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Life Science Midterm Review Flashcards | StudBud
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Life Science Midterm Review
Life Science Midterm Review
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1
Incomplete dominance is when...
both alleles coexist
both allele blend
one allele controls another allele
2
Unicellular or Multicellular?
Unicellular
Multicellular
3
What is the first step of the cell cycle?
Prophase.
Telophase.
Anaphase.
Interphase.
4
The result of mitosis is
2 genetically unique daughter cells
2 genetically identical daughter cells
4 genetically identical daughter cells
4 genetically unique daughter cells
5
what do organelles do?
perform specific functions within the cell
regulates what enters and leaves the cell
directs cell activities
responsible for production of ribosomes
6
What is the control in an experiment
the factors or conditions that you manipulate in an experiment
The mitochondria is the powerhouse of the cell
an element that remains unchanged or unaffected by other variables
what is being measured in an experiment
7
This punnett square shows and example of:
Codominance
Incomplete Dominance
8
Prokaryote or Eukaryote?
Prokaryote
Eukaryote
Neither
Both
9
Mitosis is...
the process to create a child
sexual reproduction to produce living cells not identical
cells that are produced and genetically distinct.
a process where the cells create identical copies of itself
10
What is a Punnett Square?
Pea plant chart
Square diagram that predicts the future
Square diagram that predicts geneotypes
It is a mystery
11
An example of codominance would be...
Solid light blue flower
Solid white flower
Solid yellow flower
Purple flower with white center
12
What is a hypothesis?
a store in Poland
educated guess or testable prediction
something that you learn in science
a factor that is adjusted by the experiment
13
Meiosis is..
cell division that forms sex cells
asexual reproduction
cell division that is required for sexual reproduction.
two new cells resulting from the original cell.
14
Define Dominant Allele
Always shows it's traits
Correct answer not shown
Only visible when two alleles are present
15
What are the parents of the punnett square below?
TT, tt
tt, Tt
Tt, Tt,
tt, tt
16
What occurs third during the cell cycle?
Interphase.
Anaphase.
Prophase.
Metaphase.
17
A Prokaryote is a..
A cell with no cell wall
A cell with no mitochondria
A single cell with no true nucleus
A simple animal
18
what are the four macromolecules
Proteins, Lipids, Carbohydrate, Nucleic acid
Protein, Lipids, Carbohydrates, Amino Acids
Lipids, protists, carbohydrates, Nucleic acid
19
How do vacuoles differ in a plant cell vs an animal cell?
Vacuoles are larger in plant cells than in animal cells.
Vacuoles in plant cells are smaller than in animal cells.
Vacuoles are larger in animal cells than in plant cells.
20
Everything that must remain the same through all trials.
Independent Variable
Control
Constants
Dependent Variable
21
A gene is...
RNA
DNA found on a chromosome
An Allele
A segment of DNA that codes for something
22
What does the cell theory state?
All living cells arise from pre-existing cells by division
A cell is the basic unit of structure and function in all living organisms
All of the above statements are correct.
All known living things are made up of one or more cells.
23
What is unicellular
A celled organism
A singled celled organism
A multicelled organism
Someone that is small with cells
24
Codominance means…
Two alleles dominate over recessive alleles of the same gene
Two alleles produce an intermediate phenotype.
Two alleles are expressed simultaneously.
Traits are mixed.
25
The function of the chloroplast is....
Breaks down the old parts of the cell.
Converts light energy into chemical energy, or photosynthesis.
Helps the cell move around.
Holds the cell together.
26
The cell membrane is ...
selectively permeable
an example of osmosis
thing being dissolved
what is dissolving
27
How could you tell if this is a plant vs. an animal cell?
look for the mitochondria, animal cells have those
look for the nucleus, you could tell by looking at that
look for the chloroplasts, plant cells have those
there´s no way to tell
28
The Golgi Body...
modifies and packages proteins
provides energy to the cell
gives the cell it's shape
makes the cell move around
29
The basic function of life that states that the living thing is able to create an offspring. Can be sexual or asexual.
Reproduction
Organization
Homeostasis
30
When do you start the scientific method?
When the question works.
When you have to do research.
When you have a question.
When you get the results.
31
Prokaryote or Eukaryote?
Both
Neither
Prokaryote
Eukaryote
32
What is the fifth step of the cell cycle?
Metaphase.
Telophase.
Prophase.
Interphase.
33
what cell has chloroplast
animal
plant
bacteria
34
digest excess or worn out organelles
retinol
lysosomes
ventriole
centriole
35
What is a genotype?
Recessive Trait
Dominant Trait
Physical Trait
Genetic Code
36
the part of the experiment that the experimenter/you change.
Independent Variable
Constants
Dependent Variable
Control
37
Unicellular or Multicellular?
Multicellular
Unicellular
38
The physical expression of a genotype ?
alleles
genotype
genes
phenotype
39
what does multicellular mean?
having 1 cell
having more than 1 cells
40
What are the steps of the scientific method?
Conclusion, Experiment, Hypothesis, Research, Question, Analyze
Question, Analyze, Experiement, Research, Hypothesis, Conclusion
Question, Hypothesis, Research, Experiment, Analyze, Conclusion
Question, Research, Hypothesis, Experiment, Analyze, Conclusion
41
final step of scientific method
hypothesis
theory
modeling
results & conclusions
42
What stage of meiosis is this?
Prophase II
Telophase I
Prophase I
Metaphase I
43
the part of an experiment that you are measuring. This changes due to the introduction of the independent variable.
Control
Independent Variable
Dependent Variable
Constants
44
What are the products of cellular respiration?
H2O and CO2 and ATP
Ethanol and CO2
Glucose and O2
Lactic Acid
45
Define an allele
A cluster of chromosomes
A unique forms of gene
It's part of the nucleus
The thing that controls the nucleus
46
What does a Ribosome do
Holds information on how to make the cell
Makes the cell green
Creates energy for the cell
Makes proteins
47
Incomplete Dominance
4 will be blue and 4 will be purple
All 8 will be blue
4 will be blue and 4 will be red
All 8 will be purple
48
What is Eukaryote ?
A cell which has no nuclear membrane around its genetic material
A cell which has a nuclear membrane around its genetic material
A kingdom of autotrophs
A group of similar organisms
49
What does the cell wall do?
Captures energy
Stores materials
Produce proteins
Provide support and protection
50
Rough ER
Center of nucleolus/Where RNA is found
Makes proteins for cells
Filled with digestive enzymes/"Garbageman of cell"
51
So, human cells at the end of MEIOSIS I have...
23 chromosomes
46 chromosomes
52
What are the reactants of cellular respiration?
H2O and CO2
ATP
Glucose and O2
53
This is the first step of the scientific method and the step where you make an observation
Question
Hypothesis
Share Results
Experiment
54
The mitochondria does...
Secretes hormones
Gives support to the cell
Produces proteins
Produces energy and ATP
55
What are the stages of mitosis?
Telophase and Anaphase
Anaphase, Metaphase, and Telophase
Prophase, Metaphase, Anaphase, and Telophase
Telophase and Metaphase
56
Identify the control group in the experiment:
Plant A
Music
Plant B
Number of tomatoes
57
Products: Photosynthesis
Carbon dioxide and Water
Glucose and Oxygen
Water and Oxygen
Glucose and Carbon dioxide
58
Were is the cell membrane?
On the outside of the cell
In the center
the middle
59
Define Recessive Allele
None of the above
Always visible
A genetic code
Only visible when two alleles are present
