Terms Flashcards

1
Q

Bio-

A

Life, or living

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2
Q

Ecosystem

A

Community of living organisms

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3
Q

Biotic

A

Living organism

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4
Q

Abiotic

A

Non living organism

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5
Q

Homeostasis

A

The process of keeping an organism stable

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6
Q

Homeostasis

A

The process of keeping an organism stable

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7
Q

Organ system

A

Group of organs that work together to perform a specific w

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8
Q

Cell

A

Basic building block of life

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9
Q

Nucleus

A

In eukaryotic, contains genetic material

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10
Q

Mitochondria

A

Provides energy for the cell “powerhouse”

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11
Q

Chloroplast

A

Plastid that conducts photosynthesis

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12
Q

Biotechnology

A

Biology implemented in human health, animal health, agriculture, etc.

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13
Q

Atom

A

Smallest unit of matter

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14
Q

Element

A

Pure substance that cannot be broken down

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15
Q

Compound

A

Substance when two or more elements combine

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16
Q

Enzyme

A

A catalyst to a organism, causing a biochemical reaction

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17
Q

ATP

A

a molecule considered the primary energy currency of a cell (3phosphates, 1 sugar, 1 adenosine)

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18
Q

Cell membrane

A

Provides protection and controls nutrients going in, and waste out

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19
Q

Photosynthesis

A

Process of plants turning sunlight into food, via chloroplast

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20
Q

Food Chain

A

Linear representation of how nutrients travels

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21
Q

Cell cycle

A

Series of events that takes place in a cell as it grows and divides

22
Q

DNA

A

Main carrier of genetic information

23
Q

Chromosome

A

Thread-like structures in the nucleus of a cell that contain DNA and proteins, and carry genetic information from cell to cell

24
Q

Protein Synthesis

A

Process by which cells create proteins, which are made of amino acids

25
Transcription
Process of copying a segment of DNA into RNA
26
Translation
Process in living cells in which proteins are produced using RNA molecules as templates, sequence of amino acids
27
Mutation
Change in an organism's DNA sequence
28
Homologous Chromosomes
Pairs of chromosomes that are inherited from each parent and contain the same genes in the same order, but with slight variations
29
Autosome
Any chromosome that is not a sex chromosome
30
Mitosis
Process of cell duplication
31
Meiosis
Type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell
32
Genetic variation
Difference of DNA sequences between individuals
33
Heterozygous
Having two different alleles of a particular gene or genes, two different versions of the same gene
34
Gene
Basic unit of heredity
35
Gene
Basic unit of heredity
36
Genotype
Genetic makeup of an organism, or the unique sequence of DNA that an individual inherits from their parents
37
Phenotype
term in genetics that refers to the observable characteristics of an organism
38
Dominant gene
Variant of a gene that expresses itself more prominently
39
Recessive
Gene that is unlikely to be expressed
40
Incomplete dominance
Rare occupancy where both alleles express themselves
41
Punnet square
a diagram that predicts the possible genotypes and phenotypes of offspring
42
Mendel
Father of genetics
43
Hybrid cross
mating experiment that combines the genetic material of two organisms that differ in two or more traits
44
Sex-linked chromosomes
genes that are located on the sex chromosomes
45
Nucleotide
organic molecule that serves as a building block for DNA and RNA
46
Mutagen
physical or chemical agent that causes mutations in an organism's DNA
47
Allele
one of two or more alternative forms of a gene that arise by mutation
48
Independent assortment
describes how genes separate independently during the development of reproductive cells
49
Fertilization
When a sperm cell enters an egg cell
50
Trait
Specific characteristic of an individual