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63 Cards in this Set

  • Front
  • Back

Bioethanol

Type of alcohol produced by the fermentation of glucose

Cellulosic Ethanol

Type of bioethanol made from cellulose in nonedible plant material such as wood or grass.

Biodiesel

Made from plant oils or recycled frying oil.

Stomata

(Mouth) Underneath side of the leaf, tiny pores in the leaves. They take in carbon dioxide and oxygen exits.

Thylakoids

Inside chloroplasts are interconnected, membranous sacs.

Grana

Thylakoids are concentrated in stacks.

Chlorophyll a

Absorbs mainly blue-violet and red light. Participates directly in light reactions.

Chlorophyll b

Absorbs mainly blue and orange light. Participates directly in the light reactions.

Cartenoids

Absorbs blue-green light. Participates INDIRECTLY in the light reactions. Passes energy to chlorophyll a.

Wavelength

The distance between the crests of two adjacent waves.

Electromagnetic Spectrum

Full range of radiation.

C3 plants

Use Carbon Dioxide directly from the air. Are very common and widely distributed.

C4 plants

Close their stomata to save water during hot and dry weather. Can still carry out photosynthesis by storing and transferring Carbon Dioxide to adjacent cells.

CAM plants

Are adapted to very dry climates. Open their stomata only at night to conserve water.

Parthenogensis

Eggs develop without fertilization, "virgin creation". Reproduction without sex.

Asexual Reproduction

Single-celled organisms reproduce by simple cell division. No fertilization of an egg by a sperm.

Sexual Reproduction

Fertilization of an egg by a sperm.

Chromatin

Unwound DNA.

Histones

Are proteins used to package DNA in eukaryotes.

Cell cycle

The ordered sequence of events that extent from the time a cell is first formed from a dividing plant cell to its own division of cells. Two distinct phases.

Mitosis

Nucleus and its contents divide evenly into two daughter nuclei.

Cytokinesis

Cytoplasm is divided in two.

Tumor

Abnormally growing masses of body cells.

Metastasis

The spread of cancer cells beyond their original site.

Diploid

Organisms with body cells containing two sets of chromosomes.

Haploid

Gametes that have only one member of each homologous pair of chromosomes.

Sex Chromosomes

Male=XY ; Female=X

Autosomes

22 pairs of matching chromosomes.

Karyotype

Image that reveals an orderly arrangement of chromosomes. Homologous chromosomes - matching pairs of chromosomes that can possess different versions of the same genes.

Law of Independent Assortment of Chromosomes

Chromosomes align independently of each other.

Nondisjunction

Members of chromosomes don't separate. Happens in Meiosis 1 and 2.

Trisomy 21(Down's Syndrome)

Individual has an extra chromosome 21.

RuNP

5 carbon in the Calvin cycle, taking place during photosynthesis. Gets turned into G3P.

G3P

Unstable molecule created by RuBP

Heredity

Transmission of traits from one generation to the next.

Genetics

The scientific study of heredity.

Gregor Mendel

Father of modern genetics. First person to analyze patterns of inheritance, and deduced the fundamental principles of genetics in the 1860s.

Character

Heritable feature that varies among individuals.

Trait

Variant of a character(blue, green, brown, hazel)

Allele

Trait, refers to the generic version. Alternate versions of a gene, one from each parent.

Homozygous

Both alleles are identical. Homozygous dominant(BB)

Dominant

BB

Recessive

Bb

Heterozygous

Alleles are different(Bb).

Law of segregation

Anaphase in meiosis. Alleles separate from each other during the production of gametes.

Phenotype

Physical appearance

Genotype

Genetic makeup

Punnett Square

Diagram that shows the results of a genetic cross.

Monohybrid Cross

The mating of two parental varieties with one heritable character.

Dihybrid Cross

Mating of two parental varieties differing in two characters.

Law of independent assortment of alleles

Alleles separate independently. The inheritance of one character has no effect on the inheritance of another.

Gene Locus

Specific location of a gene along a chromosome.

Test Cross

Mating with a homozygous individual.

Wild type traits

Seen most often in nature.

Pedigree

Shows history of a trait in a family and allows geneticists to analyze human traits.

Carrier

Heterozygous genotype(Ff). Individuals who have the recessive allele but appear normal.

Inbreeding

Mating of close relatives.

Incomplete dominance

Appearance between the phenotypes of the two parents.

Codominance

AB. Both alleles are expressed in heterozygous individuals who have type AB blood.

Pleiotropy

(Stimulate many). One gene influences several characters.

Polygenic inheritance

Two or more genes on a single phenotype(height, eye color, hair color).

Linked genes

Goes against Mendel's Law of Independent Assortment. Close together on a chromosome, inherited together.

Sex Chromosomes

Influence the inheritance of certain traits. (X and Y=Male) (X and X=Female)