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TEA AH study guide

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What is the chronological order of the first phase of meiosis?
Interphase (1)
Prophase (1)
Metaphase (1)
Anaphase (1)
Telophase (1)
Cytokinesis (1)




Each cell goes through a second cell division in _________.
Meiosis
The chronological order of the second phase of meiosis
Prophase (ll)
Metaphase (ll)
Anaphase (ll)
Telophase (ll)
Cytokinesis (ll)



The result of _________ is 4 daughter cells with different sets of chromosomes.
Meiosis
Daughter cells are _______, meaning they contain 1/2 the genetic material of the parent cell
Haploid
Which phase of meiosis is most similar to mitosis?
The second phase
Meiosis encourages _______.
Genetic diversity
The recurring trends that are seen in the elemental properties.

The most important feature of the Periodic a Table of Elements

Periodicity
Groups or families in the Periodic Table are arranged in which direction?
Vertical
The outer energy levels have the same configuration of electrons in

a) groups
b) periods


A) groups
True or false:

Group 18 ( the noble gases) all have a full configuration of electrons in the outer shell.

True
Which direction are periods in The Periodic Table of Elements?
Horizontal
Classification relies most heavily on _________ in the Periodic Table of Elements.

a) groups
b) periods


a) groups
What information is typically displayed about elements on The Periodic Table of Elements?
Symbol, atomic number, number of protons in the nucleus, also sometimes the atomic mass and electronegativity
Where is the atomic number located in the Periodic Tabke?
The top, above the element symbol
Where is the atomic mass located in The Periodic Table of elements?
Bottom, below the element symbol
Atomic Number
The number of protons in the nucleus of an atom.

Also the same as the number of electrons in the atom in an uncharged atom

Represented by z



Atomic mass
Mass of an atom of that element

Number of nucleons or total number of protons and neutrons in the nucleus.

Represented by A



Molecules containing only C and H
Hydrocarbons
__________ form the basis of organic chemistry.
Hydrocarbons
___________ bond together with strong _______ bonds in chains or rings to form the backbone of organic molecules, which may have any number of a large variety of functional groups attached.
Hydrocarbons, covalent
When hydrocarbons only have C-C single bonds they are called _______. Other electrons will then form bonds with surrounding hydrogen atoms.
Saturated
When the C atoms in hydrocarbons have multiple bonds they are called ____________. Fewer electrons are available to form bonds with H atoms.
Unsaturated
Hydrocarbons are a) very unstable b) very stable due to the _________ of carbon.
B) very stable

Tetravalency

Tetravalency of Carbon
It has 4 valence electrons making its octet easy to satisfy. Results in very strong bonds.
The conversion of sunlight to energy in plant cells and some bacteria and protists.
Photosynthesis
The process where carbon dioxide and water are converted into glucose
Photosynthesis
Descendents of first organisms to use photosynthesis ~3.5 billion years ago
Cyanobacteria
A pigment that absorbs light in plants
Chlorophyll
During the process of photosynthesis _____ is used and _______ is released.
Water, oxygen
Photosynthesis takes place in ________ and uses ________ which is a green pigment that absorbs light.
Chloroplasts
Chlorophyll
A membrane-bound compartment inside chloroplasts and Cyanobacteria. The site of light-dependent reactions of photosynthesis.
Thylakoids
Occurs when the normal gene sequence is altered
DNA mutation
Why does DNA mutation occur?
Damage (chemicals, radiation, uv sun rays)

Or errors during DNA replication

When broken bonds attempt to bond with other DNA. Can cause a mutation.
Translocation
An energy of an object in motion
Kinetic
True or false:

If an object appears motionless its atoms are not moving

False
Atoms colliding and moving
Kinetic energy
1/2 mass x velocity squared

1/2 mv^2

Kinetic energy
Capacity for doing work that is based on position or configuration.
Potential energy
mgh


Mass x gravity x height


Potential energy
Consists of nasal cavities, pharynx, larynx, trachea, bronchi, bronchioles
Respiration Transport Highway
The gas exchange mechanism at the end of the respiration system.
Alveoli
Air is inhaled into ______. ________ diffuses from _______ into ______ _________ . _______ blood cells fuse with _________. _________ rich blood reaches body tissues. Hemoglobin releases _______ out of _________ through __________ fluid and into cells.
Lungs, oxygen, alveoli, pulmonary capillaries, red, hemoglobin, oxygen, oxygen, capillaries, interstitial
__________ diffuses from _______ through ___________ fluid into the bloodstream.
Carbon dioxide, cells, interstitial
Fluid pressure generated by cardiac cycle
Blood pressure
Arteries branch into
Small arterioles
Diffusion sites for exchanges between blood and interstitial fluid
Capillary beds
The thinnest wall of all blood vessels.

