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Biology 1part 1
Final ExamBiology 1
Part 1
Flashcards
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A series of steps scientist use to solve problems
Scientific method.
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Something that causes the changes observed in an experiment
Variable
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Distance from one point to another
Length
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A change in DNA code
Mutation
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Cell part where proteins are made
Ribosome
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“powerhouse” of the cell
Mitochondria
A.K.A.
The “mighty” Mitochondria
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States that all cells come from other cells
Cell theory
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Reproductive cells in sex organs
Gametes
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Union of egg and sperm
Fertilization
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Chemical that controls traits
DNA
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Small section of the chromosomes that determine a specific trait of an organism
Gene
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Organism with two dominant genes for a trait
Homozygous dominant
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Chemical that acts as a messenger for DNA
RNA
A.K.A
Ribonucleic acid
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Part of the microscope that controls the amount of light
Diaphragm
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Kind of cell reproduction that forms eggs and sperm
Meiosis
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An exact copy of a living thing
Clone
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Able to reproduce by forming egg of sperm cells
Fertile
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Variety of living things
Diversity of life
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A trait that makes a living thing able to survive in its surroundings
Adaptation
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The physical traits and behavior that enables organisms to survive and reproduce in their environment.
Fitness
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Organisms that use dead material for food
Saprophytes
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Word part that means “false”
Pseudo
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Word part that means “first”
Prime
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Word part that means “egg”
Ovi
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Word part that means “half”
Hemi
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Word part that means “self”
Auto
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Word part that means “different”
Hetero
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Word part that means “small”
Micro
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What type of cell am I?
Plant
I haveChloroplast,
a cell wall, and a nucleus.
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Word part that means “many”
Multi
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Observations you record
Data
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The first step in using the scientific method
Recognizing a problem
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A group of similar cells that work together to carry out a special job
Tissue
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The cell part that controls activities
Nucleus
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The largest group into which living things are classified
Kingdom
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The first scientist to classify living things
Aristotle
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Scientific names show the classification groups of _______ and_____.
Genus
And
Species
(GaS)
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The two parts found only in plant cells
Chloroplast
And
Cell wall
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What type of cell am I?
Animal,I have no cell
wall, no chloroplast, but I do have a nucleus.
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Bacteria are members of kingdom _______.
Monera
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A mushroom is in the kingdom _________.
Fungi
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An egg and sperm each give the new embryo ____ of its new chromosomes
½
The egg gives ½
The sperm gives ½
For a total of 2/2 which equals 1
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Humans have 46 chromosomes. Human egg cells contain____.
23 chromosomes
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When a cell reproduces by mitosis, it always forms ____ cells.
Two
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Genes that do not show their traits even though they are present are called _____.
Recessive
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Each body cell has how many genes for each trait?
Two
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A human male has a __ and __ sex chromosome.
X and Y
XY- determines that the offspring is male.
XX is female.
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Is the gene combination Aa heterozygous of homozygous?
Heterozygous.
AA or aa would be homozygous.
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Label me
1) Coarse adjustment
2) Eyepiece
3) Objective
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Is having no dimples a dominant trait?
No
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Is being able to roll you tongue dominant?
yes
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Is having curly hair dominant?
yes
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How many genes control human blood type?
Three
They are A,B, and O.
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What stage of mitosis am I?
Prophase
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What stage of mitosis?
Metaphase
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What phase of mitosis am I?
Anaphase
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What Stage of mitosis am I?
Telophase
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What Stage of mitosis am I?
Interphase
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Each person has only ____ genes for blood type.
two
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The DNA message depends on the order of the _______ _______.
Nitrogen bases
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The DNA base T lines up with (A, T, C, or G)?
A
T lines up only with A.
T symbolizes thymine.
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The DNA base C lines up only with (A, T, C, or G)?
G
C lines up only with G
C represents cytosine.
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In RNA uracil or U replaces ( A, T, C, or G) ?
Uracil or U replaces thymine or T.
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Nucleus. The dark area at center of the nucleus is the nucleolus.
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Chloroplast
