FINAL BIOD 171 PORTAGE LEARNING EXAM REVIEW.

BIOD 171




FINAL BIOD 171
PORTAGE LEARNING
EXAM REVIEW
True/False. A virus is considered a microorganism. - RIGHT ANSWER -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? - RIGHT ANSWER -A cell



What are the four main types of macromolecules found in cells? - RIGHT ANSWER -
Proteins, Lipids, Nucleic Acids, Carbohydrates



Proteins are formed from various combinations of - RIGHT ANSWER -Amino acids



There are how many known forms of amino acids - RIGHT ANSWER -twenty



How many amino acids are classified as being essential amino acids? - RIGHT
ANSWER -Nine



Where can the two major types of nucleic acids be found in the cell? - RIGHT
ANSWER -DNA, RNA. Found in the nucleus.



What is the role of RNA? - RIGHT ANSWER -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.




FINAL BIOD 171 PORTAGE LEARNING EXAM REVIEW

,BIOD 171




What is the role of DNA? - RIGHT ANSWER -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' - RIGHT ANSWER -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 - RIGHT ANSWER -Restricts movement of materials in and
out of the cell & Prevents essential nutrients from escaping



How many carbon atoms are present in glucose? - RIGHT ANSWER -6



True of False: The genetic material within a prokaryotic cell is contained within a
membrane-enclosed region. - RIGHT ANSWER -False

Only eukaryotic cells contain its genetic material within a nucleus.



True or False: Prokaryotic cells can be subdivided into Bacteria and Archaea. - RIGHT
ANSWER -True



True or False: Archaea is noted for its ability to survive under harsh conditions.

Correct! - RIGHT ANSWER -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. - RIGHT ANSWER -Animalia, Plantae, Fungi, Protista




FINAL BIOD 171 PORTAGE LEARNING EXAM REVIEW

, BIOD 171




Microorganisms classified as Plantae obtain most of their energy by converting
[answer1] energy into
[answer2] energy. - RIGHT ANSWER -1. Light (sunlight)

2. chemical (sugars)



Which of the following are considered Protista? Select all that apply. - RIGHT
ANSWER -Algae, Amoeba



The function of the ribosome is - RIGHT ANSWER -Protein synthesis



True or False: Protista retain a unicellular classification, as they are unable to form
tissue layers. - RIGHT ANSWER -True



Where are ribosomes located? - RIGHT ANSWER -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
- RIGHT ANSWER Cell envelope



The function of the mitochondria is - RIGHT ANSWER -To produce energy (ATP)



True or False. All multicellular microorganisms classified as Animalia are autotropic. -
RIGHT ANSWER False



True or False: Metabolism is a controlled set of biochemical reactions that occur in
living organisms in order to maintain life. - RIGHT ANSWER -True



True or False: Enzymes slow down chemical reactions to conserve energy. - RIGHT
ANSWER -False




FINAL BIOD 171 PORTAGE LEARNING EXAM REVIEW