Chapter 2 Flashcards
What structure helps transport fluids and acts like a handle to hold a leaf to a branch?
Petiole
What chemical compound found in nearly all leaves plays a major role in photosynthesis?
Chlorophyll
What are the three major and distinct kinds of tissue in a typical plant?
Structural, vascular, meristematic
What is the function of vascular cambium found in tree trunks?
To create new xylem and phloem
What is the main function of parenchyma tissue?
To produce and store food
What type of tissue transports sap downward?
Phloem
What is the definition of transpiration?
Water leaving through the leaves
Guard cells expand and contract in order to open ans close…. ______.
Stoma
What is turgor pressure?
When the plant has the right amout of water that all cells are filled at right amounts.
Describe Palmate Venation.
Palmate Venation has main veins like fingers that go out along the leaf. Out of all these veins are 2 or 3 veins that branch off Lobed leaves have this type of Venation.
In cells… The ATP to ADP conversion accomplishes what function?
Energy
Water, Carbon Dioxide, Heat and Sunlight all affect the rate of photosynthesis. Which is the most critical?
Sunlight
Name the three common types of leaf pigments beside chlorophyll? Also state their colors.
Xanthophyll :yellowish
Carotene :yellowish-orange
Anthocyanin: red blue, purple
Name and describe one type of “special leaf”.
Tendril: it’s thygmotropic. When it’s brown it means that the plant is ready to be picked
How many stoma does an Oak leaf have per square inch?
100,000
