Answer:
hello again its d
Explanation:
what formed the alps mountains
Answer:
The Alps arose as a result of the collision of the African and European tectonic plates, in which the western part of the Tethys Ocean, that was formerly in between these continents, disappeared.
Answer:
The mountains were formed over tens of millions of years as the African and Eurasian tectonic plates collided. Extreme shortening caused by the event resulted in marine sedimentary rocks rising by thrusting and folding into high mountain peaks such as Mont Blanc and the Matterhorn.
Explanation:
Which of the following is NOT an importance of
cell division?
A. Repair
B. Reproduction
C. Temperature Regulation
D. Growth
Answer:
C
Explanation:
Have a nice day
A scientist is examining the function of macromolecules in a cell. She notices that movement of large molecules into and out of the cell is disrupted when she damages one specific type of macromolecule.
Answer:
She notices that movement of large molecules into and out of the cell is ... and out of the cell is disrupted when she damages one specific type of macromolecule. ... The macromolecule which has she most likely damaged would be a protein.
How do plants use carbon dioxide? A. To build proteins. B. They store it as fuel in limestone deposits. C. To produce sugars. D. They release it as waste.
Answer:
C) To produce sugars
Explanation:
Through photosynthesis, plants convert carbon dioxide and water into sugar.
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Which of these should be creative to help scientist make reliable conclusions
Synaptic facilitation, a form of short-term plasticity, is primarily due to ______________. A. insertion of AMPA receptors into the post-synaptic membrane B. depletion of the releasable pool of vesicles C. prolonged elevation of presynaptic calcium levels following synaptic activity D. changes in Na channels located on the post-synaptic membrane
Answer:
The correct answer is - C. prolonged elevation of presynaptic calcium levels following synaptic activity.
Explanation:
Synaptic facilitation is a process of short-term plasticity that transiently increases synaptic transmission for less than a second, which is considered an essential part of playing a critical role in information transfer and neural processing.
It is evident that such an increase in the synaptic transmission is occur due to prolonged elevation of presynaptic calcium levels following synaptic activity.
what substance acts to prevent sudden pH changes in bodily fluids?
Answer:
buffer
Explanation:
because it protects large changes in pH
Refer to Animation: Filtration, Reabsorption, Secretion. Cells of the excretory tubule _________water by osmosis, from which we can conclude that the solute concentration in these cells must be _________ than in the filtrate. reabsorb; lower excrete; higher reabsorb; higher excrete; lower 2. Refer to Animation: Filtration, Reabsorption, Secretion. What drives the reabsorption that occurs in animal excretory systems
Answer:
Reabsorption, Higher
Explanation:
What drives the reabsorption to take place in the executory system is the presence of slow diffusion of some substances and active transport for others. Filtration removes the water form the blood and other substances get dissolved into blood.What type of galaxy is the Milky Way pictured to the right? A. Irregular B. Elliptical C. Supernova D. Spiral
Answer:
D. spiral
Explanation:
Answer:
Spiral
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learn and observe air resistance by throwing objects from considerable height a; tissue paper b: plastic spoon c: stainless steel spoon take a record of your findings and observations and jot them down.
Answer:
Speed: Tissue fell slowest(lowest mass and large surface area acts as parachute)
Plastic spoon fell pretty quick
And the stainless steel spoon fell the fastest because of the weight and small mass
The tissue is the only item out of the 3 that makes 0 noise when it hits a surface.
Which two phrases describe the nature of the gravitational force?
Answer:
a force that pulls objects toward each other
Answer:
B
Explanation:
An example of mitosis at work is a leaf
a. turning yellow.
b. growing.
c. taking in carbon dioxide.
d. performing photosynthesis.
Answer:
The answer is B, Growing
Explanation:
Mitosis is the process of dividing a cell and its nucleus into two cells which each have their own nucleus. An example of mitosis is the way the skin cells covering a child's body all multiply while they are growing.
Is plasma membrane and cell coat the same?
Which of the following tissues is used in the formation of flowering plant organs?
1. Connective tissues
2. Vascular tissues
3. Epithelial tissues
4. Nervous tissues
Vascular tissues are the ones used in the formation of flowering plant organs. The correct option is 2.
What are vascular tissues?Vascular tissue is a complicated conducting tissue found in vascular plants that is made up of multiple cell types.
The xylem and phloem are the primary components of vascular tissue. Internally, these two tissues transport fluid and nutrients.
These tissues also help in the formation of flowering plants.
Thus, the correct option is 2.
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How is Gaucher disease treated?
Please help me, im on a pretest..
How are photosynthesis and cellular respiration related?
A. Photosynthesis releases energy, while cellular respiration stores energy.
B. Photosynthesis produces water molecules, while cellular respiration splits water molecules apart.
C. Cellular respiration is the process animals use to produce glucose, while photosynthesis is the process plants use to produce glucose.
