40 results found

Search Results for: drops

Water in Plants

The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More

Dropper

Dropper 1. One who, or that which, drops. Specif., a fly that drops from the leaden above the bob or end fly. 2. A dropping... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Legals test

Legals test a test for acetone; the urine is rendered alkaline by a few drops of a solution of potassium hydroxide, and to... Read More

Cohesion

Cohesion Definition What is cohesion? Cohesion, in science definition, refers to the state of cohering or sticking together... Read More

Anaerobic bacteria

Bacteria are classified according to the need for oxygen to survive and grow.   For example, aerobic bacteria are bacteria... Read More

Adhesion

Adhesion Definition Adhesion is the binding or attraction between dissimilar molecules, atoms, surfaces, or substances. The... Read More

Plant Water Regulation

A plant requires water as an essential ingredient of photolysis, the photochemical stage of photosynthesis where water is... Read More

Saline solution

Saline Solution Definition Saline solution is one the most medically-used solution, which contains sodium chloride... Read More

Biuret test

In this article we will answer the following three questions: What is a Biuret Test?  What does biuret test for? What is... Read More

Iodine test

Iodine Test Definition The iodine test is a chemical reaction-based identification test for starch. In this test, iodine... Read More

Leaves

Leaves are highly efficient solar energy converters. They capture light energy and through the process of photosynthesis.... Read More

Soils

Where a plant grows and what resources are available to it is of vital importance to the life of a plant. The soil type and... Read More

Seed Plants

There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Abiotic and Biotic Factors

Abiotic factors are essentially non-living components that affect the living organisms of the freshwater community. When... Read More

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Physiological Homeostasis

In animals such as ourselves, the internal environment of our bodies must have certain conditions within tolerable limits to... Read More

Plant Auxins – Phototropism & Geotropism

As with animals, plants also use a variety of hormones to control their growth and development. A family of hormones called... Read More

Pulmonary valve

Definition noun, plural: pulmonary valves (anatomy, cardiology) The semilunar valve that lies between the right ventricle... Read More

Osmotrophy

Definition noun The process of taking in of dissolved organic compounds that are absorbed into the cells via extracellular... Read More

Pollen Grain

What are Pollen Grains? Plants are unique structures and so they carry out mechanisms in special ways. Fertilization in... Read More

Thirst behavior

When the amount of fluid in the blood drops and the level of solutes rises, this response is triggered to seek out... Read More

Serum

Serum Definition In biology, serum generally refers to the clear portion of any bodily fluid of animals and plants.... Read More

Tear

Definition noun, plural: tears (physiology) The watery secretion of the lacrimal glands verb To pull (apart) by force or by... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Vacuole

A vacuole is a single membrane-bound organelle with no definite shape or size found in both prokaryotic and eukaryotic... Read More

Carbon dioxide

Carbon Dioxide Definition noun, car·bon di·ox·ide, /daɪˈɒksaɪd/ (biochemistry) An inorganic compound, with the... Read More

Equilibrium

Equilibrium Definition In Biology Equilibrium refers to the state of balance and stability. In biology, equilibrium is... Read More

Sudorific

Definition noun, plural: sudorifics An agent promoting or causing profuse sweating or sensible perspiration adjective Of or... Read More

Millons reagent

Definition noun A reagent for use in Millon reaction test for detecting the presence of tyrosine and other phenolic... Read More

Hyaline cartilage

Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More

Leech

Leech 1. Physician or surgeon; a professor of the art of healing. alternative forms: leach Leech, heal thyself. (Wyclif... Read More

Diaphoresis

What is Diaphoresis? Diaphoresis is referred to excessive or profuse perspiration or sweating which may be due to... Read More

Bainbridge reflex

Definition A rise in the heart rate due to a rise in blood pressure in the right atrium, which in turn is caused by an... Read More

Threatened species

Definition noun Any of the species vulnerable to becoming endangered within all or much of its range in the near... Read More

Plasmolysis

Plasmolysis is the shrinking of protoplasm away from the cell wall of a plant or bacterium. The protoplasmic shrinking is... Read More

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Cross-linking

Cross-linking Definition Cross-linking, in general, means the forming of cross-links between the joining structures. In... Read More