Pigments are polymers of these.
What are amino acids?
These molecules are important components of perfumes and made up of isoprene subunits.
What are terpenes?
What are terpenoids?
The vascular cambium sits between these.
What are the xylem and phloem?
This is left behind on the stem after a leaf falls off.
What is a leaf scar?
This describes a portion of a plant stem.
What is an internode?
What is a node?
Plant pigments absorb this type of light.
What is visible light?
What is light between 300-800 nm wavelength?
Phenol molecules typically include one or more of these in their molecular structures.
What are 6-carbon rings?
What are vessel elements in the xylem?
These leaves have undivided blades.
What are simple leaves?
Non-leaf structures that exchange gases.
What are lenticels?
What are chromoplasts?
What are chloroplasts?
These polyphenolic compounds are often consumed by humans in foods as well as supplements and medicines.
What are flavonoids?
The phloem contains these two types of cells.
What are the sieve tube elements, companion cells, and/or fibers?
These leaves have leaflets that connect to a central point.
What are palmately compound leaves?
This modified stem is parallel to the ground and above it.
What is a stolon or runner?
A pigment that absorbs blue lights best includes this.
What is chlorophyll b or carotenoids?
These molecules are typically defensive compounds in plants which humans have used for a variety of purposes to influence the central nervous system.
What are alkaloids?
Functional xylem.
What is sapwood?
Leaves with one primary vein and net venation are typically refereed to as these.
What are leaves with pinnate venation?
What are pinnate leaves?
This modified stem is parallel to the ground and under it.
What is a rhizome?
These pigments are known to absorb red and far-red light.
What are phytochromes?
Many pigments are embedded in this.
What is a plasma membrane?
Outer bark can develop many layers of this.
What is periderm?
Airspaces are characteristic of this leaf tissue.
What is spongy mesophyll?
What is aerenchyma? would also be ok.
This is a root that comes from a non-root structure.
What is an adventitious root?