Answered: Which type of molecules would you…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

1- Which type of molecules would you expect to easily dissolve in water

1- Charged molecules

2- Non-polar molecules

3- Polar molecules

4- Both 1 & 3

2- Cholesterol and steroid hormones are among biologically important macro molecules grouped into

1- Proteins

2- Lipids

3- Carbs

4- Nucleic Acids

3- A primary function of lipids in organisms is

1- Component of a cell membrane

2- Energy

3- Hormones

4- All of these

4- An organelle associated with packaging proteins and export from the cell

1- Plastids

2- Lysosomes

3- Golgi body

4- Ribosomes

5- The lipid bilayer of cell membranes has an arrangement where the hydrophobic ends of the phospholipids are

1- On the inside of the bilayer

2- Oriented to completely pass the bilayer

3- Very rigidly anchored in place

4- On the outside of the bilayer

6- Active transports of substances across a cell membrane differs from passive transport in that

1- Active transport requires energy and passive transport does not

2- Active transport moves molecules against their concentration gradient

3- Passive transport usually involves small uncharged molecules

4- 1 and 2

7- These are responsible for cell locomotion and the cells structural characteristics

1- Microfilaments

2- Flagellum

3- Cilia

4- Cholesterol

8- Produces secretory proteins

1- Smooth ER

2- Rough ER

3- Ribosomes

4- Golgi Body

9- Nucleotide is composed of

1- A pentose group, a carb group and a base

2- A dextrose group, a protein and a base

3- A pentose sugar, a phosphate group and a base

4- A pentose group, phosphate sugar and a base

10- What organelle is covered with ribosomes

1- Smooth ER

2- Rough ER

3- Lysosomes

4- Golgi apparatus

11- Polysaccharides and proteins are polymers of ____ and ____, respectively.

1- sugars, amino acids

2- amino acids, sugars

3-nucleic acids, amino acids

4- oxygen, hydrogen

12- Enzymes are made up of polymers of ____________.

1- amino acids

2- sugars

3- fats

4- nucleic acids

13- Messenger RNA, mRNA, the macro molecule which is the template for translation of the genetic message from DNA into proteins, is a polymer of _______

1- deoxyribonucleic acid

2- ribonucleic acid

3- nitrogenous bases

4- phosphates

14- In laboratory, Heating is necessary for identification of

1- Lipids

2- carbohydrates

3- DNA

4- Proteins

15-In lab diagnosis for simple carbohydrates, Benedict’s indicator changes from ______ color to_______color.

1- Red - Blue

2- Yellow- Green

3- Blue- Orange

4- Blue- Aqua blue

16- What is the name of the process in which energy is released in a cell in the presence of sufficient oxygen?

1- anaerobic respiration

2- aerobic respiration

3- fermentation

4- glycolysis

17- Proteins are to ribosomes as ATP is to which of the following cell organelles?

1- Centrioles

2- Mitochondria

3- Nucleus

4- Golgi apparatus

18- Which color light has the most energy to power photosynthesis for plants?

1- red

2- both red and blue

3- green

4-blue

19- When photosynthesis occurs, the oxygen that is released comes from

1- chlorophyll

2- water

3- carbon dioxide

4- a carbohydrate

20- The process by which vesicle contents are released from a cell is:

1- Diffusion

2- exocytosis

3- osmosis

4- Pinocytosis

21- Some parts of a plant are unable to convert solar energy to chemical energy. The part that is missing is probably the

1- Chromoplast.

2- Mitochondria

3- Thylokoid

4- Nucleus

22- Which of the following processes requires oxygen as a reactant (starting material)?

1- photosynthesis

2- cellular respiration

3- lactic acid fermentation

4- alcoholic fermentation

23- I want to have an image from inside the cell which kind of microscope is needed?

1-Light

2- TEM

3-SEM

4- Invert

24- What is the source of image formation in light microscope?

1- Visible Light

2- Objective lens

3- Ocular Lens

4- 1 and 2 and 3

25- What is a Photosystem?

1- A living thing

2- A photosynthetic plant

3- A Group of chlorophyl molecules

4- A source of production protein

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