Here are the questions I told you, I need them in not more than an hour
1. (TCO 1) Over the past week or so, you’ve noticed many people eating a type of candy bar that looks really good. You think to yourself that the local grocery store must have just started selling the candy. Your prediction is _____. (Points : 4) a type of observation
an example of an experimental question
a type of control
an example of a hypothesis
Question 2.2. (TCO 1 ) You notice that more children are dropped off at school on cold, rainy days than on warm, sunny days. This is an example of a(n) _____. (Points : 4) observation
All of the above
Question 3.3. (TCO 2) Based on the specific heat, which type of cookware would heat up the fastest? (Points : 4) Titanium: Specific heat is 0.5226 J/g °C.
Aluminum: Specific heat is 0.925 J/g °C.
Tin: Specific heat is 0.2274 J/g °C.
Copper: Specific heat is 0.3845 J/g °C.
Iron: Specific heat is 0.4494 J/g °C.
Question 4.4. (TCO 2) How do you find the atomic number of an atom? (Points : 4) Add up the number of protons, electrons, and neutrons in the atom.
Add up the number of protons and electrons in the atom.
It is equal to the number of protons in the atom.
It is equal to the number of neutrons in the atom.
Find the net electrical charge of the atom.
Question 5.5. (TCO 2) Which particles are found in the nucleus of an atom? (Points : 4) Only neutrons
Protons and electrons
Protons and neutrons
Question 6.6. (TCO 3) Which happens to the substance that is oxidized during an oxidation-reduction reaction? (Points : 4) It gives up hydrogen atoms.
It takes on oxygen atoms.
It becomes a charged species.
It shows a gain of electrons.
It shows a loss of electrons.
Question 7.7. (TCO 3) Atom X forms a -2 anion. Atom Y forms a +1 cation. Which is the overall charge of the polyatomic ion XY4? (Points : 4) 0
Question 8.8. (TCO 3) The following reaction takes place when aluminum is mixed with bromine. It is an example of a _____ reaction. 2Al + 3Br2 à 2AlBr3. (Points : 4) double-replacement
Question 9.9. (TCO 4) Which volume of 2.5% (m/v) NaCl can be prepared from 185 mL of a 8.0% NaCl solution? (Points : 4) 57.8 mL
Question 10.10. (TCO 4) Ammonia (NH3) accepts a proton from water. Which of the statements listed below is true according to Bronsted-Lowry definitions? (Points : 4) Ammonia is a base.
Ammonia is an acid.
Ammonia produces H+ ions in aqueous solutions.
Ammonia acts as a solvent.
Ammonia is neutral.
Question 11.11. (TCO 4) Which type is reaction is happening in the following chemical equation?
HCl + NaOH –> NaCl + HOH (Points : 4) Ionization
Question 12.12. (TCO 5) Which of the following groups are composed of all polysaccharides? (Points : 4) Sucrose, starch, and cellulose
Starch, amino acids, and glycogen
Nucleotides, starch, and glycogen
All of the above
None of the above
Question 13.13. (TCO 5) A list of organic compounds is shown below. Which one has both carboxyl and an amino group? (Points : 4) Amino acids
Question 14.14. (TCO 5) Which of the following statements about DNA and RNA is correct? (Points : 4) RNA is double stranded; DNA is single stranded.
DNA is found in the nucleus; RNA is never found in the nucleus.
In DNA, adenine pairs with guanine; in RNA, adenine pairs with thymine.
DNA contains thymine; RNA contains uracil.
DNA consists of five different nucleotides; RNA consists of four different nucleotides.
Question 15.15. (TCO 6) An animal cell is placed in a hypotonic solution. Which will happen? (Points : 4) The cell will lyse.
The cell will experience turgor.
Nothing will happen.
The cell will shrivel.
The cell will lose water.
