MN551 Quiz 1
Control center of the cell - Answer-Nucleus
What part of the cell contains DNA - Answer-Nucleus
Where does work occur in the cell - Answer-Cytoplasm
Colloidal solution that contains water, electrolytes, proteins, fats, and glycogen molecules - Answer-
Cytoplasm
What part of the cell consists of lipids, carbs, and proteins - Answer-Cell membrane
What is the cell membrane made up of - Answer-Lipid bilayer
True or False:
The cell membrane is made up only of lipids and cholesterol molecules - Answer-False
It is made of lipids, proteins, and carbs
What is food gives us cellular energy - Answer-CHO, proteins, fats, vitamins, and minerals
What is the purpose of food - Answer-Nourishment of bodies-organs-tissues- cells-molecules
Where do we get vitamins and minerals from - Answer-Food sources
,What are the water soluble vitamins - Answer-Thiamine, riboflavin, niacin, pyroxidine, folic acid
Purpose of thiamine - Answer-Converts pyruvic acid to acetyl-coA
Purpose of riboflavin - Answer-Needed for the production of coenzymes NAD and FAD
Purpose of niacin - Answer-Needed for the production of coenzymes NAD and FAD
Purpose of pyroxidine - Answer-Cofactor for the enzymes involved in amino acid metabolism
Purpose of folic acid - Answer-Essential for DNA synthesis
Fat soluble vitamins - Answer-A, D, E, K
What can vitamin E do to free radicals - Answer-Inactivate them
Purpose of vitamin A - Answer-Used in the photo pigment of the retina
Effects of vitamin A deficiency on embryonic development - Answer-Interferes with embryonic
development
What organ produces vitamin D - Answer-Skin
What has to occur for the skin to produce vitamin D - Answer-UV light
,Which vitamin is required for the production of prothrombin and for clotting factors 9 and 10 - Answer-
Vitamin K
What is the first pathway of cellular respiration - Answer-Glycolysis
Is glycolysis aerobic or anerobic - Answer-Anerobic
Where does glycolysis occur - Answer-Cytosol
What is the purpose of glycolysis - Answer-Converts one molecule of glucose into two molecules of
pyruvate
What does it mean to be anaerobic - Answer-Can occur with or without oxygen
Net yield of glycolysis - Answer-2 ATP, 2 NADH, 2 pyruvate
Purpose of the Krebs cycle - Answer-Converts pyruvate into metabolites and generates ATP by pyruvate
oxidation and electrons are produced
As electrons flow down the electron transport chain what is produced - Answer-Water and energy
What is the outer membrane of the mitochondria composed of - Answer-Lipid layer that is permeable to
small molecules because of proteins
Why is the outer membrane of the mitochondria permeable - Answer-Proteins
True or false
, The inner membrane of the mitochondria is permeable - Answer-False
The inner membrane is not permeable to small molecules (H+ ions)
Apoptosis - Answer-Controlled cell death
Signals of disruption in homeostasis - Answer-DNA damage
Viruses
Environmental stress (oxygen and other nutrient deprivation)
Reactive oxygen species (oxygen with an unstable electron)
True or false
Cells adapt to changes in the internal environment - Answer-True
How do cells adapt to increased work demands - Answer-Change in size, number, and form
How do cells change in size - Answer-Atrophy or hypertrophy
How to cells change in number - Answer-Hyperplasia
How do cells change in form - Answer-Metaplasia
Atrophy - Answer-Decrease in cell size
Control center of the cell - Answer-Nucleus
What part of the cell contains DNA - Answer-Nucleus
Where does work occur in the cell - Answer-Cytoplasm
Colloidal solution that contains water, electrolytes, proteins, fats, and glycogen molecules - Answer-
Cytoplasm
What part of the cell consists of lipids, carbs, and proteins - Answer-Cell membrane
What is the cell membrane made up of - Answer-Lipid bilayer
True or False:
The cell membrane is made up only of lipids and cholesterol molecules - Answer-False
It is made of lipids, proteins, and carbs
What is food gives us cellular energy - Answer-CHO, proteins, fats, vitamins, and minerals
What is the purpose of food - Answer-Nourishment of bodies-organs-tissues- cells-molecules
Where do we get vitamins and minerals from - Answer-Food sources
,What are the water soluble vitamins - Answer-Thiamine, riboflavin, niacin, pyroxidine, folic acid
Purpose of thiamine - Answer-Converts pyruvic acid to acetyl-coA
Purpose of riboflavin - Answer-Needed for the production of coenzymes NAD and FAD
Purpose of niacin - Answer-Needed for the production of coenzymes NAD and FAD
Purpose of pyroxidine - Answer-Cofactor for the enzymes involved in amino acid metabolism
Purpose of folic acid - Answer-Essential for DNA synthesis
Fat soluble vitamins - Answer-A, D, E, K
What can vitamin E do to free radicals - Answer-Inactivate them
Purpose of vitamin A - Answer-Used in the photo pigment of the retina
Effects of vitamin A deficiency on embryonic development - Answer-Interferes with embryonic
development
What organ produces vitamin D - Answer-Skin
What has to occur for the skin to produce vitamin D - Answer-UV light
,Which vitamin is required for the production of prothrombin and for clotting factors 9 and 10 - Answer-
Vitamin K
What is the first pathway of cellular respiration - Answer-Glycolysis
Is glycolysis aerobic or anerobic - Answer-Anerobic
Where does glycolysis occur - Answer-Cytosol
What is the purpose of glycolysis - Answer-Converts one molecule of glucose into two molecules of
pyruvate
What does it mean to be anaerobic - Answer-Can occur with or without oxygen
Net yield of glycolysis - Answer-2 ATP, 2 NADH, 2 pyruvate
Purpose of the Krebs cycle - Answer-Converts pyruvate into metabolites and generates ATP by pyruvate
oxidation and electrons are produced
As electrons flow down the electron transport chain what is produced - Answer-Water and energy
What is the outer membrane of the mitochondria composed of - Answer-Lipid layer that is permeable to
small molecules because of proteins
Why is the outer membrane of the mitochondria permeable - Answer-Proteins
True or false
, The inner membrane of the mitochondria is permeable - Answer-False
The inner membrane is not permeable to small molecules (H+ ions)
Apoptosis - Answer-Controlled cell death
Signals of disruption in homeostasis - Answer-DNA damage
Viruses
Environmental stress (oxygen and other nutrient deprivation)
Reactive oxygen species (oxygen with an unstable electron)
True or false
Cells adapt to changes in the internal environment - Answer-True
How do cells adapt to increased work demands - Answer-Change in size, number, and form
How do cells change in size - Answer-Atrophy or hypertrophy
How to cells change in number - Answer-Hyperplasia
How do cells change in form - Answer-Metaplasia
Atrophy - Answer-Decrease in cell size
