Term
List the steps of SALI in order.
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Definition
1. Orientation
2. Safety
3. Use |
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Term
| How much solvent must you add to 1 mL of a 50% solution to make a 10% solution? |
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Definition
C1V1=C2V2
(1 mL) (.5) = (X mL) (.1)
5 = X mL
5 mL - 1 mL (the initial amount ) = 4 mL added |
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Term
| How much NaCl (MW = 58.4 g/mol) should you add to water to make 100 mL of a .01 M solution? |
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Definition
| 58.4 g/mol * .01 mol/L = 5.84 g/L * .1 L = .584 g |
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Term
| What is the minimum volume that a p10 micropipet will uptake? |
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Definition
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Term
| An organized group of cells, working together as a functional unit is defined as ___? |
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Definition
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Term
| Which plant clade has the greatest number of species and is the most abundant on land? |
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Definition
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Term
| The anther is located in the ___ of a flower. |
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Definition
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Term
| The meristem of a plant is comprised of what? |
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Definition
| Tissue whose cells reproduce as long as the plant lives. |
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Term
| Carnivorous plants digest ___ to obtain ___. They live in ___ soil. |
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Definition
| Carnivorous plants digest insects and small vertebrates to obtain nitrogen. They live in acidic soil. |
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Term
| True or false? Hair on plants was adapted to fight off the cold. |
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Definition
| False, it was adapated to diffract sunlight and is common among xerophytes. |
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Term
| Biotic factors are ___ and abiotic factors are ___. |
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Definition
| Biotic factors are living and abiotic factores are not living. |
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Term
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Definition
| They allow for gas exchange within submerged tissue of the plant. |
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Term
| What are pneuomatophores? |
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Definition
| They are roots which protrude from the ground. |
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Term
| What happens during a type I error? Is it a false negative or a false positive? |
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Definition
| In a type I error, the null hypothesis is rejects and the alternate hypothesis is accepted when it should not be. This is a false positive. |
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Term
| What happens during a type II error? Is it a false negative or a false positive? |
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Definition
| In a type II error, the null hypothesis is rejected when the alternate hypothesis should be accepted. This is an example of a false negative. |
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Term
| What is the difference between a positive and negative control? |
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Definition
| In a positive control, a known result is produced. In a negative control, there is no result from the treatment. |
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Term
| What does the P value obtained tell you? |
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Definition
| The P value is the chance that the results are due to change; the chance the the null hypothesis is correct. |
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Term
| Why are samples used in experiments? |
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Definition
| Samples are used to differentiate between random variation and variation among treatment. |
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Term
| What are advantages of closed circulatory systems compared to open circulatory systems? |
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Definition
Closed circulatory systems can:
1. Transport blood rapidly and to specific tissue
2. Keep blood and organs separate
3. Support higher levels of metabolism |
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Term
| Why is segmentation important in animal evolution? |
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Definition
| It has allowed organisms to alter their body in complex ways. |
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Term
| Earthworms have a ___ skelton and movement of ___ muscles allow it to move. |
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Definition
| Earthworms have a hydrostatic skeleton and movement of its longitudinal muscles allow it to move. |
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Term
| The crop in a cockroach is equivalent to a ___ in a rabbit. |
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Definition
| The crop in a cockroach is equivalent to a stoumach in a rabbit. |
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Term
| What type of tissue is responsible for secreting digestive enzymes? |
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Definition
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Term
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Definition
| Phylogeny is the evolutionary relationship among organisms. |
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Term
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Definition
| An invertebrate with a chitinous exoskeleton. |
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Term
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Definition
| Cephalization is when the nervous system develops on a certain side of the organism. |
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Term
| Describe the molluscan body plan with three words |
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Definition
1. Foot
2. Visceral mass
3. Mantle |
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Term
| The segment of a population all born at the same time is called a what? |
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Definition
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Term
| If a birth rate is x, then the intrinsic rate of increase is what? |
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Definition
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Term
| When a population is at its carrying capacity (K), what is true about the birth rate and the death rate? |
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Definition
| The birth rate = death rate when the carrying capacity is at its K. |
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Term
| What does a mortality rate of 1.00 mean for a certain age interval? |
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Definition
| It means 100% of the organisms in that age interval will die before they reach the next age interval. |
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Term
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Definition
| Fecundity is the number of offspring produced by a cohort. |
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Term
| What does an operon consist of? |
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Definition
| An operon consists of a promoter, an operon and two or more genes. |
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Term
| True or false? Plasmids are integrated into the host's genome. |
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Definition
| False, the genome is separate from the plasmid of a cell. |
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Term
| True or false? Recombinant DNA is effective in altering traits controlled by multiple genes. |
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Definition
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