Capillaries
Type of blood vessel with only a single layer of endothelial cells
Capillaries
Carry oxygenated blood away from heart and to body tissue
Arteries ( except pulmonary arteries)
Carry deoxygenated blood to the heart
Veins (except pulmonary arteries
)
Type of blood vessel

1. Thin walls, smooth muscle
2. Valves inside to prevent back flow
3. Also blood volume reserves





Veins
Sugar in RNA

Sugar in DNA

Ribose

Deoxyribose

RNA nitrogenous bonds:
Adenine (A)
Guanine (G)
Cytosine (C)
Uracil (U)


Uracil is only found in ______.
Thymine is only in ________.
RNA
DNA
RNA is a _______ strand.

DNA is a _______strand.

Single

Double

Helper to DNA
RNA
What are the types of RNA?
Ribosomal RNA (rRNA)

Transfer RNA (tRNA)

Messenger RNA (mRNA)



What can use RNA to carry genetic material to the DNA
Viruses
True or False

rRNA has changed considerably over time.

False
Carries a copy of a strand of DNA and transports it from the nucleus to the cytoplasm.
mRNA
DNA unwinds and serves as a template while RNA is being assembled.

DNA molecules copied to RNA

Transcription
Ribosomes used transcribed RNA to put together the needed protein
Translation
Helps with the translation process and it is found in the cytoplasm.
tRNA
rRNA is found in _________.
Ribosomes
3 most important subatomic particles
1. Proton
2. Electron
3. Neutron

Electrons are a) smaller than b) bigger than c) same size as protons
a) smaller than
Has a mass slightly greater than a proton.
Neutron
Electrons are attracted to the nucleus by __________.
Electrostatic or Coulomb Force
Protons and neutrons in the nucleus are held together by
Strong nuclear force
__________ is much stronger than electrostatic force since protons do not repel each other.
Strong nuclear force
____________ is directly proportional to the charge of the nucleus.

And is inversely proportional to the square of the distance from the nucleus.

Electrostatic force or Coulomb Force
Changing from a gas to a liquid
Condensation
What is the opposite of evaporation/ vaporization?
Condensation
As the temperatures decrease in a gas the molecules ______________.
Move more slowly
in condensation, ____________ enables cohesive forces to pull molecules closer.
Decreased motion
Condensation can also be caused by ________________ exerted on a gas, which results in ___________ in the substance's volume (reduces distance between particles).
Increased pressure

A decrease

Continuous movement of water on, above and below the surface of the earth

The water moves from one reservoir to another or from ocean to atmosphere

Goes through different phases: liquid, solid, gas



Hydrologic cycle or water cycle or H20 cycle
Increase reaction rate without changing form

Can increase reaction rate by decreasing the number of steps

Catalysts
Minimum amount of energy required to get a reaction started

Causes particles to collide with sufficient energy to start a reaction

Activation energy
Enables more particles to react

Lowers the activation energy

Catalyst
A graph showing energies or speeds of particles or gas molecules in a system
Maxwell-Boltzmann Distribution
Allows for movement of substances through membranes

Does not require energy from the cell

Simple and facilitated diffusion and osmosis



Passive transport mechanisms
When particles are transported from areas of high concentration to areas of lower concentration

Stops at equilibrium

Diffusion
When specific molecules are transported by specific carrier proteins
Facilitated diffusion
Diffusion of water through a semi-permeable membrane from an area of high concentration to an area of low concentration
Osmosis
Returns excess tissue fluid to the bloodstream

Returns protein from capillaries

Transports fats from digestive tract

Disposal of debris and cellular waste





Lymphatic system
The lymph vascular system is made up of
Lymph capillaries
Lymph vessels
Lymph ducts

Lymphoid organs are:
Lymph nodes
Spleen
Appendix
Adenoids
Thymus
Tonsils
Small patches of tissue in the small intestine





__________ located at intervals throughout the lymphatic system.

Contain _________ and _________ cells.

Lymph nodes

Lymphocytes, plasma

Filters blood stores of red blood cells and macrophages.

The blood filter

Spleen
Secretes hormones and is the major site of lymphocyte production
Thymus
The process by which a cell reproduces, cell growth, duplication of genetic material and cell division
Cell cycle
How long is the cell cycle
Varies depending on cell type
What are the two ways cells reproduce?
Meiosis and Mitosis
The daughter cell is the exact replica of the parent cell in
Mitosis
Daughter cells have different genetic coding than the parent cells in ________.

