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biology final
final
89
Biology
Undergraduate 2
05/04/2012

Additional Biology Flashcards

 


 

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Term
place the biological organization levels in order
Definition
Biosphere, ecosystem, community, population, organism, cell
Term
determine which group in the experiment is the experimental group and which is the control group
Definition
Control group is the one that is not getting anything during the experiment.
Term
what is Observational
Definition
Observe and record
Term
what is Experimental
Definition
Manipulating and recording results.
Term
When is a covalent bond non-polar?
Definition
Non-polar is share electrons equally.
Term
What is found in the nucleus of an atom?
Definition
Proton – Positive, Neutron – Neutral
Term
When full, how electrons are found in the first shell? Second shell? Third shell?
Definition
First shell -2, Second Shell – 8, Third Shell - 8
Term
Why does ice float in water?
Definition
When water freezes, it expands, because of the expansion, the density is lower than water causing it to float.
Term
What helps keep a mammal cool in hot environments?
Definition
High heat vaporization
Term
What makes a solution acidic?
Definition
High concentration of ions, ph range 1-6
Term
What makes a solution Basic?
Definition
High concentration of peroxide, ph range 8-14
Term
The four major elements in a living thing are?
Definition
Carbon, Hydrogen, Oxygen, Nitrogen
Term
What type of bond does carbon form?
Definition
Covalent
Term
What is an ionic bond?
Definition
takes electron away from another atom
Term
Which macromolecule class does the following belong to? DNA
Definition
nucleic acid
Term
Which macromolecule class does the following belong to?
cellulose
Definition
carbohydrate
Term
Which macromolecule class does the following belong to?
starch
Definition
carbohydrate
Term
Which macromolecule class does the following belong to?
fatty acid
Definition
lipids
Term
Which macromolecule class does the following belong to?
amino acids
Definition
protein
Term
Break down anything that does not belong in the cell.
Definition
Lysosome
Term
Storage, maintain shape of cell, remove toxins in cells.
Definition
Vacuole
Term
Cellular respiration
Definition
Mitochondria
Term
Receive and ship out molecules
Definition
Golgi apparatus
Term
Photosynthesis, makes sugar
Definition
Chloroplast
Term
What is van der Waals?
Definition
Brief interaction of opposite attraction.
Term
What is diffusion?
Definition
Concentration gradient, High to low concentration
Term
What is the difference between endocytosis and exocytosis?
Definition
Endocytosis – Moving into the cell. Exocytosis – Moving out of the cell.
Term
prokaryotic cell
Definition
small, nucleotide, plasmids, ribosome, plasma membrane, cetoplasm, cell wall, capsule
Term
What is an enzyme?
Definition
Type of catalyst
Term

B

A−→−C

Which of the letters represent the substrate, the product, and the enzyme?

 

 

Definition

A – Substrate, B – Enzyme, C - Product

Term
Of all the different ways to transport materials across a membrane, which requires ATP?
Definition
Active transport requires ATP
Term
Know the order of the phases in mitosis.
Definition
Interphase, prophase, prometaphase, metaphase, anaphase, telophase, cytokinesis. ippmatci
Term
Mitosis or meiosis, which of the following produces cells that are genetically identical? Which of the following produces cells that are haploid/diploid?
Definition
Mitosis
Term
How many daughter cells are produced?
Definition
Meiosis – 4 Mitosis - 2
Term
Animal cells only
Definition
Centriole, Lysosome
Term
Plant Cells only
Definition
Chloroplast, central vacuole, cell wall.
Term
Know the base-pairing rules.
Definition
DNA – AT – GC. RNA – AU - GC
Term
What kind of chemical bond is found between paired bases of the DNA double helix?
Definition
Hydrogen bonds
Term
What molecule is being made during replication?
Definition
DNA
Term
What molecule is being made during Transcription?
Definition
mRNA
Term
What molecule is being made during Translation?
Definition
Polypeptide/Protein
Term

In the diagrams below, be able to determine which one represents prophase, prophase I, metaphase II, anaphase, anaphase I, and anaphase II

[image]

