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WorksheetsMYA Review
Total questions: 40
Worksheet time: 30mins
The area that the substrate fits into on the enzyme is called the:
active site
enzyme
substrate
protein
Enzymes catalyze reactions by ___________ Activation Energy.
increasing
decreasing (lowering)
protein
stables
At high temperatures or a wrong PH enzyme activity declines because it:
protein
denatures (change it's shape)
increase activation energy
ions compounds
What kind of transport does not require energy? example, simple diffusion or facilitated diffusion.
organic transport
osmosis
passive transport
active transport
What is facilitated diffusion?
Transport that uses protein channel to help move molecules across the membrane.
When molecules spread from High to Low concentration on their own.
When pressure pushes something through a membrane.
Movements of substances through a membrane.
osmosis is water movement. What is an isotonic solution?
Has a greater pressure
When the solution has less solute
When the solution has more solute
When solutions are in equilibrium (balance)
Which of the following is correct about the Golgi?
cell movement
modifies (sorts) and packages molecules
digest materials
protection and support
What is the longest stage of the cell cycle called?
meiosis
G2 phase
mitosis
interphase
During what phase of the cell cycle is DNA replicated or synthesized?
G1
G2
M phase
S phase
What causes genetic variation (diversity) in meiosis?
chromosomes line up
chromosomes pulling apart
separation of chromosomes
crossing over of chromosomes
The process of crossing over occurs in what phase of meiosis?
anaphase 1
anaphase 2
prophase 1
prophase 2
What phase of mitosis is shown in the picture?
prophase
metaphase
anaphase
telophase
Two different form of genes or alleles is _______________.
homozygous (pure line)
heterozygous (hybrid)
genotype
phenotype
Two brown eyed parents (Bb) have a baby. If brown eyes are dominant, what is the chance the baby is blue eyed?
0%
100%
75%
25%
You decide to cross a red flower and a white flower. The result is a pink flower. What type of inheritance is this called?
complete dominance
codominance
incomplete dominance
phenotype
The white rooster and black hen make 5 babies that are speckled (black AND white (spots). What type of inheritance is this called?
complete dominance
codominance
incomplete dominance
phenotype
Organisms whose cells have NO nucleus are classified as...
eukaryote
prokaryote
dead
animal
True or False: All living things are made of one or more cells. (think cell theory)
True
False
Respiration is the process by which animals take in _____ and release _____.
photosynthesis, air
carbon dioxide, oxygen
air, photosynthesis
oxygen, carbon dioxide
Where does cellular respiration occur?
mitochondria
chloroplast
nucleus
golgi body
What is the correct equation for cellular respiration?
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
Cramps during exercise means that a person exercising is doing
photosynthesis
aerobic respiration
lactic acid fermentation
alcoholic fermentation
Where does anaerobic respiration occur?
cytoplasm
mitochondria
chloroplast
golgi body
The part of the microscope that lets you control the amount of light passing through the slide
lens
stage
magnifier
diaphragm
In the energy pyramid, how much of the energy in the producers gets passed to the herbivores? The rest is used or lost as heat.
10%
80%
20%
90%
What may happen if the snowshoe hare(rabbit) was removed from the food web pictured?
The shrew (looks like a mice) population would decrease due to being only hawk food source.
Foxes would dies due to NO food source.
The willow tree population would decrease.
The insects in the habitat would decrease.
Which is a function of the leaves? (think what leaves contain)
for shade
make food through photosynthesis
absorb nutrient
absorb water
Where does photosynthesis takes place?
mitochondria
chloroplast
nucleus
lysosome
What is the significance of the cell membrane?
protection
cholesterol
maintain homeostasis
photosynthesis
Which biomolecule is your main source of quick energy and has ratio 1:2:1?
lipid
carbohydrates
This biomolecule insulates, compose majority of cell membrane and works as long term energy.
carbohydrates
lipids
protein
nucleic acids
macromolecule that contains carbon, hydrogen, oxygen, nitrogen. It builds structures.
carbohydrates
lipids
protein
nucleic acids
The monomer is nucleotide and polymer is DNA & RNA
carbohydrates
lipids
protein
nucleic acids
Which cell division ends with the production of 2 identical daughter cells each with DIPLOID chromosomes?
mitosis 46
meiosis 23
Which ends with 4 DIFERENT HAPLOID daughter cells in GAMETES division?
mitosis 46
meiosis 23
What means carrying capacity?
maximus population size that the environment can sustain (support)
carrying capacity is approached by the population
logistic growth S curve
Which is the carrying capacity of this graph? (Think of what carrying capacity means)
500
1000
1500
2000
Which of the following would provide the most energy in an ecosystem?
producers
consumers
omnivores
decomposers
Miller/Urey and other scientists have shown that:
Life on early Earth required material from space
Cells survived in the primitive atmosphere
Amino acids (organic molecules) could be produced from inorganic molecules
Simple cells can be produced in a laboratory
The theory of Endosymbiosis explains...
The origin of eukaryotes
How bacteria evolved
How species develop
Why cells rely on one another
