with Correct Answers Graded A+
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Bio 120 - Exam 1 Questions with 
Correct Answers Graded A+ 
Synapomorphy A shared derived character or trait state that distinguishes a clade from the 
other organisms. 
Analagous Having characteristics that are similar because of convergent evolution, not 
homology. 
Homologous Similarity in characteristics resulting from a shared ancestry. 
Porifera Sponges 
No true tissues 
Mostly marine, aquatic 
Asymmetric 
2 germ layers (endoderm and ectoderm) 
No coelom 
Sessile 
Sessile Attached direc...
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BIO 120 Module 1 Questions with Correct Answers Graded A+
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BIO 120 Module 1 Questions with 
Correct Answers Graded A+ 
proteins Ribosomes are responsible for the synthesis of 
carboxyl Amino acids are acids because they always possess which functional group? 
sulfur-32 (atomic number Q: Phosphorus-32, a radioactive isotope of phosphorus-31 (atomic 
number Q:, undergoes a form of radioactive decay whereby a neutron turns into a proton and 
emits radiation in the form of an electron. What is the product of such radioactive decay of 
phosphorus-32? 
15...
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Bio 1201 exam 2 Gregg latest update graded A+
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Bio 1201 exam 2 Gregg latest update 
 
graded A+ 
 
transport proteins are responsible for controlling passage across the membrane 
 
fluid mosaic model The membrane is a mosaic of protein molecules bobbing in a fluid 
bilayer of phospholipids 
 
fatty acid tails nonpolar, hydrophobic 
 
fatty acid heads hydrophilic, polar 
 
periphial proteins bound to the surface of the membrane 
 
integral proteins penetrate the hydrophobic core (ones that span the membrane are 
transmembrane protiens 
 
How ...
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BIO 1201 - MORONEY - EXAM 1 SAMPLE/QUIZ 1 WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 39 pages • 2024
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BIO 1201 - MORONEY - EXAM 1 
SAMPLE/QUIZ 1 WITH COMPLETE 
 
SOLUTIONS 
 
Which statement about *ALL* living things is true? 
a. all living things are capable of sight 
b. all living things have a nervous system of some sort 
c. all living things are capable of reproduction 
d. all of the above 
 
e. non of the above C 
 
Compared to 40^K, the isotope 39^K has 
a. a different atomic number 
b. one less neutron 
c. one less proton 
d. one less electron 
 
e. one less proton and one less electron B...
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LSU Bio 1201 exam 2 Questions and Answers 100% Pass
- Exam (elaborations) • 18 pages • 2024
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LSU Bio 1201 exam 2 Questions and 
 
Answers 100% Pass 
 
why are membranes called phospholipid bilayers? phospholipids have hydrophilic head and 
hydrophobic tail, hydrophobic face inside of cell making 2 layers 
 
what is meant by fluid mosaic? Mosaic of proteins drifting laterally in fluid bilayer of 
phospholipids 
 
how are membranes adjusted for different temperatures? membrane fluidity adjusted by 
changing the ratio of unsaturated to saturated fatty acids 
 
how do the relative amounts o...
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Bio 1201 Gregg exam 3 questions and answers rated A+
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Bio 1201 Gregg exam 3 questions and 
 
answers rated A+ 
 
the units of heredity and are made up of segments of DNA genes 
 
how many chromosomes do humans have in the nucleus of their somatic cells? 46 
chromosomes (23 pairs) 
 
the two chromosomes in each pair are called... homologous chromosomes/homologs 
 
each pair of homologous chromosomes includes... one chromosome from each parent 
 
what does meiosis result in 4 haploid daughter cells 
 
what does meiosis 1 do separates homologous chrom...
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Dental Hygiene National Board question and answer 2022/2023
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Dental Hygiene National Board question and answer 2022/2023What are some examples of bio-hazard waste? 
Sharps, items that drip of blood and/or saliva, and hard and soft tissues removed from patient 
 
 
 
The bio-hazard waste or regulated true or false? 
True 
 
 
 
 
 
 
 
When should we change our mask? 
When it becomes wet or soiled with every patient. That includes your fluids as well. 
 
 
 
What is the purpose of PPE? 
Is to minimize the exposure to Aerosol, Spatter, Direct transmission, ...
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BIO 1201 - MORONEY - EXAM 1 QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED
- Exam (elaborations) • 23 pages • 2024
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Which statement about *ALL* living things is true? 
a. all living things are capable of sight 
b. all living things have a nervous system of some sort 
c. all living things are capable of reproduction 
d. all of the above 
e. non of the above - Answer-C 
Compared to 40^K, the isotope 39^K has 
a. a different atomic number 
b. one less neutron 
c. one less proton 
d. one less electron 
e. one less proton and one less electron - Answer-B 
Sulfur has 6 electrons in its outer electron shell. It comb...