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Bio Exam 1 (Shadwick UARK) QUESTIONS WITH CORRECT ANSWERS
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Bio Exam 1 (Shadwick UARK) QUESTIONS WITH CORRECT ANSWERS
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POB EXAM 1Study online at
https://quizlet.com/_dnux51
1.qualities of life: - organized
- acquire material and energy
- reproduce
- respond to stimuli
- homeostatic
- grow and develop
- capacity to adapt
2.emergent property: a property that a complex system has but the
individual members of the system do not
3.emergent property pt. 2: sum is greater than it's
parts Na(explody) + Cl(burny)-> NaC; (salty)
4.challenges for science & society: loss of diversity, emerging and
reemerging diseases, climate change caused by global warming
5.Law: describes a pattern in nature
6.law**: the WHAT
7.theory: explanation to why a pattern exists
8.theory**: the WHY/HOW
9.strengths: publicly
understandable self corrective
predictive
anti-authoritarian
10.null hypothesis: NO difference between control and experimental
groups; ex- periment will have NO effect
11.alternative hypothesis: expect a difference between groups;
experimental vari- able will have effect
12.inductive reasoning: makes generalizations based on collecting and
analyzing a large number of specific observations
13.inductive reasoning example: this dog has 4 legs so all dogs must
have 4 legs (specific to broad)
14.deductive reasoning: flows from general premises to predicted and
specific results
15.deductive reasoning example: all dogs have 4 legs therefore this dog
should have 4 legs (broad to specific)
16.independent variable=: experimental variable
17.dependent variable=: response/responding variable
18.confounding variable: in an experiment, a factor other than the
independent variable that might produce an effect
19.lactose: a sugar in milk
20.-OSE: sugar
1/
13
, POB EXAM 1
Study online at
https://quizlet.com/_dnux51
21.Lactase: an enzyme that breaks down lactose
22.-ASE: enzyme
23.LactOSE: intolerant people do not produce
24.LactASE: enzyme needed to break down sugar
25.What particles are found in the nucleus?: protons and neutrons
26.Electrons (charge and location): negative, outside nucleus
27.neutron charge: neutral
28.proton charge: positive
29.isotopes: isotopes are atoms of the same element with different
numbers of NEUTRONS
30.Bonding - ionic: transfer electrons
31.Bonding- covalent: share
electrons polar- unequal
non polar-equal
32.Bonding- hydrogen: slightly -oxygen attracts to slightly to slightly
+hydrogen weak individually but strong together
33.properties of water: high heat
capacity high heat of vaporization
can dissolve many molecules
cohesion
adhesion
high surface tension
34.cohesion: cling to other water molecules
35.adhesion: cling to other polar surfaces
36.acids: pH below
7 high H+
concentrations low
OH- concentrations
37.bases: pH above 7
low H+
concentrations high
OH- concentrations
38.functional groups: bonded atoms that always react in the same
way, can change the function of a molecule
39.hydroxyl group (alcohol): -OH
40.amino group: NH2
41.methyl group: CH3
42.phosphate group: PO4
43.Dehydration: H2O is removed, bond forms, join monomers
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