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background info: potato cells were added to different solutions of NaCl and it has to do something with Osmosis
Answers
Answer:
The water moving form inside the potato to the outside, making it lose mass.
Explanation:
I hope this is right.
Related Questions
7)
Lenny accidentally drops his matchbox car into a graduated cylinder. The car has a mass of 10 grams and the water level in the cylinder rises from 41 ml to 46 ml. Determine the density of the matchbox car. The formula for density is D =
m
v
.
A) 0.5 g/ml
B) 2 g/ml
C) 15 g/ml
D) 50 g/ml
Answers
Answer:
B) = 2 g/mL
Explanation:
Given data:
Mass of car = 10 g
Volume of water = 41 mL
Volume of water+ car = 46 mL
Density of car = ?
Solution:
Density is equal to the mass of object divided by volume of object.
Formula:
d = m/v
volume of car = Volume of water+ car - Volume of water
volume of car = 46 mL - 41 mL
volume of car = 5 mL
d = 10 g/ 5 mL
d = 2 g/mL
energy needed to get a reaction started is called ?
Answers
Answer:
Activation Energy
Explanation:
Hope that helps :)
What is a living cell ?
Answers
Answer:
A living cell is the basic unit of structure and function in living organisms.
Explain the process of DNA isolation.
Answers
Answer:
Lysis, precipitation and purification
Explanation:
DNA isolation is a molecular biology technique based on the extraction of DNA and subsequent purification to remove inhibitors that may hamper the process of amplification. DNA isolation consists of three steps:
1- Lysis: it consists of the mechanical disruption of the cell, where the nucleus is broken to release DNA. During this process, it is required to use enzymes and detergents such as Proteinase K
2- Precipitation: during this process, the DNA is precipitated by using alcohol and salt.
3- Purification: this process removes the impurities from DNA. Extraction is carried out by washing DNA with ethanol and water.
15 POINTS!!!!! Select ALL the correct answers.
Honey fungi grow on the bark of certain trees. The fungi get their energy by absorbing nutrients from the tree. The fungi have a parasitic relationship with the tree. What are two likely effects of this parasitism?
1. The tree will be damaged.
2. The capacity of the tree to reproduce will increase.
3. The growth capacity of the tree will be affected.
4. The tree’s energy requirements will be reduced.
Answers
Answer:
3 and 4
Explanation:
Answer:
3 and 4
Explanation:
just do it is right and I did a test on it and got a A+
so just go with it.
In order for a new species to develop, there must be a change in the
А) migration patterns of a population
B) genetic makeup of an existing species.
С) rate of succession in the environment.
D) temperature of the environment.
Answers
Answer:
its B, have a good day
Explanation:
i need the awnsers asap!! please and thanks
Answers
Answer:
C
Explanation:
The cycle that is critical for the formation of organic compounds is the ___cycle.
Answers
Which structures are not found in simple leaves?
Answers
1. clumped population dispersal ___ resources
a) share
b) compete
c) are independent of
d) disperse
2. The level in which a population can no longer grow due to limited resources is referred to as,
a) K, carrying capacity
b) L, limited growth rate
c) D, death rate
d) N, no more nutrients
3.Most life on Earth exhibits which form of population growth curve?
a) logistic
b) exponential
c) algebraic
d) deductive
Answers
Answer:
compete
limited growth rate
logistic
Explanation:
What 4 things do autotrophs need to carry our photosynthesis
Answers
Answer:
Chloroplast, light, water, and carbon dioxide
What are two ways that variation can be described?
Answers
Answer:
varyatio of somthing and multiple varitons of it
Explanation:
The two ways that variation can be described are meiosis and evolution, because in the meiosis process, sexual reproduction occurs, and in the evolution process, changes in animals are seen and variation is observed.
What is variation?When sexual reproduction occurs, there is variation seen because in meiosis genes cross over and recombinate, resulting in variation in offspring from their parents, but it is absent in asexual reproduction that is caused by mitosis or binary fission because here there is no variation in the offspring and the parents. The process of evolution introduces variation because, along with environmental factors, the animal genes are influenced too.