D. Cellular respiration breaks down glucose, while photosynthe produces glucose.
Answer:
I would say C. but i don't think it will be
Which is a diagram that shows the flow of energy among different trophic levels? O A. Energy pyramid O B. Food chain O C. Solar energy O D. Food web
Answer:
A
Explanation:
an energy pyramid shows the flow of energy in the different trophic levels.
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what are the 4 pairs of DNA bases that form in the double helix?
Answer:
Attached to each sugar is one of four bases: adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by bonds between the bases, adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Answer:
Double Helix
Attached to each sugar is one of four bases: adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by bonds between the bases, adenine forming a base pair with thymine, and cytosine forming a base pair with guanine..
Which factor can decrease the rate of a chemical reaction?
A sonar pulse has a wavelength of 3.2 cm and a speed of 1,500 m/s in water. What is the frequency of the pulse? (
Explanation:
The universal wave equation states that the velocity of a wave is the product of its wavelength and its frequency.
Mathematically speaking,
∣
∣
∣
∣
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
a
a
v
=
λ
f
a
a
∣
∣
−−−−−−−−−−−
where
−−−−−
:
v
=
velocity of wave (metres per second)
λ
=
wavelength (metres)
f
=
frequency (hertz or reciprocal seconds)
Step 1
Convert the given wavelength from centimetres into metres.
3.0
i
c
m
×
m
100
i
c
m
=
3.0
c
m
×
m
100
c
m
=
0.030
i
m
Step 2
Rearrange for frequency,
f
, in the universal wave equation.
v
=
λ
f
Becomes,
f
=
v
λ
Step 3
Substitute your known values to solve for the frequency of the pulse.
f
=
1500
i
m
s
0.030
i
m
f
=
50000
i
H
z
Rounding off the value to two significant figures,
f
=
∣
∣
∣
∣
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
a
a
5.0
×
10
4
i
H
z
a
a
∣
∣
−−−−−−−−−−−−−−−−
The frequency of the pulse is 4.6×[tex]10^4[/tex], when the wavelength of the sonar pulse is 3.2cm. and has a speed of 1,500 m/s in water.
What do you mean by Sonar?The sonar may be defined as a device that is used to find the distance, direction, and speed of underwater objects like water hills, valleys, icebergs, submarines, sunken ships, etc.
The universal wave equation states that the velocity of a wave is equal to the products of its wavelength and frequency.
v = λf
∴ f = v/λ
1500/0.032 = 46,875 Hz.
f = 4.6×[tex]10^4[/tex] Hz.
Therefore, the frequency of the pulse is 4.6×[tex]10^4[/tex], when the wavelength of the sonar pulse is 3.2cm. and has a speed of 1,500 m/s in water.
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Which part of the body contains enzymes that break down starch into simple sugars? A.mouth B.brain C.stomach D.liver
The part of the body that contains enzymes that break down starch into simple sugars is the mouth (option A).
What is digestion?Digestion is the process whereby ingested food is converted into substances that can be utilized by the body.
Digestion involves the breakdown of large molecules of chemical substances in food into simpler molecules that can be absorbed.
Enzymes are responsible for the chemical degradation of food substances. A specific enzyme in charge of breaking down starch is called amylase and it is present in the saliva of the mouth.
Therefore, the part of the body that contains enzymes that break down starch into simple sugars is the mouth
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Question 16 of 30
John is testing the effect of temperature on the solubility of sugar in water.
He plans to determine the mass of sugar dissolved in a saturated solution.
He will begin with a known mass of sugar and add sugar to water until the
solution is saturated. He will then calculate how much sugar dissolved by
subtracting the remaining mass from the initial mass.
He organized data about his experiment in the following table:
Group A
Group B
Group C
Volume of water
100 mL
Temperature
25°C
1000 g
Initial mass of
sugar
800 g
Final mass of
sugar
Which factor should be the same in all three groups?
Answer:
As John is testing the effect of temperature on the solubility of sugar in water. To test this, he will measure the amount of sugar dissolved at different temperature level.Explanation:
I hope it's helpful for you ☺️The volume of water should be the same in all three groups.
What is solubility?Solubility is the property of a substance to dissolve in a solvent to form a homogeneous solution at a particular temperature and pressure.The volume of water should be the same in all three groups. This is because the experiment is testing the effect of temperature on the solubility of sugar in water, and any variation in the volume of water could affect the results.
By keeping the volume of water constant, John can ensure that any changes in the amount of sugar dissolved are solely due to changes in temperature and not changes in the amount of water. Therefore, he can compare the results of each group and draw conclusions about the effect of temperature on the solubility of sugar.
