The sliding filament theory explains how these cross-bridges are formed and the subsequent contraction of muscle. The Sliding Filament Theory For a contraction to occur there must first be a stimulation of the muscle in the form of an impulse (action potential) from a motor neuron (nerve that connects to muscle).
A plant scientist is a biologist who focuses on various types of plants, usually those grown as crops for food, fiber, and other purposes. This work can involve field and lab work on a variety of topics, from improving yields to developing more nutritious food plants for the purpose of fighting hunger in underdeveloped nations.
What is Botany-Definition. Botany is the study of plants. In botany scientists find answers to questions about plants and what they can be used for. A plant is something that is alive and grows by using something called photosynthesis.Plants usually need water and sunlight to live and grow.otany is kind of like zoology, but for plants! Zoology is the study of animals. The genetics of plants, the way they breed and grow, and the way humans impact plants are all studied in botany. Flowers, leaves, stems, tree trunks, and a lot more are also studied.