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BIOD 171 Portage Learning Final Exam Review questions with correct answers
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BIOD 171 Portage Learning Final Exam Review questions with correct answers
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BIOD 171 Portage Learning Final Exam Review questionswith correct answers
True/False. A virus is considered a microorganism. - ** VERIFIED ANSWERS **✔✔False, Viruses
are not living and as such are not considered microorganisms. Viruses can, however, be classified as
microbes, a more general term that includes microorganisms and viruses.
What is the smallest biological unit of life? - ** VERIFIED ANSWERS **✔✔A cell
What are the four main types of macromolecules found in cells? - ** VERIFIED ANSWERS
**✔✔Proteins, Lipids, Nucleic Acids, Carbohydrates
Proteins are formed from various combinations of - ** VERIFIED ANSWERS **✔✔Amino acids
There are how many known forms of amino acids - ** VERIFIED ANSWERS **✔✔twenty
How many amino acids are classified as being essential amino acids? - ** VERIFIED ANSWERS
**✔✔Nine
Where can the two major types of nucleic acids be found in the cell? - ** VERIFIED ANSWERS
**✔✔DNA, RNA. Found in the nucleus.
What is the role of RNA? - ** VERIFIED ANSWERS **✔✔RNA , found in the nucleus is capable of
leaving the nucleus. RNA is repsponsible for deciphering the hereditary information in DNA and
uses it to synthesize proteins.
What is the role of DNA? - ** VERIFIED ANSWERS **✔✔DNA, found in the nucleus contains vast
amount of hereditary inforamtion, responible for inhereitable characteristic os living organisms.
Complete the following RNA strand, and indicate how many bonds are formed for each
complementary pair:
,3' GGUCAUCG 5'5' CC AGC 3' - ** VERIFIED ANSWERS **✔✔3' GGUCAUCG 5'5' CCAGUAGC
3'There are 2 bonds formed between A and U, and 3 bonds between G and C.
The plasma membrane - ** VERIFIED ANSWERS **✔✔Restricts movement of materials in and out
of the cell & Prevents essential nutrients from escaping
How many carbon atoms are present in glucose? - ** VERIFIED ANSWERS **✔✔6
True of False: The genetic material within a prokaryotic cell is contained within a membrane-
enclosed region. - ** VERIFIED ANSWERS **✔✔False
Only eukaryotic cells contain its genetic material within a nucleus.
True or False: Prokaryotic cells can be subdivided into Bacteria and Archaea. - ** VERIFIED
ANSWERS **✔✔True
True or False: Archaea is noted for its ability to survive under harsh conditions.
Correct! - ** VERIFIED ANSWERS **✔✔True
Archaea can often be found in harsh conditions such as high salt levels, high acid conditions, high
temperatures and even oxygen-poor conditions.
Which of the following microorganisms are considered to be Eukarya? Select all that apply. - **
VERIFIED ANSWERS **✔✔Animalia, Plantae, Fungi, Protista
Microorganisms classified as Plantae obtain most of their energy by converting [answer1] energy
into [answer2] energy. - ** VERIFIED ANSWERS **✔✔1. Light (sunlight)
2. chemical (sugars)
Which of the following are considered Protista? Select all that apply. - ** VERIFIED ANSWERS
**✔✔Algae, Amoeba
The function of the ribosome is - ** VERIFIED ANSWERS **✔✔Protein synthesis
, True or False: Protista retain a unicellular classification, as they are unable to form tissue layers. - **
VERIFIED ANSWERS **✔✔True
Where are ribosomes located? - ** VERIFIED ANSWERS **✔✔cytoplasm of prokaryotic cells and in
the ER of eukaryotic cells.
The combination of the cell membrane and the outer membrane is referred to as the - ** VERIFIED
ANSWERS **✔✔Cell envelope
The function of the mitochondria is - ** VERIFIED ANSWERS **✔✔To produce energy (ATP)
True or False. All multicellular microorganisms classified as Animalia are autotropic. - ** VERIFIED
ANSWERS **✔✔False
True or False: Metabolism is a controlled set of biochemical reactions that occur in living organisms
in order to maintain life. - ** VERIFIED ANSWERS **✔✔True
True or False: Enzymes slow down chemical reactions to conserve energy. - ** VERIFIED ANSWERS
**✔✔False
What is a cofactor? - ** VERIFIED ANSWERS **✔✔A cofactor is a small chemical component that
assists an enzyme during the catalysis reactions. A cofactor is usually metal ions.
Define catabolism - ** VERIFIED ANSWERS **✔✔Catabolism is the process of breaking down
larger molecules into useful energy sources.
In order to convert proteins into amino acids which metabolic process would be active? - **
VERIFIED ANSWERS **✔✔Catabolism would be active as proteins are made up of amino acids.
Therefore the process described (proteins into amino acids) is the breakdown, or catabolism of
protein.
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