Duplicate of Biology Keystone Review

organelle responsible for processing proteins for release from the cell

process in which an mRNA strand is made from a DNA strand

nuclear division resulting in two genetically identical, somatic cells

organelle responsible for production, processing, &transportation of molecules in & out of cell

area that provides an organism with its basic needs for survival

molecule that provides energy for cellular reactions and processes

a gene associated with a trait that is carried by either male or female parent

substance that increases the rate of a reaction (faster) without being used up

two phase nuclear division resulting in production of gametes 

specialized cell used in sexual reproduction with half the number of chromosomes

regulatory process in which an organism regulates its internal environment

system composed of organisms and non living parts of an environment

position of an organism in relation to the flow of energy through an ecosystem

when the phenotype of one allele is expressed in a homozygous and heterozygous genotype

anatomical unit composed of tissues serving a common function

Which does not describe the nucleus of a cell? 

the measure of acidity or alkalinity of a solution

organic compound that is insoluble in water, a source of stored energy, & part of cell membrane

polymer with a high molecular mass; carbohydrates, proteins, nucleic acids, and lipids

Which term describes something outside of the cell? 

Organism associated with a land environment

What term refers to the site of protein synthesis? 

smallest unit of an element that retains the chemical and physical properties of the element

Movement of substances from low to high concentrations, using energy

proteins embedded in plasma membrane involved in movement of substances in and out of cells

exchange of genetic material between homologous chromosomes creating genetic diversity

What term describes a close relationship between organisms? 

trait in which phenotype is controlled by 2 or more genes

subunit within a cell with a specialized function

when genetic material is passed from parents to offspring

macromolecule containing C, H, O, and N; performs structural and regulatory functions in cells

site of cellular respiration; makes ATP

What is the term that describes a nonliving factor in an ecosystem? 

Segment of DNA that provides a blueprint for a specific inherited trait

large area or region with distinct plant and animal groups adapted to that environment

What is an alternative form of a gene? 

series of events in a cell leading to its division and duplication

different populations of organisms interacting in a shared environment

organism using a primary energy source to conduct photosynthesis or chemosynthesis

scientific study of inheritance

basic unit of structure and function for all living organisms 

single celled organism lacking specialized organelles and membrane bound nucleus

Observable expression of a genotype

What term describes an organism associated with a water environment? 

process in which the mRNA molecule is decoded to produce a sequence of amino acids for proteins

macromolecule containing carbon, hydrogen, and oxygen in a 1:2:1 ratio, major source of energy

scientific study of life

biological macromolecule composed of C,H, N, O, AND P that carries genetic information