Only happens in specialized reproductive cells (gametes)

meiosis
Results of mutations
Gene disorders

Genetic variability, which can lead to increased survivability

Are mutations neutral, harmful or beneficial?
Can be any
Can mutations be hereditary?
Yes
Differences in humans (eye and hair color) that may have originally been the result of gene mutations, but now are part of the normal variation of the species
Polymorphism
Mutation that happens only in sex cells or shortly after fertilization.

Mutation that neither parent possessed or transmitted.

De Novo
When the mutation happens in a cell during an early embryonic stage.

Some cells have the mutation and some do not.

Mosaicism
When an atom may gain, surrender or share its electrons
Chemical bonding
3 types of chemical bonding:
1. Ionic
2. Covalent
3. Hydrogen bonding

When an atom gains or loses electrons

Positively or negatively charged





Ionic bonding
When atoms share electrons it is called ____________.

When electrons are shared equally it is called ___________.

When electrons are shared unequally it is called ___________.



Covalent bonding

A non-polar bond

A polar bond



When atoms of a molecule interact with a hydrogen atom in the same area.

Can also form between 2 different parts of the same molecule

Hydrogen bonding
Any reaction where oxygen combines with other substances

A class of redox reactions where the oxidation number increases

Oxidation
Rusting iron and burning wood are what type of reaction?
Oxidation
Positive and negative compounds in a solution combine to form an insoluble ionic compound
Precipitation reaction
When acid reacts with a base and an ion of hydrogen transfers to the base
Acid-base reaction
When simple molecules (monomers) combine to form complex molecules (polymers)
Polymerization
Occur when electrons move from one atom to another, changing the charge of the ion

Oxidation number also changes

Electron transfer reactions (redox reactions)
Type of animal tissue where cells form a network and control responses to the internal and external environment.
Nervous
What are the 3 types of muscle?
1. Smooth
2. Cardiac
3. Skeletal

Bone marrow produces ______ blood cells
Red
The functions of blood are:
1. Transporting oxygen
2. Removing wastes
3. Carrying hormones
4. Defense


Four types of animal tissue:
1. Epithelial
2. Connective
3. Nervous
4. Muscle


Fibrous tissue. Gives shape to organs and holds them in place.

Cells are separated by non-living material called extracellular matrix

Supports and binds other tissue

Has cells scattered throughout extracellular matrix


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Connective tissue
Type of tissue that lines cavities and surfaces of structures in the body

No blood cells

Tightly packed cells



Epithelial tissue
Functions of epithelial tissue
1.absorb
2. Secrete
3. Protect
4. Detect sensation
5. Regulation and exchange of chemicals



Blood is a type of _________ tisse
Connective
Bone is a type of _________ tisse.
Connective
Each half of the heart contains an________ and a _________.
Atrium, ventricle
The human digesttive system is made up of:
Mouth, pharynx, esophagus, stomach, small and large intestines, rectum, and anus
The digestive system is controlled by which two systems?
Nervous, endocrine
Saliva contains enzymes to breakdown________.
Starch
What are the three functions of the stomach?
1. Mixing and storing food
2. Dissolving and degrading food via secretions
3. Controlling the passage of food into the small intestine

Where does protein digestion begin?
The stomach
Where are most nutrients absorbed in the digestive system?
Small intestine
A liver secretion that breaks down fats and is stored in the gallbladder between meals
Bile
Lining of ________ is covered with tiny absorptive structures which increase the surface area for interaction with chyme.

These structures are called _______.

Small intestine

Villi

Microscopic projections at the surface of villi that further increase the absorption of the small intestine.
Microvilli
The sun is composed of 70% _______, 28% ________ and 2% _________.
Hydrogen, helium, metals
The sun makes up how much of the total mass of the solar system?
99.8%
The surface of the sun is called the __________.

The __________ lies above the surface of the sun.

The ________ extends millions of Kilometers into space.



Photosphere

Chromosphere

Corona



Relatively cool regions on the surface of the sun are
Sunspots
The __________ of the sun extends beyond Pluto.
Magnetosphere or heliosphere
__________ are taken to be fact without proof for the purpose of an experiment.



Assumptions
Mathematical statements that describe a physical behavior.

They are sometimes discarded with new discoveries but are useful for simplifying

Scientific models
Describe natural behavior

Have stood the test of time

Produce accurate and repeatable results.