Definition
 Anaphase I (I) - Anaphase II – (II) Metaphase – (VI) Prophase I – (IV) Prophase  – (III)
Term
Know the chemical equation for respiration
Definition
C6H12O6 + O2 -> CO2 + H20
Term
Know the chemical equation for photosynthesis.
Definition
CO2 +H20 -> C6H12O6 + O2
Term
What is the purpose of the following processes:
Glycolysis
Definition
Split the sugar in half
Term
What is the purpose of the following processes:
Krebs cycle
Definition
Completely broken down (oxidized)
Term
What is the purpose of the following processes:
Oxidative phosphorylation
Definition
Makes ATP
Term
What is the purpose of the following processes:
Light-dependent reaction
Definition
ATP and NADPH
Term
What is the purpose of the following processes:
Calvin cycle
Definition
Sugar
Term
Double Stranded, Deoxyribose, ATGC
Definition
DNA
Term
Single Stranded, Ribose, AUGC
Definition
RNA
Term
Define natural selection
Definition
Organism has the adaptive trait that allows it to reproduce
Term
Define biogeography.
Definition
Study of the plants and animals around the world.
Term
Prior to Darwin, what was the common belief about the age of Earth and its populations?
Definition
Thousands of years old. The population was unchanging
Term
What is a vestigial organ?
Definition
In the ancestor, the structure was used, but not used in today’s organism.
Term
What is catastrophism?
Definition
Dramatic event that killed them all.
Term
What was Lamarck’s inheritance of acquired traits?
Definition
Parents acquired the traits and then pass them onto the offspring. Use and disuse of structures.
Term
If Darwin had completely bypassed the Galapagos Islands, he would have had a much poorer understanding of what?
Definition
Natural Selection
Term
Define artificial selection.
Definition
The human picks the traits
Term
What is the difference between microevolution and macroevolution?
Definition
Micro – Small scale changes at the genetic level.
Macro – large scale changes at the organism level.
Term
How are phenotypic variations produced?
Definition
Genetics and the environment can cause the variation.
Term
What are all the different ways to produce genetic variations in each generation of humans? Which one will reduce genetic variations?
Definition
Mutation, gene flow, genetic drift, natural selection, and random mating can cause genetic variations. (Ch. 20) Genetic drift reduces genetic variation.
Term
Define gene pool.
Definition
All of the allele in a population.
Term
Define gene flow.
Definition
When the alleles move from one population to another population.
Term
What are the five requirements for Hardy-Weinberg equilibrium?
Definition
No mutation, no migration, large population size, reproduce equally, and mating has to be non-random.
Term
What is a cline?
Definition
Variations as you move along a geographic gradient.
Term
Define diploidy
Definition
When you still have recessive alleles.
Term
What is heterozygous advantage?
Definition
Heterozygous have a better advantage than homozygous. higher relatives
Term
Why can’t natural selection produce the perfect species?
Definition
Because the environment is constantly changing.
Term
Directional selection
Definition
One extreme or the other, light or dark
Term
Stabilizing selection
Definition
Middle range
Term
Disruptive selection
Definition
Both ends, some light and some dark
Term
Sexual selection
Definition
Attraction to a specific structure or dominance (Males fighting other males for attention.)
Term
How do the following species concepts identify species?
phylogenetic
Definition
DNA sequence and morphology
Term
How do the following species concepts identify species?
biological
Definition
Based on reproductive isolation
Term
How do the following species concepts identify species?
morphological
Definition
Based on their anatomy
Term
Ecological isolation
Definition
same area, different habitats
Term
Temporal isolation
Definition
Reproduce at different times of the day or year
Term
Behavioral isolation
Definition
The way they behave
Term
Mechanical isolation
Definition
Not able to produce because parts don’t line up
Term
Gametes isolation
Definition
Eggs and sperm has to be compatible to reproduce
Term
Hybrid inviability
Definition
Not gonna live for a long time
Term
Hybrid sterility –Sterile
Definition
Not able to reproduce
Term
Hybrid breakdown
Definition
Each generation of the hybrid offspring becomes weaker and weaker until they are not able to reproduce.
Term
Allopatric speciation
Definition
something causing the population to be separated, something geographical causes a barrier
Term
Sympatric speciation
Definition
Nothing physical causes a new species to arrive.
Term
Why is the fossil record incomplete?
Definition
Fossils may be destroyed overtime, wrong environment (sedimentary rocks), soft parts of the organism will not fossilize, may be a rare species.
Term
What is the name of the supercontinent that was formed during the Permian?
Definition
Pangaea
Term
What could cause a mass extinction?
Definition
Volcanoes and asteroid strike.
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