Term
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Definition
any of several forms of a gene that are
responsible for hereditary variation. |
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Definition
| situated before or at the front of |
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Definition
| A class of arthropods that includes spiders, scorpions, mites, and ticks. |
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Definition
the phylum comprising the arthropods. |
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Term
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Definition
a joint in which the rounded end of one
bone fits into acuplike end of the other
bone, allowing for relatively free rotary
motion, as at the hip or shoulder. |
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Definition
| a system of nomenclature in which each species is given a unique name that consists of a generic and aspecific term. |
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Term
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Definition
a specialized form of striated muscle
occurring in the hearts of vertebrates. |
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Definition
| Swedish botanist and founder of the modern binomial classification system for plants and animals. |
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Term
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Definition
A strong, flexible connective tissue that is found in various parts of the body,
including the joints, theouter ear, and
the larynx. |
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Definition
| The basic unit of living matter in all organisms, consisting of protoplasm enclosed within a cellmembrane. |
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Definition
| The process by which a cell divides to form two daughter cells, each of which contains the same geneticmaterial as the original cell and roughly half of its cytoplasm. |
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Term
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Definition
The semipermeable membrane that
encloses the cytoplasm of a cell. |
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Term
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Definition
| When human cells are reproduced and replaced . The process varies with the kind of cell. Body cells, such as those that make up skin, hair, and muscle, are duplicated by Mitosis . Sex cells are duplicated by Meiosis. |
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Term
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Definition
The outermost cell layer found in plants
but characteristically absent from animal
cells. |
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Term
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Definition
The region of the chromosome to which
the spindle fiber is attached during cell
division (both mitosis and meiosis). |
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Term
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Definition
Green pigment found in photosynthetic
cells that converts light energy into ATP
to make photosynthesis. |
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Term
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Definition
a plastid containing chlorophyll and other pigments, occurring in plants that carry
out photosynthesis |
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Term
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Definition
The substance distributed in the nucleus of a cell that condenses to form
chromosomes during celldivision. |
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Term
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Definition
A threadlike linear strand of DNA in the
nucleus of animal and plant cells that
carries the genes and functions in the
transmission of hereditary information.
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Term
| compound light microscope |
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Definition
| A microscope that uses a combination of lenses and light to magnify a small object held on a slide. |
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Term
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Definition
Tissue that connects, supports, binds, or
encloses the structures of the body. |
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Term
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Definition
| A stage of mitosis where the cell splits and cell cleavage is visible. |
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Term
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Definition
The jellylike material inside the cell
membrane, and, in eukaryotic cells,
surrounds the nucleus. The organelles of
eukaryotic cells, such as mitochondria, the endoplasmicreticulum, and chloroplasts,
are contained in the cytoplasm. |
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Term
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Definition
| The large muscle that separates the chest cavity from the abdominal cavity and is the principal muscle of respiration. |
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Definition
| A process in which the body breaks down food and absorbs nutrients needed for survival. |
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Definition
| A cell that has duplicated chromosomes, making it double the usual amount. |
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Term
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Definition
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Term
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Definition
Deoxyribonucleic acid; an acid that
consists of two long chains of nucleotide
twisted together into a double helix and
joined by hydrogen bonds; it carries the
cell's genetic information and hereditary
characteristics |
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Term
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Definition
| the one of a pair of alternative alleles that masks the effect of the other when both are present in the same cell or organism. |
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Term
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Definition
Of, toward, on, in, or near the back or
upper surface of an organ, a part, or an
organism. |
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Term
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Definition
The coiled structure of a double-stranded DNA molecule in which strands
linked by hydrogen bonds form a spiral
configuration
[image] |
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Term
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Definition
| the roundish reproductive cell produced by the female |
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Term
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Definition
a network of tubular membranes within the cytoplasm of the cell, occurring either
with a smooth surface(smooth endoplasmic reticulum) or studded with ribosomes
(rough endoplasmic reticulum) involved in
the transport of materials. |
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Term
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Definition
A single
celled or multicellular organism whose
cells contain a distinct membrane-bound nucleus.
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Term
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Definition
to discharge waste matter from the body
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