Exam 1
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What is a zygote?
The start of cell life
When and who invented the Microscope?
1560 Zacharias Jansun
Identify the important parts of the cell
• Chloroplast • Nucleus • Mitochondria • Vacuole • Cell Wall • Plasma Membrane
What is the function of the cell wall?
They are there to protect the other cell organelles.
What does a plasma membrane do?
Dictates what comes in and out of the cell.
Do other things have vacuoles?
Only plants have vacuoles; they are the biggest organelle in a cell.
What is turgor pressure?
It holds the plant up; without it, wilting can occur.
How is the nucleus important?
It controls everything that happens within the cell.
What are the living and nonliving elements of a cell?
• Nonliving: Cell wall, chloroplast, vacuoles • Living: Nucleus, plasma membrane
What do plant cells have that animal cells don’t?
Plants have chloroplasts, which animals don’t.
What is mitosis?
The process of cell division.
How do plants grow?
By cell division that occurs in the meristem.
Where does cell division occur in plants?
In the meristem.
What are the important parts of a Meristem?
• Apical • Lateral • Intercalary
What are the phases of mitosis?
IPMAT: Interphase, Prophase, Metaphase, Anaphase, Telophase.
Can plants get cancer?
Yes, but not in a human way; they can turn into hybrids by rapid cell mutation.
What are simple tissues compared to complex tissues?
• Simple tissues: 1 cell • Complex tissues: 2+ cells
What are the functions of roots?
• Conduct • Absorb • Reproduction • Hormone Synthesis • Anchorage • Support
Why are root hairs important?
They are crucial for absorption.
What is the stele?
The core of the root.
What is the difference between monocot and dicot roots?
Dicots have an ‘x’ shape; monocots do not.
What are the different types of roots?
• Rhizomes • Stolon • Bulbs • Tubers • Corms
What are the uses for roots?
• Food • Dyes • Medicine
What is root morphology?
What roots look like on the outside.