Hence, the two ways that variation can be described are meiosis and evolution, because in the meiosis process, sexual reproduction occurs, and in the evolution process, changes in animals are seen and variation is observed.
Learn more about the variation here.
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need help with this asap!!
Answers
Answer:
which part do you need help with?
In what cellular function does the structure here play a role
Answers
Answer:
BRAINLIEST PLZZZ
Explanation:
They play a major role in protein synthesis. They act as the powerhouse for the cell. They are involved in the separation of chromosomes during cell division.
Answer:
Protein synthesis
Hope this is helpful
Which macromolecules provides quick energy breakdown?
Answers
Answer:
carbohydrates provide quick energy
What process brings energy and matter into living systems
Answers
Answer:
Photosynthesis
Explanation:
This is a role in the cycling of matter and flow of energy into and out of organisms. The flow of energy and cycling of matter can be traced.
Answer the following:
Answers
Answer:
1. they are simply arranged differently
2. 3 billion letters, could fill 5,000 books
3. 100 trillion cells
4. 99% of us have the same genetic code 0.1% of it is diffrent
Explain how a change in the sequence of nucleotides in a strand of DNA might cause a protein to malfunction
Answers
Answer:
As a result of a change in the sequence of nucleotides in a strand of DNA (Deoxyribonucleic acid), the amino acids also change in the final protein which leads to protein malfunction.
Explanation:
As a result of a change in the sequence of nucleotides in a strand of DNA (Deoxyribonucleic acid), the amino acids also change in the final protein which leads to protein malfunction. If insulin does not work correctly, it may not be able to bind to the insulin receptor.
DNA contains genetic information. It has a double helix structure.
1. Which type of reaction has water in its products?
a. Hydrolysis
b. Dehydration synthesis
2. What type of reaction uses water as a reactant?
a. Hydrolysis
b. Dehydration synthesis
Answers
Answer:
1. b. Dehydration synthesis
2. a. Hydrolysis
Explanation:
Hydrolysis is the process where water is used to break chemical bonds. Dehydration synthesis is the reverse reaction, where a bond is formed resulting in the loss of water from the molecule, so a water molecule is generated as a product.
That means that dehydration synthesis produces water, and hydrolysis uses water.
Answer:
b. Dehydration synthesis gives out water as a product.
a. Hydrolysis reaction uses water as a reactant.
Explanation:
b. Dehydration synthesis can be defined as, formation of larger molecule from small reactant, followed by loss of water from the reaction.
They are also called condensation reactions.a. Explanation: Hydrolysis, it is the reaction in which compound is interacted with water which results in the degradation of that particular compound.
Hydo means water, lysis means to dissolve or breakdown.Choose the most appropriate name for the function described below The height reached by the rocket depends on the amount of fuel
A.Height(fuel),or H{f}
B.Fuel{height},or F[h
C.Fuel{rocket) or F{r}
D.Height{rocket}or H[r}
Answers
B. Fuel{height},or F[h
Describe the structure of an amoeba .....in short form
Answers
Answer:
Structure of amoeba primarily encompasses 3 parts – the cytoplasm, plasma membrane and the nucleus. The cytoplasm can be differentiated into 2 layers – the outer ectoplasm and the inner endoplasm. The plasma membrane is a very thin, double-layered membrane composed of protein and lipid molecules.
Explanation:
:)
Answer:
The structure of amoeba is primarily composed of 3 parts – the cytoplasm, plasma membrane, and the nucleus.
Explanation:
Hope this helps!
How is oceanic crust formed?
Answers
Answer:
it is constantly formed at mid-ocean ridges, where tectonic plates are ripping apart from each other.
Match each tool with its influence on science
Answers
Answer:
xray - allows scientists to see dense structures
Microscope - view things that cannot be seen with the naked eye
Telescope - stars, planets and black holes
Ultrasound - see inside the body in real time
Explanation:
Xrays shows highlights dense structures within the body (bones). But is not in real time, usually there images that are captured and reviews later.
