BOT3303 Botany Flashcards

Practice flashcards for BOT3303 covering introduction to botany, plant cell cycles, tissues, and root development.

What is botany?

The scientific study of plants.

What does the word 'botany' mean in Greek?

Feed.

What do proteinoid microspheres suggest?

Organic molecules can grow and form new microspheres.

What is phototropism?

Growth toward light.

What are the two major vascular tissues?

Xylem and phloem.

What are the principal photosynthetic organs?

Leaves.

What is the cuticle?

A waxy layer that reduces water loss.

What happens in Anaphase of mitosis and Anaphase II of meiosis?

Sister chromatids separate.

What type of chromosome do prokaryotes have?

A single circular chromosome.

What is cytosol?

Material where organelles and ribosomes are suspended.

What forms microfibrils in cell walls?

Cellulose.

What is the correct mitosis order?

Prophase → Metaphase → Anaphase → Telophase.

What is located at each spindle pole?

Centrosome.

What do meristematic cells do?

Continuously divide and grow.

What tissue makes up the pith and cortex?

Parenchyma.

Which ground tissue has thick lignified walls?

Sclerenchyma.

What are trichomes?

Appendages of epidermal cells.

What does SAM stand for?

Shoot Apical Meristem.

What does RAM stand for?

Root Apical Meristem.

Which is NOT a root function?

Photosynthesis.

What is the columella?

Central column of cells in the root cap.

Root hairs arise from what tissue?

Epidermis.

Lateral roots arise from what tissue?

Pericycle.

What are lenticels?

Spongy areas allowing gas exchange.

What substance does the root cap produce?

Mucilage.