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Biology Final Exam
Finals suck
110
Biology
10th Grade
01/16/2013

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Cards

Term
Ped, Pod
Definition
Foot, Leg
Term
Hetero
Definition
Mixed, Different
Term
-Logy
Definition
Study
Term
Mono
Definition
One, Single
Term
Eu-
Definition
True, Modern
Term
Poly
Definition
Many
Term
Derm, Derma
Definition
Skin, Covering
Term
Gen 
Definition
Make, Produce
Term
Ecto-, Exo-
Definition
Outer, External
Term
Phage, Phago
Definition
Eat, Engulf
Term
Syn
Definition
Combine, Together
Term
Iso-
Definition
Equivalent
Term
Pro, Proto
Definition
First, Early
Term
Archae-
Definition
Ancient, Original
Term
Chromo-
Definition
Colored
Term
Leuco, Leuko
Definition
White
Term
Plasm
Definition
Forming
Term
Auto-
Definition
Self
Term
Cephalo-
Definition
Head
Term
Chloro-
Definition
Green
Term
-Cyte, Cyto-
Definition
Cell
Term
Gastro-
Definition
Stomach
Term
Some, Soma
Definition
Body
Term
Photo
Definition
Light
Term
Epi-
Definition
Above, Top Layer
Term
Endo-
Definition
Inner, Internal
Term
Carbon Fixation
Definition
  • Incorporation of Co2 into Organic Compounds
  • Carbon comes from atmosphere and becomes "fixed"
Term
Alternative Pathways
Definition
Evolved plant species from hot dry climates fix carbon through these. 
Term
Stomata
Definition
  • On underserface of leaves 
  • Plants reduce water loss in hot dry air by closing these.
Term
C4 Pathway
Definition
This pathway is designed to efficiently fix CO2 at low levels.
Term
The CAM Pathway
Definition
Plants with this pathway only open their stomata at night to fix CO2.
Term

The Steps of the Calvin cycle:

4

Definition

1. 6 carbon dioxide molecules combine with six 5-carbon molecules forming twelve 3-carbon molecules

2. The 12 3-carbon molecules are converted into high-energy forms.

3. 2 of the 12 3-carbon molecules are removed and the plant uses them to produce sugars, lipids, amino acids, and other compounds.

4. The 10 3-carbon molecules change back into six 5-carbon molecules, which combine with 6 more carbon dioxide molecules.

Term
Photosynthesis
Definition
Two stages: 
The converting of light energy to chemical energy. 
Term
Biochemical Pathway
Definition
A series of chemical reactions
Term
Who uses Photosynthesis?
Definition

Algea
Some bacteria

Green protists

Plants 

Term
Products of photosynthesis
Definition
Glucose and Oxygen
Term
Enzymes
Definition
Catalyst that allow respiration.
Break down their own specific Catalyst. 
Term
Equation for Photosynthesis:
Definition

6CO+ 6H2O →CHLlight C6H12O6 + 6O2

Carbon+Water → Glucose+Oxygen

Term
Parts of a chloroplasts?
Definition
  • Inner membrane
  • Outer membrane
  • Granum
  • Thylakoid
  • Stroma
Term
Factors that affect Photosynthesis:
Definition

Light Intensity- Rate of photosynthesis increased as light intensity does. Some point level off


COLevels- Increases as CO2 does then livels off.


Temperature- Increases as temp increases, peaks, and goes back down. 

Term
Autotrophs
Definition
Producers
Term
Heterotrophs
Definition
Consumers
Term
Clorophyll A
Definition
  • Absorbs less BLUE light and more RED
  • Doesn't absorb much green light, reflects it. 
  • Only one directly involved in the light reactions
Term
Chlorophyll B
Definition
  • Absorbs less RED light, And more BLUE light
  • Reflects GREEN
  • Assists A in capturing light energy
Term
Carotenoids
Definition

Found in thylakoid membrane:

