21 results found

Search Results for: sample size

Sample size

sample size The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied.... Read More

Null hypothesis

Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More

Population

Living organisms typically prefer to live, grow, and survive in groups. Except for some species that prefer solitude - both... Read More

Colony-forming unit

Colony Forming Unit Definition A Colony Forming Unit (CFU) in microbiology and cellular biology refers to a measure of... Read More

Hemolysis

The breakdown or catabolism of red blood cells or erythrocytes that result in the expulsion of hemoglobin and other... Read More

Carrying capacity

Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More

Absorption

Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues... Read More

Inoculum

Inoculum Definition Inoculation is a term often heard in microbiology, one of the branches of biology that deals with the... Read More

Chromosome

Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More

Ecosystem diversity

Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... Read More

Darwinian fitness

Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More

Electrophoresis

Electrophoresis (Science: technique) separation of ionic molecules, (principally proteins) by the differential migration... 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

Agar

What Is Agar? Agar, also called agar agar, is a natural gelling agent derived from seaweed (specifically algae belonging to... Read More

Pinocytosis

Pinocytosis Definition What is pinocytosis?  Pinocytosis is the ingestion of extracellular fluids, i.e. the fluid... Read More

Apocrine gland

The human body is a complex assemblage of many different organs, systems, glands, bones, and tissues. Weighing any one over... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Monocyte

Monocytes Definition Monocytes are a subset of white blood cells (WBCs) or leukocytes that originate in the bone marrow.... Read More

Replica plating

replica plating (Science: technique) technique for testing the genetic characteristics of bacterial colonies. A dilute... Read More

Omnivore

Organisms need to eat food in order to gain energy and survive in the ecosystem. Often, living things are categorized by how... Read More

S1 nuclease mapping

Definition noun A laboratory method used to locate the 5'end of a transcript in a mixture of RNA using nuclease... Read More