Question 16.16. (TCO 6) Which of the following is paired incorrectly? (Points : 4) Peroxisome: Catalase
Ribosome: Protein synthesis
Question 17.17. (TCO 6) If a cell’s cytoskeleton disappeared, the cell would _____. (Points : 4) move more quickly
divide into two cells
need to manufacture more lysosomes
Question 18.18. (TCO 7) The reactions of glycolysis occur _____. (Points : 4) in the cytosol
in the ER
within the fluid just inside the inner mitochondrial membrane
between the inner and outer mitochondrial membrane
along the outside of the outer mitochondrial membrane
Question 19.19. (TCO 7) Which substances are produced during the light-dependent reactions? (Points : 4) ATP and NADH
ATP and NAD+
ATP and NADPH
RuBP and O2
ATP and NADP+
Question 20.20. (TCO 7) How is respiration (the act of breathing) different from cellular respiration? (Points : 4) Respiration produces ATP; cellular respiration is gas exchange.
Respiration is gas exchange; cellular respiration produces ATP.
Respiration produces glucose; cellular respiration produces oxygen.
Respiration uses glucose; cellular respiration produces glucose.
Respiration produces glucose; cellular respiration is gas exchange.
Question 21.21. (TCO 8) Which enzymes add new nucleotides during DNA replication? (Points : 4) DNA helicases
Question 22.22. (TCO 8) Which happens during metaphase? (Points : 4) The nuclear envelope breaks up.
Chromosomes line up on the midline of the cell.
Question 23.23. (TCO 8) Bacterial RNA polymerase binds to the _____. (Points : 4) operator
Question 24.24. (TCO 9) Jordan does not have freckles, a trait that is recessive to having freckles. His wife Asia is heterozygous for freckles. Which is the probability of Jordan and Asia having a child with freckles? (Points : 4) 0%
Question 25.25. (TCO 9) How would you describe a transgenic animal? (Points : 4) An animal that is the first of its kind to bear a particular allele
An animal in which a genetic defect has been corrected using recombinant DNA therapy
An animal containing a gene from a third parent, which may even be another species
An animal containing genes from both its parents
An animal containing genes from three or more species
Question 26.26. (TCO 9) There are a number of recombinant DNA drugs available on the market today. Not every drug will make it to the market, though, because problems may occur. Which of the following is an example of a problem that could prevent a drug from being marketed? (Points : 4) Production of a human protein that is unable to function properly
Formation of a bacterium that cannot synthesize the product
A bacterium with DNA that is resistant to restriction enzymes
Formation of a product that is not sensitive to proteolytic enzymes
Formation of mutants
Question 27.27. (TCO 10) Natural selection consists of all of the following, except (Points : 4) some variation can be passed on to offspring.
all species are descended from a common ancestor.
populations produce more offspring than the environment can support.
individuals in a population vary.
organisms with greater fitness produce more offspring.
Question 28.28. (TCO 10) Whose work dispelled the notion of spontaneous generation of life? (Points : 4) Louis Pasteur
Jean Baptiste Lamarck
Antony van Leeuwenhoek
Question 29.29. (TCO 10) In ferns, which stage in the alternation of generations is larger? Is this stage haploid or diploid? (Points : 4) Sporophyte: haploid
The same size: haploid
Question 30.30. (TCO 10) Mules, which are not able t
o reproduce, are the offspring of a donkey and a horse. This is an example of (Points : 4) a postzygotic reproductive barrier.
speciation by hybridization.
an adaptive radiation.
Question 31.31. (TCO 10) The diseases listed below are all caused by viruses, except for (Points : 4) herpes.
influenza (the flu).
Question 32.32. (TCO 11) Emperor penguins and crabeater seals in the Antarctic both feed on krill. Which relationship can be said to exist between the penguins and the seals? (Points : 4) Predation
Question 33.33. (TCO 11) If a population has unlimited resources, it will exhibit _____ growth. (Points : 4) mathematical
Question 34.34. (TCO 11) The Atlantic Ocean and the Pacific Ocean belong to the same _____. (Points : 4) abiota
Question 35.35. (TCO 11) The seafloor is also known as the _____. (Points : 4) thermocline
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