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Hemophilia is a serious bleeding disorder caused by a sex-linked recessive allele. What are the chances of a normal male and a female who is a carrier for hemophilia having a child with hemophilia?
0%
1/4 or 25%
1/2 or 50%
3/4 or 75%
Answer:
‼️A) 1/4 25% Chance‼️
Explanation:
If she gets the X chromosome with the hemophilia gene, she will have hemophilia. A man who has hemophilia and a woman who is a carrier have: a 25% (one in four) chance of having a son with hemophilia.
Answer:
50%
Explanation:
the sex linked trait is to the x chromosome but only one. that means the female would pass 50% the allele 50% of the time
If Darwin knew of Mendel’s work, how might it have influenced his theory of evolution? Do you think this would have affected how well Darwin’s work was accepted?
Answer:
See explanation
Explanation:
Darwin proposed his theory of evolution on the premise of natural selection. According to him, organisms which possess favourable characteristics which enable them to survive in their environment are more likely to survive and reproduce, passing on these favourable characteristics to their offsprings.
According to Mendel, the unit of inheritance passed on from parents to offspring are genes. Hence Darwin's factors are Mendel's genes.
If Darwin knew of Mendel's work. It might have influenced his presentation of the idea of passing on favourable characteristics from parents to offspring in the light of genetics.
This would have made Darwin's work to have more empirical backing hence making it more widely accepted.
How does Inquiry differ from the Scientific Method?
A. The Inquiry process does not use hypotheses, while the Scientific Method does.
B. Inquiry is more open ended, while the Scientific Method is more linear.
C. There is no difference, they are the same thing.
D. Inquiry is more linear, while the Scientific Method is more open ended.
Answer:
B. Inquiry is more open ended, while the Scientific Method is more linear.
Explanation:
Scientific investigations involve asking questions and providing answer to them. Scientists use data from observations to proffer solutions to problems. Scientific inquiry and scientific method are used in this regard, however, they are not the same.
One of the notable differences between the scientific inquiry and method is that:
- Scientific method is a step by step, linear structured way of solving problems whereas scientific inquiry does not follow a linear pattern. In other words, inquiry is more open ended, while the scientific method is more linear.
Answer:
B. Inquiry is more open ended, while the Scientific Method is more linear.
Explanation:
.What do you think is the most unusual type of protist or the most unusual
Feature of protists? Why?
Answer:
Saprolegnia, type of water mold
Which of the following is a scientific observation about the panther pictured
below?
Florida Panther
O A. The panther is enjoying the warmth of the sun.
B. The fur on the panther's head is darker than the fur on its body.
C. The panther's coloring is for camouflage.
O D. The panther is an important American symbol.
Answer:
D, The panther is an important American symbol
pls mark me
Answer:
d
Explanation:
Cellular respiration is a mirror image of photosynthesis, meaning that the chemical reaction is the reverse. Below is the chemical reaction for photosynthesis.
Which of the following would be the correct chemical reaction for cellular respiration?
6 CO2 + 6 H2O → C6H12O6 + 6 O2
A. 6 CO2 + 6 H2O → C6H12O6 + 6 O2
B. 6 CO2 + 6 H2O → 6 CO2 + 6 H2O
C. C6H12O6 + 6 O2 → 6 CO2 + 6 H2O
D. C6H12O6 + 6 O2 → C6H12O6 + 6 O2
And if your kind enough would you mind marking me as branliest plz plz
The chemical reaction for cellular respiration will be C6H12O6 + 6 O2 → 6 CO2 + 6 H2O, the correct option is C.
What is cellular respiration?Cellular respiration is a succession of chemical reactions that break down glucose to produce ATP, which can then be used as energy to power a variety of reactions throughout the body.
Cellular respiration consists of three major steps: glycolysis, the citric acid cycle, and oxidative phosphorylation.
It is mirror image of photosynthesis, its chemical reaction is:
[tex]C_{6} H_{12}O_{6} + 6 O_{2}--------- > 6CO_{2}+6O_{2}[/tex]
Thus, the correct option is C.
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I have earned about 20 points that aren't been added why
Answer:
I am not sure-
Explanation:
I mean you should refresh the page or smth unless the question was deleted
Hope it helps c:
All of the following are evidence for the big bang except: A. Cosmic background radiation B. Almost all galaxies are red-shifted C. The sound from the bang echoes though the universe D. The universe is expanding
Answer: C. The sound from the bang echoes though the universe
Explanation:
Cosmic background radiation proves the big bang because it shows that as a result of the big bang, the early universe was really hot but cooled as it expanded. Cosmic background radiation is the result of that earlier heat.
Galaxies being red-shifted means that the space between galaxies is increasing which means that the universe is expanding which provides evidence for a big bang because particles move away the single point they are concentrated in.
There was no actual bang from the big bang and sound cannot echo through space so c is incorrect.
