Siestas by: Leopoldo Serrano

Roie Cel G. Mediavillo II – Selenium

Biological Questions

From the diagram below answer the following questions:

1. Which structure is responsible for regulating the rate of the transcription of opening and closing the stomata?

a). stoma c). Veins

b). guard cells d). Palisade mesophyll

2).What functions do "veins" perform which relate to photosynthesis?

a). bringing water

b). protects the internal tissues from injury.

c). prevents water loss

d). allows for gaseous exchange for photosynthesis and respiration.

3). In the diagram above, which structure is responsible for the interchange of gases for respiration and photosynthesis?

a). xylem c). Spongy mesophyll

b). stoma d). Epidermis

4). If lipids is missing in the plasma membrane, which function cannot be performed?

a). Structuring cell membranes

b). Energy storage

c).Transmission of information in cells

d). all of the above

5). All the statements below are the functions of cholesterol in plasma membrane EXCEPT one which of the following is not the function of it?

a). Maintains the Integrity of the Cell Membrane. b). Maintain the Fluidity of Cell Membranes c). It separates the cell's contents of from the environment. d). Helps Secure Important Proteins in the Membrane

6). A netlike membranous complex of superposed flat saccules with vesicles detaching from the extremities seen in electronic microscopy. What is the observed structure?

a). Golgi complex b). SER c). RER d). cell wall

7). Why animals do not build up turgor pressure?

a). Because they do not have a cell wall and if the pressure is too high inside then they burst. b). Because they have a cell wall that cause them to burst.

c). Because of the air that traps inside the cell wall that cause them to burst. d). Because they have cell...