Scientific laws
Consolidates current scientific observations

Still may be proven wrong

More recent and have not yet stood the test of time



Scientific Theory
__________ always result in a change in composition or constitution of a compound.
Chemical reactions
The substance undergoing change in a reaction is called _________.
The reactant
Partner in a reaction that is less transformed than the reactant, such as the catalyst
Reagent
The final result of a reaction is the
Product
The defining structure of eukaryotic cells
Nucleus
True or false

All eukaryotic cells have a nucleus

True
The nucleus contains:
Nuclear envelope
Nucleoplasm
Nucleolus
Nuclear pores
Chromatin
Ribosomes




Highly condensed threadlike rods of DNA
Chromosomes
Consists of DNA and protein that make up chromosomes
Chromatin
Consists of protein

Small, round structure with no membrane

Involved in protein synthesis

Synthesizes and stores RNA





Nucleolus
The site of ribosome synthesis
Nucleolus
Involved in the exchange of material between the nucleus and the cytoplasm
Nuclear pores
The liquid material in the cell.

Mostly water and some floating molecules

Cytosol
Refers to cytosol and substructures (organelles) found within the plasma membrane, but not within the nucleus
Cytoplasm
The 2 types of endoplasmic reticulum and the difference between the two.
Rough ER has ribosomes on the surface.

Smooth ER has no ribosomes on the surface

The tubular network that comprises the transport system of a cell

Fused to the nuclear membrane and extends through the cytoplasm to the cell membrane

Endoplasmic reticulum
Organelles that generate ATP

They are involved in cell growth and death

Contain their own DNA that is separate from that contained in the nucleus



Mitochondria
Found within all living cells

Primary site of protein synthesis

Numerous, make up 1/4 of cell







Ribosomes
Involved in synthesizing materials such as proteins that are transported out of the cell

Modifies proteins sent from rough endoplasmic reticulum

Packages and labels items that are sent to other parts of the cell

Located near the nucle
Golgi apparatus/ complex
Sacs used for storage, digestion and waste removal in the cell

________ cells have one large one.

________cells have small, numerous ones.



Vacuoles

Plant

Animal



A small organelle within a cell

Contains fluid enclosed by a membrane

Performs various functions, including moving materials within a cell





Vesicle
Network of fibers within the cell's cytoplasm that help support and give shape

Contains microtubules



Cytoskeleton
Component of the cytoskeleton

Support the cell

Made of protein



Microtubules
Microtubule organizing center

Comprised of a pair of centrioles located at right angles to each other

Surrounded by a mass of protein

Involved in mitosis and the cell cycle





Centrosome
Cylinder-shaped structures near the nucleus

Involved in cellular division

Each cylinder consists of 9 groups of 3 microtubules

Occur in pairs





Centrioles
Digests protein, lipids and carbohydrates

Transports digested substances to the cell membrane to be removed

The waste disposal system of the cell

"Suicide sacs"





Lysosomes
Membrane bound organelle in plant cells

Used to make chemical compounds and store food

Can also contain pigments used during photosynthesis

May differentiate into several forms









Plastids
Type of green plastid for photosynthesis

Type of colored plastid

Type of plastid that stores starch

Plastid that lacks pigment and can sometimes differentiate into more specialized plastids





Chloroplasts

Chromoplasts

Amyloplasts

Leucoplasts





Is oxidized

Loses electrons

Reducing agent
Is reduced

Gains electrons

Oxidizing
An element undergoing _________ increases in it's oxidation number
Oxidation
An element undergoing __________ decreases in it's oxidation number
Reduction
Single replacement reactions are a type of what reaction?
Oxidation/ reduction
In _________ reactions electrons are transferred from one chemical species to another.

The transfer of electrons equals changes in the nature and charge of the species.

Single replacement
In redox reactions:

Loss of electron =

Gain of electrons =





Oxidation

Reduction

* LEO says GER



Study of the origin of words and the way in which their meanings have changed throughout history
Etymology
Grammatical structure of words and their categories

Morphology
Replaces a noun or sometimes serve as an adjective modifying nouns

(He, she, they) refer to specific people, places, or things. Can be singular or plural

Used to show ownership (his, hers, theirs ours)







Pronoun

Personal pronouns

Possessive pronouns



Susan arrived late because traffic held her up.

Identify pronoun and antecedent.





Her - pronoun

Susan - antecedent

The Antecedent gives meaning to the pro- form or pro- noun



Type of pronoun that asks a question
Interrogative

Who, whom, which, that, whose

Sometimes classified as nouns

Used to mark nouns

Only three:

The (definite)

A, an (indefinite)







Articles
Not and never are classified as
Adverbs

Deck Info

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