Table of Contents
What is the function of the stalk?
The ribosomal stalk is involved directly in the interaction of the elongation factors with the ribosome during protein synthesis. The stalk is formed by a complex of five proteins, four small acidic polypeptides and a larger protein which directly interacts with the rRNA at the GTPase center.
Is a stem the same as a stalk?
Botanists and arborists will usually use stem to refer to a slender portion of the plant, while stalk refers to something more substantial, often the main upright “load-bearing” portion of a plant’s body.
What is the function of steam in plant?
The stem’s main role is to hold onto the plant buds, flowers, leaves, and fruits. A stem helps the plants together with the roots, helping them stand up straight and perpendicular to the ground.
What is a stalk in a plant?
1 : a slender upright object or supporting or connecting part especially : peduncle. 2a : the main stem of an herbaceous plant often with its dependent parts. b : a part of a plant (such as a petiole or stipe) that supports another. stalk. verb.
Which is not the function of a stem?
Photosynthesis is not the primary function of stem. Whereas, conduction of water and minerals from roots to other parts, formation of branches, bearing flowers and fruits and holding the plant upright are main functions of a stem.
What is the function of the stem of a plant?
The stem is the stalk or trunk of a plant. Like the roots, stems also help the plant survive. The stem acts as a passageway for the movement of substances throughout the plant and acts as a support for the leaves, flowers and fruits of a plant.
What does the stem of a plant look like?
In most plants the stem is the major vertical shoot, in some it is inconspicuous, and in others it is modified and resembles other plant parts (e.g., underground stems may look like roots).
What kind of stem does a climbing plant have?
In other cases, climbing plants are supported by tendrils that may be specialized stems, as in the grape and passion-flower. In tropical climates twining plants often form thick woody stems and are called lianas, while in temperate regions they are generally herbaceous vines.
What kind of stems store food and water?
Food and water are also frequently stored in the stem. Examples of food-storing stems include such specialized forms as tubers, rhizomes, and cormsand the woody stems of treesand shrubs. Water storage is developed to a high degree in the stems of cacti, and all green stems are capable of photosynthesis.