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48 Cards in this Set

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Biology

The study of life

Levels of biological orgatization

Atom


Molecule


Cell


Tissue


Organ


Organ system


Organism


Population


Community


Ecosystem


Biosphere

Taxonomy classification levels

Domain


Kingdom


Phylum


Class


Order


Family


Genus


Species

Dumb kids playing catch on free way get smashed

Steps to scientific method

Observation- using knowledge to form question (hypothesis)


Hypothesis- explanation


Test- observation or experiment, proves or disproves hypothesis.


Conclusion- results. Rejecte or supporte hypothesis




Qualitative vs. Quantitative date

Qualitative- deals with description. Data can be observed, colors, texture, smell,taste, etc.


Quantitative- deals with numbers. Data can be measured, length, width, area,volume, levels, cost,ages,etc.

Hypothesis vs. Threory

Hypothesis - suggested explanation or educated guess


Theory - a tested, well-substained explanation for proven factors

Anecdotal vs. Credible evidence

Anecdotal - stories shared by people. Not a hard fact.


Credible - evidence worth of belief. Jury decides if it's credible

Types of bonds (3)

Covalent - shared electrons


Ionic - transferred electrons


Hydrogen- weak bond between water molecules

4 macromolecules

Lipids - stores energy, FATS


Proteins - build, control, move muscles


Carbohydrates - energy from whole grain foods


Nucleic acids - DMA, RNA. Controls you

Photosynthesis formula

6 CO2 + 6 H2O ==> 6 O2 + C6H12O6

Photosynthesis reactions (2)

Light reaction - makes ATP and NADPH (carries energy), happens in chloroplast.


Calvin cycle - makes G3P (3 carbon molecule), happens in stroma

Why do leaves turn color in the fall?

Chloraphyll breaks down, turns then yellow/orange

Isotonic, hypotonic, and hypertonic solutions

Isotonic- concentration is equal on both sides


Hypotonic- concentration is greater on the inside.


Hypertonic- concentration is greater on the outside

Roles of CO2, H2O, NADPH and O2 in photosynthesis

Carbon dioxide is used with water to create oxygen and NADPH

Endocytosis and exocytosis

Endocytosis- large particles moving into cell


Exocytosis- large particles moving out of cell

Purpose of glycoses

To oxidize glucose and produce pyruvate. provides ATP and NADH

Citric acid cycle products

NADH, 2 ATP,FADH2.


Sugar is cut up completely

Which evolved first, unicellular or multicellular organisms?

Unicellular

What is a specialized cell?

Cells modified to carry out a specific task

What type of organisms need specialized cells?

Multicellular organisms

Eukaryote vs. Prokaryote

Eukaryote has nucleus and membrane bound cells; prokaryote don't

What type of cell are bacteria?

Prokaryotes

Examples of eukaryotes

Fungi


Protist


Plants


Animals

What is a lipid bilayer?

Fatty acids organized in two sheets

Which organelles are found in only plant cells?

Cell wall and chloroplasts

Which organelles are found in both animal and plant cells?

Cell membrane, nucleus, nuclear membrane, cytoplasm, E.R., ribosome, mitochondria, vacuole and lysosomes

What organelle is more abundant in a active eukaryotes cell?

Mitochondria, its the power house of the cell

Osmosis vs. Diffusion

Osmosis - water molecules from high concentration through a semipenetrable membrane to low concentration.


Diffusion - air molecules from high to low concentration

Dna is replicated in what phase?

Telophase

Fertilization

Union of two cells from to individual organisms.


Sperm meets egg

Transcription vs translation

Transcription - DNA to RNA, product occurs in mRNA, happens in nucleus, requires RNA polymerase.



Both - C,A,G,U and nucleotides



Translation - RNA to protein, product is in polypeptide, happens in ribosome, uses reagents to create polymerase chain.

IMPAT

interphase


Metaphase


Prophase


Anaphase


Telophase

Somatic vs gamete cell

Somatic - full set of chromosomes


Gamete - has haploid(half) membrane

What are the 3 domains?

Viruses


Bacteria


Protozoan


Species

Able to breed and produce fertile offspring

Genetic drift

More of one gene is present by chance

Polyploidy

Different species


Plants can be triploid or tetraploid

Allopatric vs. Sympatric speciation

Allopathic requires physical separation ( geographic isolation)


Sympatric does not

Silicate cell wall

Surrounds some bacteria, protects bacteria from surroundings

Bacteria shape

Rod shaped

Amoeba vs trypanosomes movement

Amoeba -moves by shifting body shape


Trpanosome- moves by "squishing"

Fertilization vs. Pollination

Fertilization requires pollination but pollination doesn't always mean the plant will be fertilized

Product of fertilazation

Eggs

What type of cell division behins after fertilization?

Mitosis

Mycelium

Thread like hypea, mass of branching found in fungus.

Gymnosperm plants

Pines


Ginko ("fossil" tree)


Ephedra (mormon tea)

Geographic isolation

Species separated by geographic feature

Islad, mountains, river etc

Reproductive isolation

Can't interbreed, different life styles