Science 7 Final

The offsprings phenotype is a combination of the parents

A chart that divides Earth's history into different time units

the male sex cell; forms in a testis

Two bacteria of the same species attached to each other and combine genetic material

A whip-like structure to help with movement for bacteria

Forms when a bacterium builds a thick internal wall around its chromosome & cytoplasm

The study of similarities & differences among structures

Is fertilization and meiosis part of part of?

Unspecialized cells that are able to develop into many different cell types

The process of making mRNA from DNA

Groups of different tissues working together to perform a particular job

An adaptation that enables a species to blend in with its environment

A mixture containing material from one or more deactivating pathogens

Cell division in prokaryotes that forms two genetically identical cells

A new organism grows by mitosis and cell division on the body of its parent

Difference between plant and human cell division?

Occurs when the last individual of a species dies

Are macromolecules that form when long chains of nucleotides join together

Groups of different organs that work together to complete a series of tasks

What is a Nucleus

What is the difference between diffusion and osmosis?

The nucleic acid that carries the code for making proteins from the nucleus to the cytoplasm

Pairs of chromosomes that have genes in the same trait arranged in the same order

The new cell that forms from fertilization

The preserved evidence of the activity of an organism

A flexible covering that protects the inside of a cell

Is the movement of substances from an area of high concentration to low

A genetic factor blocked by a dominant factor

The breeding of organisms for desired characteristics

A slight difference and inherited trait of individual members of a species

Is a molecule made of nitrogen base, a sugar, and a phosphate group

Body parts of organisms that are similar in structure and position, but different in function

Cell Wall

Sister Chromatids are held by this

States that all living things are made of one or more cells

Are microscopic prokaryotes

A large macromolecule that does not dissolve in water

Smallest unit of life

Uses a magnetic field to focus a beam of electrons onto an object

The differential survival and reproduction of individuals

Gives Each organism a two-word scientific name

When both alleles can be observed in a phenotype

Difference between selective breeding and natural selection?

A cycle of growth, development, and division

The resembles of one species to another

Type of asexual reproduction performed in a laboratory that produces identical individuals

The impression of an organism on a rock

The passing of traits from parents to offsprings

The differential survival & reproduction of individuals

The diffusion of water molecules only through a membrane

A model used to predict possible genotypes

Who discovered the laws of inheritance?

Body parts of organisms that are similar in structure & position, but different in function

Occurs when multiple genes determine the phenotype of a trait

The nucleus and its contents divide

Process of heating food to a temperature that kills most harmful bacteria

What are prokaryotic cells?

living things that are made of two of two or more cells

Virus enters cells then what?

Conversion of atmospheric nitrogen into nitrogen compounds that are usable by living things

Series of chemical reaction that convert the energy in food molecule into usable form of energy

A long chain of sugar molecules

Medicine that stop the growth and reproduction of bacteria

Things that have all the characteristics of life

Groups of similar cells that work together to carry out specific tasks

The two new cells that result from Mitosis and Cytokinesis

Uses light and lenses to enlarge an image of an object

Why do Punnett squares use capitals and lower cases?

An inherited trait that increases an organisms chance of surviving & reproducing

Differences between growth and development?

Two identical chromosomes

Cells that have pairs of chromosomes

A strand of DNA or RNA surrounded by a layer of protein that can infect & replicate

Are long chains of amino acid molecules

Cells that have only one chromosome from each pair

Difference between haploid and diploid?

Is a form of asexual reproduction in which offspring grow from a parent plant

A person who studies plants and animals by observing them

A female sex cell; forms in a ovary

An egg cell and a sperm cell join together

An organisms ability to maintain conditions outside

The study of how traits are passed from parents to offsprings

A branched Diagram that shows the relationship among organisms

Agents that cause disease

Form by joining many small molecules together

A change in the nucleotide sequence of a gene

Are membrane bound organelles that use light to make glucose;known as photosynthesis

Group of organisms that have similar traits and are able to produce offspring

A group of similar species

The cytoplasm and its contents divide

Order of organization

The two alleles that control the phenotype of a trait

Are long chains of Amino acid molecules

A protein that can attach to a pathogen and make it useless

The nucleus and its contents divide

Type of reproduction in which genetic material from two different cells mix & produce offspring

Scientific names include?

The breaking down of dead organism and organic waste

Series of descriptions arranged in pairs leads user to unknown species

A period during the cell cycle of a cells growth and development

Movement of substances through a cell membrane, without using cells energy

One diploid cell divides and makes four haploid sex cells

A section on a chromosome that has genetic information for one trait