Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
47 Cards in this Set
- Front
- Back
Describe the Endoplasmic Reticulum |
Flattened sacs and tubes associated with the storage and transport of protein and other cell products |
|
What do animal cells not have? |
cell wall, plastids, large vacuoles
|
|
What are meristems? |
Permanent regions of growth found only in plants Where cells actively divide |
|
Apical meristem |
Found at tips of root and shoots increases length of the plant known as primary growth |
|
Lateral meristem |
Increase girth of roots and stems known as secondary growth |
|
Primary meristems |
Ground meristem protoderm procambium |
|
What do primary meristems produce? |
Primary tissue |
|
Vascular cambiun produces? |
secondary tissues |
|
Role of secondary tissues |
function to support and conduct |
|
What does cork cambium do? |
Produces secondary tissues, just like vascular cambium |
|
Parenchyma |
Most abundant, found in all major parts |
|
Collenchyma |
Beneath the epidermis |
|
Sclerenchyma |
impregnated with lignin function is support |
|
Two types of sclerenchyma |
Sclereids and fibers |
|
Sclereids |
Gritty texture in pears Stone cells |
|
Fibers |
Longer than they are wide lumen in center of cell |
|
Xylem |
Plumbing, storage and conduction for the plant |
|
Phloem |
Conducts dissolved food materials, primarily sugars produced by photosynthesis through the plant. |
|
A group of cells performing a common function is a |
Tissue |
|
Xylem conducts |
Water and minerals |
|
Phloem conducts |
Sugars |
|
What are vessels |
Composed of individual cells |
|
What are the vessel cells called |
vessel elements |
|
Pollen tube enters ovule at |
Micropyle |
|
The location where the seed attaches to parent plant is called |
hilum |
|
How many sperm produced per pollen grain |
2 |
|
Calyx and Corolla together are called |
Perianth |
|
how many nuclei make up the embryo sac |
8 |
|
seed takes up water in a process called |
imbibition |
|
Difference between epidermis and periderm? |
Epidermis is outmost protective coating. Periderm replaces epidermis during secondary growth. Periderm is multilayered |
|
Monocot flower parts |
3 |
|
Dicot flower parts |
4 or 5 |
|
Aperature definition |
a hole or gap |
|
Stems of monocots are primarily |
unbranched and fleshy |
|
Stems of dicots are usually |
tough and wider |
|
Monocot leaves |
Long and narrow, veins parallel |
|
Dicot leaves |
Distinct network of veins |
|
Monocots have how many seed leafs |
1 |
|
Dicots have how many seed leafs |
2 |
|
Parts of a seed |
Endosperm, Coyledon, Embryo |
|
Seed definition |
A flowering plants method of reproduction, develops into another plant |
|
seedpod of monocots |
usually 3 parts, often large and fleshy |
|
Number of cotyledons in monocot |
1 |
|
Number of cotyledons in dicot |
2 |
|
What is a cotyledon? |
One of the first of the leaves to spawn from a germinating seed |
|
What is germination? |
The process in which a plant grows from a seed |
|
How do spores work? |
When sporangia breaks open spores are released and dispersed by wind, growing into a tiny plant called a gametophyte |