Orange- Carotene

Yellow- Xanthophyll

Red- Anthocyanin

Found in all plants

Term
Photosystem
Definition
  • Chlorophylls and carotenoids are grouped in clusters of pigments. 
  • They are Proteins
  • Contain light energy 
Term
Photosystem I
Definition
  • SECOND photosystem
  • Uses light energy to mediate electron transfer on the electron transport chain.  
Term
Photosystem II
Definition
  • FIRST photosystem 
  • Provides the electrons for all of photosynthesis to occur. 
Term
First Step of converting light energy to Chemical energy:

Definition
  1. Light energy forces electrons to become excited causing them to leave
  2. Photosystem II
  3. Leave Chlorophyll A molecules 
Term

Second step of converting light energy to chemical energy:

 

Definition
Primary electron acceptor
Term
Third step of the converting of light energy to chemical:
Definition
  1. PEA donates the electrons to a series of molecules called the ELECTRON TRANSPORT CHAIN
  2. Electrons lose energy as they pass.
Term
Fourth step of converting light energy to chemical:
Definition
  1. Light absorbed by photosystem I. Electrons move to another PEA
  2. Electrons are replaced by the electrons that passed through photosystem II. 
  3. electrons combine with a proton + NADP+
Term
Fifth step in converting light energy to chemical:
Definition
NADPis now reduced to NADPH
Term
Where are the replacement electrons for photosystem II provided?
Definition
Water molecules. 
Every 2 water there are 4 electrons. 
Term
The Calvin Cycle:
Definition
  1. Second set of reactions: 
  2. Plants use energy that was stored in ATP and NADPH to make sugars.
  3. Produces a 3C sugar, Glucose, aminoacids, carbs and lipids.
  4. Occurs within stroma 
Term
Chemiosmosis
Definition
Synthesis of ATP
Term
Cloroplast
Definition
Light reactions occur in the:
Term
Pigments
Definition
Compounds that absorb light.
Term
Chorionic Villi Sampling
Definition
Doctors get some of the tissue from around the ambilical cord.
Term
Skin color
Definition
What human trait is Polygenic?
Term
Incomplete Dominance
Definition
A condition in which the child of two parents has a mixture of the two traits
Ex. Black+White= Grey 
Term
Autosomal Dominant
Definition
Girl or Boy having an allele will have the corresponding trait.
Term
Sex-influenced
Definition
An autosomal trait that is influenced by the prescence of male and female sex hormones.
Term
Polygenic Inheritance
Definition
Describes a characteristic that is influenced by many genes. 
Term
Multiple Alleles
Definition
More than 2 alleles (Versions of a gene) for a genetic trait. 
Term
Chromosomes obeyed Mendle's laws of inheritance
Definition
What made scientists believe chromosomes are related to heredity?
Term
Griffith (1928)
Definition
  • Virulent S strain and Rstrain 
  •  Experimented with MICE
  • Streptococcus Pneumonia
Term
Mendel (1860)
Definition
  • Experimented with Pea Plants
  • Independent assortment 
  • Dominance Discovery
Term

Replication
When:
What happens: 

Definition
In interphase, 
The chromosomal DNA doubles its information. 
Term
Are purines and have two rings
Definition
A and G are what and have how many rings. 
Term
Watson and Crick (1962)
Definition
  • Depicted structure of DNA
  • Nobel prize for physiology and Medicine
  • Used Franklin's pictures of the double helix 
Term
Transformation
Definition
The transfer of genetic material in the form of DNA fragments from one cell to another 
Term
Adenine
Definition
A stands for
Term
Thymine
Definition
T stands for
Term
Guanine
Definition
G stands for
Term
Cytocine
Definition
C stands for
Term
Chargaff (After 1952 before Franklin and Wilkins)
Definition
  • Began the study of DNA
  • Amound of A=T and G=T 
    (His rule)  
Term
Franklin and Wilkins 
(between Chargaff and Watson/Crick) 
Definition
  • Studied DNA structure by X-ray
  • Crystallography
  • Their photos implied a double helix shape
Term
Oswald Avery (1944)
Definition
  • DNA extraction 
  • Extracted from S bacteria
Term

Replication Steps:

