Which of the the following structures directly endomembrane system mes or activi

Question

Which of the the following structures directly endomembrane system mes or activities is NOT part of the b. Golgi complex c. ribosomes (d. budding e lysosomes Which of the following is stored in released during an allergic reaction? a. nitric cells of the immune system and e a neurotransmitter oxide b a growth factor d. a prostaglandin ine a. It transports owing statements about the sodium-potassium pump is true? for 3 potassium hydrogen ions out of the cell. b. transports 2 out of the cell in exchange ons. c. It transports sodium ions out of the cell in exchange for 2 potassium ions. d transports 2 sodium ions out of the cell in exchange for 2 potassium ions. e. It transports water am of the cel 4. Differential centrifugation is a process that a. analyzes the chemical components of the cet. b. separates components of the cell that have a different chemical makeup c. separates components of the cell that function differently. d. allows researchers to view the contents of the cells. e. separates components of the cell that have different densities Figure 5-1 Use the figure to answer the corresponding question(s). 10 um 5. Refer to Figure 5-1. Which of the following statements about the red blood cells in Figure B is true? blood a. These red blood cells have in response to a hypotonic exctemal solution. b. These red cells have shrunken in response to a bypertonic external solution. c. These red blood cells have been placed in an tonic solution. d. These red blood cells have swollen in response to a hypertonic external solution. e. These red blood cells have swollen in response to a hypotonic external solution 6. Refer to Figure 5-1. which of the statements red blood cells in Figure true? a. There has been no net water movement. b. There has been a net flow of water out of the cell. into the d. Plasmolysis has occurred. e. There has been a net flow of water a. has occurred cell.

Explanation / Answer

Please find the answers below and reasons in parentheses:

Part 1: Choice d (Budding is a mode of asexual reproduction in lower organisms and not a part of endomembrane system)

Part 2: Choice c (Histamine is an anti-inflammatory molecule of immune response and is released as a local immune response when a stress/stimulus is applied such as any pathogen in the body etc.)

Part 3: Choice c (the sodium-potassium pump is one of the most abundant and important membrane bound ionic channel in the cells which regulate movement of ions across the membrane. Three sodium ions move out with simultaneous inward movement of 2 potassium ions as an ionic balance)

Part 4: Choice e (differential centrifugation is used to separate liquids or components in a mixture based upon their densities. This is why this procedure is also known as density gradient centrifugation)

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