Question

_19. C-14 and C-12 are isotopes. This means that C-14 and C-12 both have six (6) _ in the nucleus but they DIFFER in the number of _ in the nucleus. a) protons, electrons b) neutrons, protons c) protons, neutrons d) neutrons, electrons _20. The chemical reaction: sucrose + water --> glucose + fructose, is an example of a(n) _ reaction. a) dehydration synthesis b) chain c) hydrolysis d) exchange. _21. Which of the following statements is not true about the atom ^20_10 Ne ? a) it has 10 protons in its nucleus b) its atomic weight is 20 c) it has 10 electrons orbiting the nucleus d) its atomic number is 10 e) it has 20 neutrons in its nucleus _22. The yeast commonly found in packages in the grocery store is useful to us humans when it comes to both food and drink. In bread production, the yeast ferment sugar to produce _ gas to cause the bread to rise. In wine production, the yeast ferment sugar in grape juice to produce _ which some of us like to consume on occasion. a) nitrogen; acetone b) oxygen; glutamate c) hydrogen; acetic acid d) carbon dioxide; ethanol _23. This coronavirus _ first emerged in the human population around 2002 in China. The original host is believed to be the civet (in the cat family). Compared to the current coronavirus, it had a higher mortality rate but fortunately was less transmissible among humans. a) West Nile virus b) SARS virus c) Creutzfeld-Jakob virus d) Ebola virus _24. Which statement would NOT be correct regarding glucose? a) two types of glucose polymers are the energy rich starch and glycogen b) it can be found in a linear form but when in water, it is in a cyclic form c) when it is in water, glucose with all of its alcohol groups dissolves easily because it is hydrophilic d) since it is a carbohydrate, it has carbon, hydrogen and oxygen in the ratio of 2C : 1H : 2O _25. The _ structure involves the amino acid sequence of a polypeptide or protein whereas the _ structure involves the interaction of more than one polypeptide chain. a) secondary; tertiary b) primary; secondary c) primary; quaternary d) tertiary; quaternary _26. Which of the following would not be a component of a nucleotide that is part of RNA? a) ribose b) thymine c) phosphate d) uracil _27. A solution with a pH of 5 _ than a solution that has a pH of 1. a) has less OH- b) has more H+ c) has less H+ d) is less concentrated _28. Archaebacteria are prokaryotic microorganisms that can live in very hostile environments such as very salty environments such as the Dead Sea or hot springs. They are sometimes known as _ because of the conditions they live under. a) xenophiles b) extremophiles c) extemporanials d) intransigents

          ___19. C-14 and C-12 are isotopes. This means that C-14 and C-12 both have six (6) ___ in the nucleus but they DIFFER in the number of ___ in the nucleus.
a) protons, electrons b) neutrons, protons c) protons, neutrons d) neutrons, electrons
___20. The chemical reaction: sucrose + water --> glucose + fructose,
is an example of a(n) ___ reaction.
a) dehydration synthesis b) chain c) hydrolysis d) exchange.
___21. Which of the following statements is not true about the atom ^20_10 Ne ?
a) it has 10 protons in its nucleus
b) its atomic weight is 20
c) it has 10 electrons orbiting the nucleus
d) its atomic number is 10
e) it has 20 neutrons in its nucleus
___22. The yeast commonly found in packages in the grocery store is useful to us humans when it comes to both food and drink. In bread production, the yeast ferment sugar to produce ___
gas to cause the bread to rise. In wine production, the yeast ferment sugar in grape juice to produce
___ which some of us like to consume on occasion.
a) nitrogen; acetone b) oxygen; glutamate
c) hydrogen; acetic acid d) carbon dioxide; ethanol
___23. This coronavirus ___ first emerged in the human population around 2002 in China. The original host is believed to be the civet (in the cat family). Compared to the current coronavirus, it had a higher mortality rate but fortunately was less transmissible among humans.
a) West Nile virus b) SARS virus c) Creutzfeld-Jakob virus d) Ebola virus
___24. Which statement would NOT be correct regarding glucose?
a) two types of glucose polymers are the energy rich starch and glycogen
b) it can be found in a linear form but when in water, it is in a cyclic form
c) when it is in water, glucose with all of its alcohol groups dissolves easily because it is hydrophilic
d) since it is a carbohydrate, it has carbon, hydrogen and oxygen in the ratio of 2C : 1H : 2O
___25. The ___ structure involves the amino acid sequence of a polypeptide or protein whereas the ___ structure involves the interaction of more than one polypeptide chain.
a) secondary; tertiary b) primary; secondary
c) primary; quaternary d) tertiary; quaternary
___26. Which of the following would not be a component of a nucleotide that is part of RNA?
a) ribose b) thymine c) phosphate d) uracil
___27. A solution with a pH of 5 ___ than a solution that has a pH of 1.
a) has less OH- b) has more H+ c) has less H+ d) is less concentrated
___28. Archaebacteria are prokaryotic microorganisms that can live in very hostile environments such as very salty environments such as the Dead Sea or hot springs. They are sometimes known as ___ because of the conditions they live under.
a) xenophiles b) extremophiles c) extemporanials d) intransigents

19. C-14 and C-12 are isotopes. This means that C-14 and C-12 both have six (6) in the nucleus but they DIFFER in the number of in the nucleus.
a) protons, electrons b) neutrons, protons c) protons, neutrons d) neutrons, electrons
20. The chemical reaction: sucrose + water –> glucose + fructose,
is an example of a(n) reaction.
a) dehydration synthesis b) chain c) hydrolysis d) exchange.
21. Which of the following statements is not true about the atom ^2010 Ne ?
a) it has 10 protons in its nucleus
b) its atomic weight is 20
c) it has 10 electrons orbiting the nucleus
d) its atomic number is 10
e) it has 20 neutrons in its nucleus
22. The yeast commonly found in packages in the grocery store is useful to us humans when it comes to both food and drink. In bread production, the yeast ferment sugar to produce
gas to cause the bread to rise. In wine production, the yeast ferment sugar in grape juice to produce
which some of us like to consume on occasion.
a) nitrogen; acetone b) oxygen; glutamate
c) hydrogen; acetic acid d) carbon dioxide; ethanol
23. This coronavirus first emerged in the human population around 2002 in China. The original host is believed to be the civet (in the cat family). Compared to the current coronavirus, it had a higher mortality rate but fortunately was less transmissible among humans.
a) West Nile virus b) SARS virus c) Creutzfeld-Jakob virus d) Ebola virus
24. Which statement would NOT be correct regarding glucose?
a) two types of glucose polymers are the energy rich starch and glycogen
b) it can be found in a linear form but when in water, it is in a cyclic form
c) when it is in water, glucose with all of its alcohol groups dissolves easily because it is hydrophilic
d) since it is a carbohydrate, it has carbon, hydrogen and oxygen in the ratio of 2C : 1H : 2O
25. The structure involves the amino acid sequence of a polypeptide or protein whereas the structure involves the interaction of more than one polypeptide chain.
a) secondary; tertiary b) primary; secondary
c) primary; quaternary d) tertiary; quaternary
26. Which of the following would not be a component of a nucleotide that is part of RNA?
a) ribose b) thymine c) phosphate d) uracil
27. A solution with a pH of 5 than a solution that has a pH of 1.
a) has less OH- b) has more H+ c) has less H+ d) is less concentrated
28. Archaebacteria are prokaryotic microorganisms that can live in very hostile environments such as very salty environments such as the Dead Sea or hot springs. They are sometimes known as because of the conditions they live under.
a) xenophiles b) extremophiles c) extemporanials d) intransigents

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