BIOD 171 Finals: Questions and Correct Answers
True/False. A virus is classified as a microbe. - ANS -TRUE
True or False: The smallest biological unit of life is the molecule. - ANS -FALSE -SMALLEST UNIT OF LIFE IS T
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BIOD 171 Finals: Questions and Correct Answers
True/False. A virus is classified as a microbe. - ANS -TRUE
True or False: The smallest biological unit of life is the molecule. - ANS -FALSE -SMALLEST UNIT OF LIFE IS THE CELL.
At a generalized level, all cells are comprised of what? - ANS - PROTEINS, LIPIDS, NUCLEIC ACIDS, AND POLYSACCHARIDES
How many different types of amino acids are available from which to make proteins? - ANS - 20
How many amino acids are classified as being essential amino acids? - ANS - 9
What are the two major types of nucleic acids and their roles? - ANS - DNA (DEOXYRIBONUCLEIC ACIDS): CONTAINS GENETIC MATERIAL AND HEREDITARY INFO IN LIVING ORGANISMS, RNA (RIBONUCLEIC ACID): DECODES SEQUENCE OF HEREDITARY INFO THAT IS FOUND IN DNA
Complete the following DNA strand, and indicate how many bonds are formed for each complementary pair:
3' GGTCATCG 5'
5' CC AGC 3' - ANS -3' GGTCATCG 5',
5' CCAGTAGC 3',
2 bonds between A & T, 3 bonds between C & G
The plasma membrane (select all that are true): - ANS -RESTRICTS MOVEMENT OF MATERIALS IN AND OUT OF THE CELL, PREVENTS ESSENTIAL NUTRIENTS FROM ESCAPING
How many carbon atoms are present in the monosaccharide glucose? - ANS -6
The molecular formula of Glucose is - ANS - C6H12O6
True of False: The genetic material within a prokaryotic cell is contained within a membrane-enclosed region. - ANS - FALSE , ONLY EUKARYOTIC CELLS CONTAIN GENETICS IN NUCLEUS.
True or False: Prokaryotic cells can be subdivided into Bacteria and Archaea. - ANS - TRUE
True or False: Archaea is noted for its ability to survive under harsh conditions. - ANS - TRUE
Which of the following microorganisms are considered to be Eukarya? Select all that apply. - ANS -ANIMALIA , PLANTAE , FUNGI, PROTISTA
Microorganisms classified as _________ obtain most of their energy by converting light energy into chemical energy. - ANS - PLANTAE
Which of the following are considered Protista? Select all that apply. - ANS - ALGAE , AMOEBA
True or False: Protista retain a unicellular classification, as they are unable to form tissue layers. - ANS -TRUE
The function of the lysosome is (select all that apply): - ANS - WASTE DISPOSAL VIA HYDROLYTIC ENZYMES
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