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Bio 1500 Mizzou Schul TEST 2 Exam Questions And Correct Answers.

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Bio 1500 Mizzou Schul TEST 2 Exam Questions And Correct Answers. Categorize different energy forms as 'kinetic' or 'potential' - answerKinetic energy: the energy of movement □ Includes heat, light, electricity Potential energy: stored energy □ Includes chemical energy □ You can store e...

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  • August 28, 2024
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  • Bio 1500
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©THEBRIGHT EXAM STUDY SOLUTIONS 8/23/2024 2:39 PM



Bio 1500 Mizzou Schul TEST 2 Exam
Questions And Correct Answers.

Categorize different energy forms as 'kinetic' or 'potential' - answer✔✔Kinetic energy: the
energy of movement
□ Includes heat, light, electricity
Potential energy: stored energy
□ Includes chemical energy
□ You can store energy in chemical bonds

Apply the First Law of Thermodynamics - answer✔✔Energy is never created or destroyed, but it
can change form

Describe the mechanism of diffusion at the level of single particles - answer✔✔particles move
from high to low concentration
Describe the pattern observed due to diffusion and the level of many particles -
answer✔✔random
Explain how the behavior of single particles explains the observed pattern at the many particles
level - answer✔✔probability

Identify the wavelengths (i.e. colors) of light absorbed by chlorophyll - answer✔✔red, blue and
violet light

The main transport form and immediate source of energy in cells - answer✔✔ATP
Describe the chemical and energetic changes that occur as ADP cycles to ATP and back again to
ADP - answer✔✔E leaves ATP which makes ADP
Recall the processes that lead to the Great Oxygen Event & how earth looked before and after
this event - answer✔✔Cyanobacteria evolved photosynthesis which created O2 as a side effect
which lead to Great Oxygen Event
Before: all organisms heterotrophic prokaryotes
After: Set the stage for geology and biology as we know it today

, ©THEBRIGHT EXAM STUDY SOLUTIONS 8/23/2024 2:39 PM
Assess the different outcomes of the great oxygen revolution regarding their consequences for
life on earth and for earth's geology and atmosphere. - answer✔✔Minerals formed
□ Banded iron ore
Ozone layer formed
□ Protection from UV-light
Free O2 is toxic to cells
□ Led to global mass extinction
O2 reacted with Methane (greenhouse gas), removing it from the atmosphere
□ Led to snowball ice age (2.4-2.1 bya)
Some prokaryotes evolved ways to use O2
□ Leading to evolution of cellular respiration
(later) Eukaryotes with chloroplasts
□ More effective photosynthesis
□ Even higher O2 levels
□ (much later) Evolution of multicellular life
Generated new niches
□ opportunities to diversify
Describe the relationships between the terms chromosome, gene, allele, and DNA. -
answer✔✔Gene: a segment of DNA with instructions for building a protein
□Specifies the sequence of amino acids that make up the protein
Alleles: different possible forms of the same gene
□ Differ in DNA sequence and therefore in protein structure they code for
□ There may be many different alleles of the same gene
□Any one person can max. of two different alleles
• Because of two copies of chromosomes

Describe the difference between the various alleles of a gene. - answer✔✔Alleles differ in DNA
sequence than genes

The most fundamental process and characteristic of life. - answer✔✔Natural selection

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