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54 Cards in this Set

  • Front
  • Back
When you breathe, your lungs take in oxygen and remove _____.
carbon dioxide
Cell respiration ivolves supplying your body's cells with ____.
oxygen
The ___ is a tubelike passageway for both food and air.
pharynx
Within the lungs, the exchange of oxygen and carbin dioxide occurs between the ___ and the capillaries.
alveoli
The ___ prevents food or liquid from entering your trachea.
epiglottis
People whose ___ don't work may have to undergo dialysis.
kidneys
When urinary organs don't work, this does not occur
homeostasis
A disorder of the lungs called ___ is often an allergic reaction.
asthma
___ in cigarette smoke is the greatest contributor to lung cancer.
tar
The main excretory organs of your body are the large intestine, kidney, lungs, and ___.
skin
The organs of your urinary system are ___ organs.
excretory
A tube called the ___ leads from the bladder to the outside of the body.
urethra
The amount of water in blood is important except in maintaining ____.
normal blood presure
An atom's nucleus contains ___.
protons and neutrons
A chemical formula shows the kinds and number of atoms that form a ___.
compound
Organic compounds that store important coded information in cells are ___.
nucleic acids
The function of the selectively permeable cell ___ is to allow some things to pass through it but not others,
membrane
Bacteria are taken into cells by ___.
endocytosis
Organic comounds are compounds that always contain __.
carbon
___ are organic compounds made of sugars and starches
Carbohhydrates
__ are organic compounds that store energy.
lipids
In a ____, substances mix evenly with other substances.
solution
The movements of large molecules through the cell membrane out of the cell is called ____.
exocytosis
If the movement if molecules requires ATP energy, it is ___.
active transport
Most of the life of any cell is spent in a period of cell growth and development called ___.
interphase
Only animals have spindle fibers during ___.
mitosis
___ is not composed of body cells.
sperm
Each human skin cell has ___ pairs of chromosomes
23
Human sex cells have ___ individual chromosomes.
23
In sexual reproduction, a new organism is produced when ____.
sex cells combine
By ___, a new organism can grow from just a part of the parent organism .
regeneration
In ___, a new organism grows from the body of the parents organism.
budding
The number of chromosomes in a sex cell of an organism is its ___ chromosome number.
haploid
Meiosis consists of ___ divisions of the nucleus.
two
At the end of meiosis, ___ cells have been produced from one cell.
four
Protein are made of units called, ____ wich are linked together in a specific order.
amino acids
The code for making proteins is carried to the ribosomes by ___.
mRNA
In DNAm adenine always pairs with ____.
thymine
Most carbon dioxide enters plants through stomata on the __.
lower surface of leaves
Light, ___, and carbon dioxide all affect the opening and closing of stomata.
water
The plant hormone that causes stomata to close and that helps plants respond to water loss is ___.
abscisic acid
The autumn colors of tree leaves are due to ___ in the leaves.
pigment
Light energy for the plant to use in making its food is trapped by ___.
chlorophyll
The type of growth response having to do with light is called ___.
photoperiodism
___ causes fruit to ripen.
Ethylene gas
Plants that require short night to flower are called ___ plants.
long-day
Most of the life in any cell is spent in a period of growth and development called ___.
interphase
In a punnett squarem, a capital letter (T) stands for a ____ allele.
dominant
The combination Tt represents a ____ genotye.
heterozygous
Experiments with four o'clock flowers produced examples of ___ dominance
incomplete
Blood type is an example of ___.
multiple alleles
Color blindness is an example of ___.
a sex-linked disorder
Genetic engineering has already helped people by _____.
producing medicine
Through recombinant DNA, scientists have been able to ___.
improve tomatoes.