Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
39 Cards in this Set
- Front
- Back
|
What is a cell?
|
the smallest unit that can preform the functions of life
|
|
|
what is microscopy?
|
the science of using microscopes to view samples and objects
|
|
|
what is an organelle?
|
a specialized structure in a cell
|
|
|
what is a micrograph?
|
a photograph taken with a microscope.
|
|
|
What are the three components to the cell theory?
|
-all living things are made up of one of more cells
-cells are created from preexisting cells -the cell is the basic organizational unit of life |
|
|
What is the function of the Nucleolus?
|
involved in the making of protein
|
|
|
What is the function of the nucleus?
|
controls cell activity
|
|
|
What is the function of the chromosome?
|
contains genetic information
|
|
|
What is the function of the mitochondria?
|
provides energy
|
|
|
What is the function of the cell membrane?
|
forms a barrier between in inside and the outside of a cell
|
|
|
What is the function of the cytoplasm?
|
fluid filled space of the cell which contains water, sugar and other proteins essential for the cell
|
|
|
What is the function of the ribosome?
|
builds and produces protein
|
|
|
What is the function of the endoplasmic reticulum?
|
transports materials made in the cell
|
|
|
What is the function of the golgi apparatus?
|
prepares protein for transportation out of the cell
|
|
|
What is the function of the lysosomes?
|
breaks down larger molecules
|
|
|
What is the function of the centriole?
|
creates fibers that help to separate the chromosomes during cell division
|
|
|
What is the function of the cell wall?
|
the non living outside of the cell. provides support
|
|
|
What is the function of the chloroplast?
|
created energy for a plant cell using glucose.
|
|
|
What is the function of the vacuole?
|
stores protein one large in a plant cell, many small in animal cell
|
|
|
What is the function of the flagellum?
|
moves the animal cell
|
|
|
What is the function of the cilia?
|
little hairs on the outside of a cell which capture nutrients to absorb in the cell
|
|
|
What is the function of the vesicles?
|
transport and store substances
|
|
|
What is the function of the cytoskeleton?
|
provides support
|
|
|
|
|
|
|
How many sets of chromosomes does the average person have?
|
23 sets
|
|
|
What is DNA?
|
material found in the cell nucleus that contains genetic information
|
|
|
What are genes?
|
a segment of DNA that controls protein production
|
|
|
What are the four building block molecules that create DNA?
|
AdenineThymineCytosimeGuanine
|
|
|
What is unique about all of the proteins created by DNA?
|
the proteins each have a specific job
|
|
|
What are enzymes?
|
proteins that speed up chemical reactions in your body
|
|
|
What is DNA screening?
|
the process of testing ones DNA to see if they have genetic disorders
|
|
|
How can you tell if a fetus will have down syndrome?
|
by taking cells out of a fetus, you can check to see the number of chromosomes. If chromosome 21 has 3 instead of the usual 2, the child will have down syndrome
|
|
|
How can you test a baby for PKU?
|
by taking blood from a baby you can test for certain types of enzymes. If the baby does not have this enzyme then they will have a build up of protein in their blood.
|
|
|
What is huntington disease?
|
when a person around 40 starts to lose any ability to function
|
|
|
What is a transgenic organism?
|
an organism thats genes have been modified by the insertion of other genes
|
|
|
What is cloning?
|
the process of creating identical genetic copies of an organism
|
|
|
How does cloning work?
|
An egg cell from one organism is extracted and the nucleus is taken out. The egg cell and another cell are electricuted to combine then placed in a uterus to grow.
|
|
|
What is a mutation?
|
a change in the usual order of ATCG
|
|
|
What are mutagens?
|
a factor that can cause a mutation
|