Microscope - the clue is in the name, think micro= tiny! Therefore cant be seen by the naked eye. The "scope" part of the word means to look at or observe. So put them together and you get to look at or observe tiny things.
Telescope - the first part of this word "tele", means something far away or at distance. Which gives a clue at what it does, add on the "scope" meaning of to look at or observe and you get; to look at or observe something that is far away.
Ultrasound - this is what is used to monitor the health of babies when they're still developing. It can be seen in real time.
X-rays enable researchers to observe dense formations. View objects using a microscope that is invisible to the eye. Telescope: black holes, planets, and stars see into the body in real-time using ultrasound.
What is the tool microscope's influence on science?X-rays depict the body's dense internal architecture (bones). But it's not in real-time, typically, pictures are taken and then looked at afterward.
The name of the instrument, "microscope," gives it away—think small! as a result, not visible to the eye. The word "telescope" refers to anything far out or remote in its first half.
When a baby is still developing, their health is monitored using ultrasound technology.
Therefore, view objects using a microscope that is invisible to the eye.
Learn more about Microscope, here:
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Identify the following groups by name and give the number of valence electrons in each...
1. Group 1 (1A):
2. Group 2 (2A):
3. Group 3-12:
4. Group 14 (4A):
5. Group 15 (5A):
6. Group 16 (6A):
7. Group 17 (7A):
8. Group 18 (8A):
(this is talking about the periodic table
Answers
Answer:
it's really simple, all you need to do is look at the periodic table. for example, group 1A has 1 valence electron. 2A has 2, 3A has 3, and so on.
What component of Earth’s atmosphere exists entirely as a result of photosynthesis?
oxygen gas
water vapor
nitrogen gas
carbon dioxide gas
Answers
Answer: Oxygen
Explanation: Oxygen is primarily produced by photosynthesis.
Answer:
oxygen gas
Explanation:
during the process of photosynthesis in plants the final product is oxygen gas
What does the measurement 45 N represent in the photograph?
Answers
Answer:
The magnitude(size) of a force
Explanation:
Apex
The measurement of 45 N represents the magnitude of force in the photograph.
What is force?Force is defined as a cause which is capable of changing the motion of an object. It causes an object which has mass to change it's velocity. It is also simply a push or a pull . It has both magnitude as well as a direction.Hence, it is a vector quantity.
It has SI units of Newton and is represented by'F'.Newton's second law states that force which acts on an object is equal to momentum which changes with time. If mass of object is constant, acceleration is directly proportional to net force acting on an object.
The concepts which related to force are thrust and torque .Thrust increases the velocity of an object while torque produces change in rotational speed of an object.
Learn more about force,here:
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The components of blood can be separated by spinning them at high speed.
Figure I shows a tube of blood that has been separated in this way.
Figure 1
substance X
white blood cells and platelets
red blood cells
- Identify the substance labelled X.
Answers
Answer:
Plasma
Explanation:
We don't have the figure, but I think the answer is probably plasma.
Blood plasma is the fluid that blood cells are suspended in. When blood is spun at high speed, the cells separate away from the plasma into different layers because of their different weights and shapes.
Plasma is liquid portion of blood. It transports nutrients and wastes and maintains homeostasis.
What type of cell transport is shown in the figure below?
Answers
Answer:
facilitated diffusion
Which one is the correct equation for calculating density? *
Density - Mass / Volume
Density - Mass / Weight
Density - Volume / Mass
Density = Volume / Weight
Answers
the correct answer is the first one. density = mass / volume.
i hope this helped!
Answer:
The equation for density is density = mass ÷ volume.
Explanation:
How might this change affect the structure and function of the protein?
Answers
Answer:
Explanation:
Three-dimensional folding of a protein is due to interactions among the R groups of the amino acids. Cysteine has a sulfhydryl group, which may form a disulfide bridge with another part of the polypeptide chain. Valine has no sulfhydryl group and is nonpolar, which will affect how the polypeptide will fold.