Biology Test 1
Chapter 1 + 2 - combined Ellens set with the short answer
Terms
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- cancer
- the uncontrolled division of cells is called (AIDS, cancer, cystic fibrosis, birth defects)
- Alexander Fleming
- The person responsible for the development of penicillin was (Alexander Fleming, Frederick Banting, Robert Petri, Louis Pasteur)
- True or False , Almost all mutations are considered harmful to the organism with the mutation?
- True
- Exception to statement "All living things are made of cells?' and how?
- viruses = subcellular
- DNA
- heredity is controlled by (cells, DNA, RNA, evolution, inheritance)
- Ice floats on water b/c
- less dense
- hydrogen
- bonds that connect molecules of water to each other are (covalent, ionic, hydrogen) bonds
- Difference btw adhesion and cohesion
- adhesion= 2 different molecules binded together, cohesion - the same type of molecule sticking together
- a proven hypothesis
- a theory is developed from (a law, good guesses, a proven hypothesis, making predictions)
- 98.6
- the temperature at which we "burn" food is (4, 451, 98.6, room temperature)
- If the water is cooled to a lower temperature then what occurs?
- less dense
- energy
- a major way we use carbohydrates in our bodies is for (building materials, energy, making enzymes)
- hydrogen
- saturated fats are full of (lipids, carbon, hydrogen, oxygen, double bonds)
- heredity
- Passing traits from one generation to the next involves (homeostasis, evolution, symbiosis, heredity)
- Why are nucleic acids called nucleic acids?
- form of DNA + RNA located in the nucleus
- gives the protein a definite shape
- hydrogen bonds
- an ionic
- if one atom loses an electron and one atom gains an electron, (a covalent, an ionic, a hydrogen) bond is formed
- Rain water changes from ph6 to ph8, more acidic or basic and by how much?
- basic, 100x
- retains heat
- Earth's temperature remains relatively constant because water (is a good solvent, retains heat, has a high surface tension, is mostly salty)
- hypothesis
- which of the following is testable by experimentation? (hypothesis, prediction, theory, law)
- 2 differences btw saturated fats and unsaturated fats?
- sat fats full of hydrogen bonds, sat = animals, unsat = plants
- relationships between organisms
- Symbiosis involves (the study of life, relationships between organisms, homeostasis, the release or storage of energy)
- surface tension
- an insect walking on the surface of water demonstrates the property of (capillary action, high heat retention, adhesion/cohesion, surface tension)
- homeostasis
- maintaining a body temperature at approximately 98.6° F is an example of (metabolism, evolution, symbiosis, homeostasis, interdependence)
- parasitism
- a dog with roundworms is an example of (commensalism, predation, parasitism, competition)
- several parts that are built the same are assembled in a protein
- subunits
- bases
- compounds that that release hydroxide ions in water are (acids, bases, neutral, nonpolar)
- Frederick Banting
- the person responsible for determining the cause of diabetes was (Alexander Fleming, Frederick Banting, Robert Petri, Louis Pasteur)
- all of these
- biologists may be involved in the solution of (a vaccine for AIDS, saving rain forests, preventing extinction, all of these, none of these)
- sugars ends with ending ___ and give an example and enzymes with __ ?
- ose (glucose) and ase
- What 2 organisms are involved in parasitism?
- parasite & host
- independent variable
- the factor varied in a controlled experiment is the (control, independent variable, dependent variable, hypothesis)
- monosaccharide
- a simple sugar is a/an (isomer, isotope, monosaccharide, polysaccharide, polymer)
- I pledge
- What do you write above your name on a test?
- Why is pH 7 neutral?
- OH- + H+ = h20 =which is a neutral
- ATP
- all organisms use (carbohydrates, lipids, fats, proteins, ATP) as their energy source
- lowers
- activation energy (lowers, raises, varies with temperature) the amount of energy necessary to start a chemical reaction)
- Capillary action allows water to move upward in a stem for a distance of _ ft
- 32
- 2 properties of water determine by hydrogen bonds
- surface tension, retains heat
- lipid
- ear wax is an example of a (carbohydrate, protein, lipid)
- why do we need a carb molecule that we can not diget in our diets?
- removes waste from our bodies
- the specific arrangement of amino acids in a protein
- sequence
- may increase or decrease slightly
- homeostasis means that something--like temperature or sugar-- (remains the same, is decreasing, is increasing, may increase or decrease slightly)
- Continued movement is prevented from moving any higher by
- gravity
- phospholipids
- lipids used to construct cell membranes are (fats, steroids, waxes, phospholipids)
- evolution
- changes in the inherited traits of a species over time is (homeostasis, heredity, reproduction, evolution)
- metabolism
- the sum of all the chemical reactions in an organism is (homeostasis, symbiosis, evolution, metabolism)
- substrate
- the specific substance an enzyme affects is the (substrate, active site, key, monomer)
- Water reaches its maximum density at
- 4(degrees)
- reproduction
- which of these may be more necessary for the species than the individual (metabolism, symbiosis, reproduction, homeostasis)
- gives the protein a definite function
- prosthetic groups
- an element
- a substance made or one kind of atom is (a compound, an element, a solution, heterogeneous)
- How to make observations naturally?
- senses (eyes,ears, nose etc)
- around deep sea vents
- almost all life on Earth gets its energy from the sun except those (on high mountains, in the ocean, around deep sea vents, that eat animals)
- What is a monomer?
- building block
- a quark
- The smallest part of matter is (a subatomic particle, an atom, an element, a quark)
- tell the monomer of the following lipids, proteins, carbs
- (l) fatty acids, glyceroid, (p) amino acids (c) simple sugars
- predation
- an owl interacting with a mouse would be an example of (predation, parasitism, competition, commensilism)
- enzymes
- activation is supplied to processes in our bodies by (proteins, carbohydrates, lipids, enzymes)
- Do humans have any symbiotic relationships? ___ What kind?
- yes, pets & bugs
- water, alchohol
- If 1 liter of alcohol dissolved in 2 liters of water, which one is the solvent and solute?
- paper and cardboard
- the major type of waste in the US is (glass, plastics, aluminum, paper and cardboard)
- covalent
- When two atoms share electrons (covalent, ionic, hydrogen) bonds are formed
- control
- in a controlled experiment, the (control, experimental) group is not given any special treatment
- energy
- a major way that we use fats is for (structural material, energy, enzymes)
- ecology
- interactions of organisms with each other and the nonliving environment is (metabolism, symbiosis, ecology, homeostasis)
- observation
- the scientific process is based on (observation, experiments, hypotheses, theories)
- positive
- when an atom loses an electron, it becomes a (positive, negative, neutral) ion
- An example of carbohydrate molecule we cannot digest?
- fiber
- List the elements that make up carbs, proteins & lipids
- carbon, oxygen, hydrogen, nitrogen
- homeostasis
- toads burying themselves during the hot part of the day would be an example of (interdependence, evolution, metabolism, homeostasis)
- cohesion
- the attraction between two water molecules is (adhesion, cohesion, solubility, strong)
- c12h22011, dehydration sythesis
- C6H12O6 + C6H12O6 = because water is removed by the process of
- cancer
- Which one is not associated in DNA that is passed on tho offspring (birth defects, mutations, cancer, evolution)