Exam 1 Comprehensive Questions
(Frequently Tested) and Complete
Solutions Graded A+
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Two systems of plant organs - Answer: Shoot system and Root
system
,What does the shoot system consist of? - Answer: vegetative
organs like stems and leaves/ reproductive organs like flowers and
fruits
What does the root system consist of? - Answer: Only roots
What are the characteristics of determinate growth? - Answer: -
Growth is genetically determined
-Usually cannot regrow or heal
-Maximum size is rarely reached in the wild
-Flowers, fruits, and leaves
What are the characteristics of indeterminate growth? - Answer:
-Growth only limited by environmental factors
-Usually can regrow and heal
-Can grow all throughout life
-Stems and roots
The cell theory states that - Answer: 1. All plants and animals are
made of cells
2. Cells are the basic unit of life
, 3. All cells come from previous cells by reproduction
What are the four components shared by all cells? - Answer: -
DNA
- Plasma Membrane
- Cytoplasm
- Ribosomes
What is the plasma membrane? - Answer: a phospholipid bilayer
with embedded proteins
What is the function of the plasma membrane? - Answer: Serves
as a barrier between the cell and its environment. It also conducts
the passage of organic molecules, water, oxygen, ions, and waste
(CO2 and ammonia)
What is the cytoplasm? - Answer: The region between the plasma
membrane and the nuclear envelope. It consists of organelles
suspended in cytosol and the cytoskeleton
What is the function of the cytoplasm? - Answer: Provides
structure to the cell