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< - 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