biogenCHAPTER 6
8
. Which of the following clues would tell you whether the cell is prokaryotic or eukaryotichas Student Response Correct Answer A. the presence or absence of a rigid cell wall B. the presence or absence of a cell membrane C . whether or not the cell has a nucleus D. whether or not the cell contains DNA Score: 1/1 2. Bacteria that are engulfed by a white blood cell will be destroyed by hydrolytic enzymes inside ________________. Student Response Correct Answer A. chloroplast B. nucleus C. ribosomes D. lysosomes Score: 1/1 3. Prokaryotic cells rae characteristics of Student Response Correct Answer A. plants B. protists C . bacteria D. animals
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Transcript of biogenCHAPTER 6
.
Which of the following clues would tell you whether the cell is prokaryotic or eukaryotichas
Student Response Correct Answer
A. the presence or absence of a rigid cell wall
B. the presence or absence of a cell membrane
C. whether or not the cell has a nucleus
D. whether or not the cell contains DNA
Score: 1/1
2.
Bacteria that are engulfed by a white blood cell will be destroyed by hydrolytic enzymes inside ________________.
Student Response Correct Answer
A. chloroplast
B. nucleus
C. ribosomes
D. lysosomes
Score: 1/1
3.
Prokaryotic cells rae characteristics of
Student Response Correct Answer
A. plants
B. protists
C. bacteria
D. animals
E. fungi
Score: 1/1
4.
Protein synthesis in a bacterial cell is done by _____.
Student Response Correct Answer
A. cell membrane
B. nucleus
C. 70S ribosomes
D. 80S ribosomes
Score: 1/1
5.
Bacteria are prokaryotic cells, which means that they lack a nucleus.
Student Response Correct Answer
A. true
B. False
Score: 1/1
6.
A cell's nucleolus is found in it's
Student Response Correct Answer
A. chloroplast
B. cytoplasm
C. nucleus
D. mitochondria
Score: 1/1
7.
Like eukaryotes, prokaryotes may contain all the following EXCEPT
Student Response Correct Answer
A. plasma membrane
B. cell wall
C. mitochondria
D. ribosomes
Score: 0/1
8.
Which of the following is found only in plant cells?
Student Response Correct Answer
A. ribosomes
B. mitochondria
C. centrioles
D. chloroplasts
Score: 1/1
9.
The smallest cells are _____.
Student Response Correct Answer
A. viruses
B. bacteria
C. animals
D. plants
Score: 1/1
10.
The microscope you use in the lab is called a compound light microscope because
Student Response Correct Answer
A. you look through more than one lens
B. uses light
C. uses a beam of electron
D. a and b are correct
Score: 1/1
CHAPTER 6
1.
Catabolic reaction
A. releases energy
2.
The breakdown of ATP to ADP + P is a _____ reaction.
A. exergonic
3.
Enzymes are _________.
D. all of the above
4.
The minimum energy needed to start a chemical reaction is called _______.
D. activation energy
5.
The building blocks of lipids rae
C. fatty acids and Glycerol
6.
Each enzyme has an __________ where the substarte can bind
A. active site
7.
The pH in the stomach is about 2 and the pH in the small intestine is about 8. What will happen to pepsin, an enzyme that digests proteins to peptides in the stomach, when it moves into the small intestine?
D. A & B are correct
8.
ATP is a _____.
D. nucleotide
9.
Enzymes are _____.
A. proteins
10.
Which of the following is NOT an enzyme?
D. sodiem bicarbonate
1.
Reactions which require an input of energy ___________.
Student Response Correct Answer
A. are exergonic
B. are endergonic
C. will never occur
Score: 1/1
2.
An allosteric site on an enzyme is
Student Response Correct Answer
A. the same as the active site
B. where ATP attached and gives off energy
C. often involved in feed back inhibition
D. all of the above are correct
Score: 1/1
3.
Photosynthesis is an example of __________ reactions
Student Response Correct Answer
A. catabolic (braking down)
B. anabolic (synthesis)
C. exergonic
D. non of the above
Score: 0/1
5.
Small molecules that require by some enzymes in order to function are called _______.
Student Response Correct Answer
A. substrates
B. cofactors
C. products
D. active molecules
Score: 1/1
7.
Enzymes speed up chemical reactions by __________ the energy of acyivation.
Student Response Correct Answer
A. increasing
B. decreasing
C. fluctauting
Score: 0/1
CHAPTER 31.
An ion is an atom that contains more protons than electrons more, electrons than protons
2.
Carbohydrates include all of the following EXCEPT __STEROLS____.
3.
Which of the following is considered a macromolecule? NUCLEIC ACID
4.
Which of the following is NOT one of the classes of primary organic molecules? SALTS
5.
C6H12O6 ia a molecule made ofCarbon:hydrogen:Oxygen with a ratio of 1:2:1. Based on this, it is considered SUGAR , NUCLEOTIDE
6.
Saturated fatty acids are so named becuse thaey are saturated with HYDROGEN
7.
The three-dimensional shape of a polypeptide is associated with its _ tertiary structure.
8.
Fatty acids are components of triglycerides
9.
Which one of the following molecules is not a polymer of glucose lactose
10.
Keratin is a protein found in NAILS
CHAPTER 5
