BIOLOGY 1033 EXAM-Questions with Correct Answers/ Latest Update/ 100% Pass
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Course
Biology 1033
Institution
Biology 1033
Poison ivy is a plant whose oil causes skin rashes. Scientists want to perform an experiment
to see if poison ivy grows taller when exposed to more carbon dioxide. How should the
control group in this experiment be treated? The control group should have plants growing
__________________. -️️...
BIOLOGY 1033 EXAM -Questions with Cor rect Answers/ Latest Update / 100% Pass Poison ivy is a plant whose oil causes skin rashes. Scie ntists want to perform an experiment to see if poison ivy grows taller when exposed to more carbon dioxide. How should the control group in this experiment be treated? The control group should have plants growing __________________. - ✔️✔️at normal carbon dioxide level The gene theory declares that all organisms contain coded information in __________ which dictates the form and function of organisms - ✔️✔️DNA All the giraffes living on a savannah at the same time is a (n) _______ - ✔️✔️Population A scientist who studi es the effects of fire, temperature and rainfall on all the living organisms in a tropical rain forest is studying at the level of the_____ - ✔️✔️Ecosystem Using binomial nomenclature in taxonomy, the scientific name for the blue whale is Balaenoptera mus culus. Balaenoptera is the ___________. - ✔️✔️Class Steps to investigate why maple trees drop their leaves in autumn are as follows: (1) Based on observations, a scientist asks why maple trees drop their leaves. (2) Based on observations and research of t he literature he proposes that maple trees drop their leaves because of colder temperatures. (3) To test this explanation, maple trees are grown in two greenhouses where the only variable is temperature (10C vs. 27C). (4) Data is collected over time and th ere is a statistical difference in the number of leaves dropped at 10C as compared to 27C. (5) Based on this data analysis, the explanation that maple trees drop their leaves because of colder temperatures is supported and accepted., The hypothesis is stat ed in step # __________ - ✔️✔️2 Identify the correct list of Domains of life of all prokaryotes - ✔️✔️Archaea, Bacteria The theory of _______________ is change in heritable characteristics of biological populations over successive generations. - ✔️✔️Evol ution The complete set of ________________of an organism is called its proteome. - ✔️✔️Proteins The pH of a solution can be kept constant by adding the correct ______ to the solution. - ✔️✔️Buffer Of the following elements, which is the least common in living organisms? - ✔️✔️Iodine Within a single molecule of water, two hydrogen molecules are bonded to a single oxygen atom by sharing electrons in ________ bonds - ✔️✔️Polar covalent. The ___________ bond is a weak attraction between a partially positive hydrogen and a partially negative atom as forms between water molecules - ✔️✔️Hydrogen All of these are properties of water except not that ______ - ✔️✔️Water molecules themselves are a good source of energy in our diet Which of the following pH values represents the strongest acid? - ✔️✔️1 Ca++ is a representation of a(n) _______ - ✔️✔️Ion Isotopes, such as C12, C13, C14, are different forms of the same element that ______ - ✔️✔️Differ in their number of neutrons. Hydrophilic substances are _______; whereas hydrophobic substances are ______ - ✔️✔️Answer: A B C are all correct (Water loving water fearing; Soluble in water not soluble in water; Ionic or polar covalent nonpolar) With an atomic mass of 13 and an atomic number of 6, it follows that this carbon atom has ___________ protons, _________ electrons, and __________ neutrons - ✔️✔️6, 6, 7 Identify the organic molecule in the following list of substances. - ✔️✔️C6H12O6, glucose When 3 fatty acids are bonded to a glycerol backbone through ester bonds, a ______ is formed. - ✔️✔️Fat / triglyceride Animal fats, such as bacon grease, are _____ at room temperature and are ______________ molecules. - ✔️✔️Solid, saturated The major cl ass of macromolecules that stores energy and makes up the major component of plasma membranes is _____________ - ✔️✔️Lipids. What type of macromolecule carries out catalysis, the speeding up of chemical reactions in cells? - ✔️✔️Proteins called enzymes A dehydration / condensation reaction ___________________ - ✔️✔️is used to build polymers. breaks triglycerides (fats) into glycerol and fatty acids results in the splitting of a water molecule breaks down complex molecules to simple ones. __________ is a polysaccharide that forms both the exoskeleton of insects and the cell walls of fungi - ✔️✔️Chitin If sucrose is made by putting together 2 simple sugars, glucose and fructose, then sucrose must be a __________ - ✔️✔️Disaccharide This deh ydration reaction involves removing _______ to form water. - ✔️✔️OH and H
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