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Final BIOD 171 Portage Learning Exam

HEAL100 Health Care — exam and revision material · Other

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Health Care exam material, 20 pages. Originally published on StudyMerit.

Pages
20
Academic year
2025/2026
Language
English

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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. 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. 1

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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 Microorganisms classified as Plantae obtain most of their energy by converting [answer1] energy into [answer2] energy. - RIGHT ANSWER -1. Light (sunlight) 2. chemical (sugars) 2

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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 What is a cofactor? - RIGHT ANSWER -A cofactor is a small chemical component that assists an enzyme during the catalysis reactions. A cofactor is usually metal ions. 3

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