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93 Cards in this Set
- Front
- Back
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What do Sherlock Holmes and Jane Goodall have in common? |
Make observations and then conclude using inductive reasoning |
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In a scientific method, a control group is: |
required to do the experiment properly |
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Which of the following questions cannot be answered by the scientific method? |
Did the US answer appropriately when invading Iraq? |
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In science, theories tend to be ____ than hypothesis. |
More comprehensive and broader in scope. |
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A women is murdered and then there is one person in the area and he looks nuts. The detective questions him and tests the hypothesis. They think he did it, he probably had a run in with this women. Inductive or deductive? |
Deductive |
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House has be t-peed and the guys next door are laughing and not looking at you. You suspect that they did it. Inductive or deductive? |
Inductive |
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Heart beat is dependent... what is an independent variable that will influence it? |
Time **Time is the #1 independent variable** |
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What is matter? |
Anything that takes up space and has a mass. |
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What are the four chemical elements that make up matter of a human? |
CHON -carbon -hydrogen -oxygen -nitrogen |
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Which chemical element in the human body makes up most of the body? |
Oxygen |
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What is an atom? |
Everything on the list is correct. |
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How do we define an element as being "essential" in humans? |
Necessary for healthy life-cycle and reproduction |
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Relative to protons .... |
electrons are significantly smaller |
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The number of protons in an element determines ... |
the identity of an element |
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The human body cells are approximately ___ water? |
70-90% |
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The tendency of water molecules to stick to other molecules or surfaces is called ___? |
Adhesion |
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Water sticks to water by ___? |
Cohesion |
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Multiple molecules of water can be connected by ___? |
Hydrogen bonds |
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How come water flows freely and in not a thick cement like solution? |
Connection between water molecules are constantly breaking as well as forming. |
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Water is polar, what does that mean? |
positive on one side and negative on the other |
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Why cooler off the coast? |
Water traps heat. |
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Sugar dissolves in water, sugar, is the _____, water is the ____. And then sweetened water is the _____. |
Solute, solvent, solution |
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Why can bugs walk on water? |
Surface tension |
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As water freezes, what happens to the molecules? |
Molecules of water are spreading apart. |
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The nucleus of an atom is usually made up of _____. |
protons, which have a positive charge and neutrons, which have a negative charge |
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Define prokaryotic cells. |
Bacteria and Archaea. Have no organelles, evolutionary older, circular DNA, single celled. |
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Define eukaryotic cells. |
Plants, Fungi, and Animals. Larger, have organelles, multi-celled, evolutionary recent. |
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Eukaryotes are _____ to prokaryotic cells. |
have membranes -- bound organelles, which prokaryotes are locked in. |
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What is the purpose of the plasma membrane? |
Decided what/who goes in and out of the cell. It's the "gate keeper" of the cell. |
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What is not true of all cells? |
not all of them have a cell wall |
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The glass slide with the letter E. |
Upside down and backwards. |
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Which of the following BEST summarizes the difference between osmosis and diffusion? |
Osmosis deals with only water. |
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Active transport _____ |
costs the cell ATP energy |
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One difference between eukaryotic and prokaryotic cells is that eukaryotic cells ____ prokaryotic cells. |
Have membrane-bound organelle which are lacking in |
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Which organelle is responsible for photosynthesis? |
chloroplast |
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What is the smallest unit of biological organization that can be alive? |
the cell |
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Which statement is or are a part of the Cell Theory? |
All living things are made of cells and all cells are made of other cells. |
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Which cell is the largest? |
Plant (biological)
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Animal cells are always ____ than bacterial cells. |
Larger |
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What kind of cells have cell walls? |
Plants |
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Perfume spread out into the air by ____. |
Diffusion |
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Water across a cell membrane is ____. |
Osmosis |
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What is the most important barrier protecting the inner contents of a plant cell from the exterior environment? |
Plasma membrane |
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Which organelle is responsible for making proteins? |
Rough ER |
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What organelle stores DNA? |
The nucleus. |
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Proteins are chains connected by _____. |
Amino acids |
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Why is glucose important? |
"blood sugar," sugar to the body, provides quick energy....ALL OF THE ABOVE |
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Table sugar is ____. |
Sucrose |
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What is cellulose? |
A carbohydrate |
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An unsaturated fat is likely to be _____. |
More fluid |
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Which of the following is a steroid? |
Testosterone |
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Which is stretch of DNA with the information to make a protein? |
Gene |
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How long is the DNA when all stretched out? |
6-9 feet |
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Which of the 4 big molecules can make your entire body all over again? |
Nucleic acid |
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Building blocks of DNA are ___. |
ACTG A pairs with T G pairs with C |
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Evidence for the spiral nature of DNA came from ___. |
Xrays |
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After DNA copying/replication ____. |
each new DNA double helix consists of one old strand and one new strand. |
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Human Genome project is ______. |
got the recipe for human beings |
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How are new body cells made when old ones get damaged? |
each new cell is made from a pre-existing, non-damaged cell. |
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Cell divisions involving mitosis results in 2 daughter cells that are ____. |
the same |
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What are the stages of mitosis? |
PMAT |
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Purpose of mitosis is ____. |
makes eggs and sperms |
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Difference in number of progeny cells made by mitosis and meiosis? |
2 in mitosis, 4 in meiosis |
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What did Mendel work with? |
Garden peas |
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The phenotype of an organism can best be determined by: |
observing the organism, physical appearance |
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What is something that Mendel didn't know? |
Chromosome |
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Boston strangler was influenced by: |
Both his genetics and his environment |
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Natural selection is _____. |
process that explains how organisms with certain inherited characteristics are more likely to survive and reproduce than are individuals with other characteristics. |
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Oldest fossils in the grand canyon are going to be at _____ of the canyon. |
Bottom |
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Earth was formed ____ years ago. |
4.5 billion |
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Oldest fossils was formed ___ years ago. |
3.5 billion |
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What is population? |
group of things from the same species
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What is endemic? |
Something that is only found in one location |
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What can evolve? |
A population |
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Where are the Galapagos islands? |
Near south America |
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What went crazy when the dinosaurs went extinct? |
Mammals |
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What was pangea? |
Super continent. |
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What is macro-evolution? |
big evolutionary changes/on a big scale |
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What does temporal regulation mean? |
time |
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T/F: We are decedents of chimps. |
False |
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What does "fittest" mean? |
Reproduction
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Not all animals have tissues. |
Example: sponges |
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Why is the amniotic egg considered a key evolutionary innovation? |
increased the survival probabilities |
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Which of the following are chordates? |
frogs, humans, fish, ALL OF THE ABOVE |
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Which of these structures has bilateral symmetry? |
ALL OF THE ABOVE |
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Bryophytes, ferns, gymnosperms, angiosperms |
What are these? |
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How come all mosses and ferns need to live in a moist environment? |
Their eggs have flagella and need to swim |
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What has spores or seeds? |
ferns-mosses |
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First plant ever that had seeds... |
Gymnosperms |
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Big pine cones are male of female? |
Female |
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Angiosperms have flowers and fruit. |
Gymnosperms have seeds but no fruit. |
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Where is pollen made in pine trees? |
cluster of small cones at end of the branches |
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Humans are in what era? |
Cenozoic |