4

Definition
  1. Double-helix unwinds H-bonds break apart
  2. Free-floating nucleotides match with the open bases to form a complimentary stroma.
  3. DNA Polymerase matches bases with their correct partners
  4. New "backbones" form into 2 identicle double helixes
Term
Bateson and Punnet
(1906) 
Definition
Punnet experiments show not all genes support independently
Term
Nettie Stevens
(1905) 
Definition
Sex Chromosomes
Term
Miescher
(1868) 
Definition
Cell nuclei is half DNA and Half Protein
Term
A with T 
G with C 
Definition
G, T, A, C
What always matches up on the double helix? 
Term
Are Pyrimidines and have one ring
Definition
C and T are what and have how many rings?
Term
Phosphate groups and Deoxyribose (5-sided sugar)
Definition
The backbone sides of the ladder are made of what?
Term
Purines and Pyrimidines
Definition
Make up the "rungs" of the ladder and are the nitrogenous bases. 
Term

Barbara McClintoc
(1947)

 

Definition
Jumping Genes
Term
Thomas Morgan
(1910) 
Definition
  • Drosophela experiments 
  • linked genes
  • sex linked genes
  • More evidence accquired for the chromosome theory
Term
Sutton (1903)
Definition

Chromosome theory- 

occurs in pairs and seperate during meiosis pairs assort independently.

Term
Hershey and Chase
(1952) 
Definition
Figured out heredity stuff was DNA
Term
Chromosome theory
Definition
  • Occurs in pairs 
  • Separate during meiosis
  • Pairs assort independently
Term

Characteristics of Life:

 

Definition
Organized, Composed of one or more cells, Responds to environmental stimuli, Maintains homeostasis, Undergoes Metabolism, Grows and develops, Reproduces, Species changes through time.
Term
Natural Selection:
Definition
Some organisms have traits that have better survival
Term
Adaptation:
Definition

All adaptations are good, Not all mutations are. 

improve ability to survive and reproduce.

Term
All cells have 
Definition

Cytoplasm/cytosol- Chemical Goo

Cell Membrane

Ribosomes

DNA/RNA

Term
Cell membrane's function is:
Definition
Controls what goes in and out of the cell 
Term
Nucleus' function
Definition
Holds genetic information
Term
Chromosomes
Definition
Wrapped tightly
Term
Chromotin
Definition
left loosely
Term
Ribosomes
Definition

In all cells. 
Involved in making proteins.
Stucture- Large and small subunits fuse when active.  Most numerous organelle. Composed of RNA and Proteins

Function- Making Proteins

Term
Endo Plasmic Reticulum
Definition
Structure- Membrane material which forms into tubes and sacs, Contains many chemicals Smoothe has no attached ribosomes. Extends from nucleus to the cell membrane, Amount varies from cell type to cell type and activity.
Term
Rough ER
Definition

Produces proteins and phospholipids, Types of proteins made include ensymes and antibodies, Sacs containing productts can detatch, Sacs can pinch off and more through and often out of the cell. 

Term
Smooth ER
Definition

Produces lipids (cholesterol) and steroid hormones (estrogen and testosterone)
Detoxifies. Placed in liver and kidneys.

Break up all potentially toxifying things- All ER 

Is a transport system.

Term
Golgi Apparatus
Definition

Structure- Flattened membrane sacs, Areas break/pinch off visicles. Contains many chemicals.

Function- Processes raw material, modifies the lipids or proteins, adds chemical adresses to proteins/lipids, Vesicles leave the Golgi to go to correct location in the cell or depart from the cell. Golgi produces many different products.

Term
 Vesicles
Definition

Structure- Small spherical membrane sac Made out of membrane has goo inside. Pinch off and/or merge with plasma membrane, Golgi, And ERS

Function- Vesicles named for function. 

contractile vacuale, Contract to expel extra water from cell. Often present in fresh water unicellular organisms. 

Term
Lysosomes-
Definition

Pinch off Golgi. 

Contains digestive enzymes which broke down large organic molecules, worn out organelles, (Autohagy) And whole cells (Autolysis)

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