Answer:
WoW
Explanation:
What part of the cell serves as the intracellular highway?
A: mitochondria
B: endoplasmic reticulum
C: chloroplast
Answer:
will you please help me with my question pleasee
Explanation:
i really need help
Answer:
B. Endoplasmic Reticulum
If the temperature of the ice-salt mixture decreases, why is the ice melting
Answer:
Salt lowers the freezing point of water via freezing point depression. ... When salted ice melts, the water can't refreeze as readily because the saline isn't pure water anymore and because the freezing point is colder. As more ice melts, more heat is absorbed, bringing the temperature down even lower.
Explanation:
Hope this helped, Have a Wonderful Day!!
state the peripheral nervous system. Write the answer from own words.
Answer:
The peripheral nervous system (PNS) consists of all the nervous tissue that lies outside of the central nervous system (CNS).
Explanation:
Answer:
The PNS consists of the nerves and ganglia outside the brain and spinal cord. The main function of the PNS is to connect the CNS to the limbs and organs, essentially serving as a relay between the brain and spinal cord and the rest of the body.
Explanation:
How many molecules of glucose is needed to undergo cell respiration?
Answer:
One molecule of glucose is needed to produce approximately 38 molecules of ATP in each round of aerobic respiration.
Explanation:
In respiration, organisms use food, or glucose made in photosynthesis to obtain energy. Photosynthesizing organisms use light to synthesize chemical energy.
Mitochondria in some organisms provide the most favorable environment for energy metabolism, glucose undergoes a form of combustion, this results in carbon dioxide and water production, together with energy as ATP or adenosine triphosphate.
C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≅38 ATPglucose+ oxygen → carbon dioxide+ water+ energy
Thus, only one molecule of glucose is needed to produce approximately 38 molecules of ATP.
Can anyone explain in detail the process of mitosis? (Including PMAT)
Answer:
Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells. During cell division, mitosis refers specifically to the separation of the duplicated genetic material carried in the nucleus.
Explanation:
Make sure to edit so your not copy-writed.
Students did an experiment comparing the activity of four different enzymes, A, B, C, and D. The results are represented in the graph below. A valid conclusion based on the information in the graph is that...
A) the pH of some enzymes changes as the temperature changes.
B) enzymes change color in proportion to the rate of activity.
C) a difference in the pH of an environment changes enzyme activity.
D) enzyme activity causes acids to change into bases over time.
Answer:
C
Explanation:
a difference in the pH of an environment changes enzymes activity
A valid conclusion from the graph is; a difference in the pH of an environment changes enzyme activity.
An enzyme is a biological catalyst that promotes biochemical reactions in the body. Enzymes are specific in their actions. Enzymes act on particular substrates. There is an optimum pH of enzyme activity. The pH of an environment affects enzyme activity.
According to the graph shown, the activity of the enzyme is plotted against the pH of the environment. we can see from the graph that a difference in the pH of an environment changes enzyme activity.
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17. (04.05 LC)
What is artificial selection? (3 points)
The practice of breeding organisms to make them more suited to their environment
The practice of breeding organisms to make them produce more offspring
The practice of breeding organisms with chemical fertilizers and pesticides
The practice of breeding organisms with the most desirable traits to the farmer
Answer:
The practice of breeding organisms with the most desirable traits to the farmer
Answer:
The practice of breeding organisms with the most desirable traits to the farmer
Explanation:
because duh
1. Clasifica las siguientes sustancias según se trate de nutrientes o productos resultado de la nutrición animal. Razona tu respuesta. residuos orgánicos - alimento - O2 - CO2 2.
Answer:
1. Nutrientes:
- alimento
- oxígeno (O2)
2. Productos de la nutrición animal:
- residuos orgánicos
- dióxido de carbono (CO2)
Explanation:
Los alimentos son sustancias químicas que los animales ingieren a fin de que el organismo transforme dichos compuestos en nutrientes los cuales son requieridos para la generación, el crecimiento y la reconstrucción de células y tejidos.
El oxígeno (O2) es un nutriente escencial para la vida el cual se absorbe mediante el proceso de respiración. Este proceso posibilita la absorción de otros nutrientes obtenidos a través de la alimentación.
Los residuos orgánicos representan productos de la nutrición animal los cuales se descomponen naturalmente para formar parte de la materia orgánica. En animales, los desechos órganicos son eliminados a través de los excrementos o en la orina.
El dióxido de Carbono (CO2) es un producto de la respiración. En animales, la respiración celular consume oxígeno y compuestos orgánicos con el objetivo de producir energía en forma de ATP. Como concecuencia del proceso de respiración, los animales liberan CO2 al medio ambiente.
The continuum below shows the development of the human embryo into an adult and the types of stem cells involved.
List the four types of stem cells, give an example of each type, and explain how much each type can differentiate.
The different types of stem cells are:
Totipotent Stem CellsPluripotent Stem CellsMultipotent Stem CellsUnipotent Stem CellsWhat are Stem cells?Stem cells are defined as the raw material of the body through cells from which all other cells with specialized functions are generated. Stem cells live in the bone marrow, the spongy center of some bones, where they divide to make new blood cells.
Once blood cells have matured, they leave the bone marrow and enter the bloodstream, while a small number of immature stem cells also enter the bloodstream.
Types of stem cells:
1. Totipotent Stem Cells can differentiate into any type of cell in human body or placenta. Example: fertilized egg
2. Pluripotent Stem Cells can differentiate into any type of cell in the human body. Example: Blastocyst cells
3. Multipotent Stem Cells can develop into more than one type of cell but they are more limited than pluripotent cells. Example: Blood stem cell
4. Unipotent Stem Cells can only differentiate into a single lineage. Example: Skin stem cells
Thus, the different types of stem cells are:
Totipotent Stem CellsPluripotent Stem CellsMultipotent Stem CellsUnipotent Stem CellsLearn more about Stem cells, here:
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Forces, Motion, & Speed (6.8B,C & D): Question 8
A ball rolls across a level floor. Which of the following information can
be used to determine the speed of the rolling ball?
Select one:
The roughness of the floor on which it rolls
The mass of the ball as it moves forward
The time it takes the ball to roll 4 meters
The circumference of the rolling ball
Answer:
It is The time it takes the ball to roll 4 meters
Explanation:
I had this on my test last week
Which is not a type of plant tissue
A) dermal
B) ground
C) connective
D) vascular
Answer:
C
Explanation:
Plants have only three tissue types: 1) Dermal; 2) Ground; and 3) Vascular. Dermal tissue covers the outer surface of herbaceous plants. Dermal tissue is composed of epidermal cells, closely packed cells that secrete a waxy cuticle that aids in the prevention of water loss.
Connective IS NOT a type of plant tissue (Option C).
Connective tissue is a type of tissue that supports the internal organs in the body of animals.
The dermal plant tissue is a protective layer known as the epidermis.
Xylem and phloem are plant vascular tissues that transport nutrients and waste products in the plant.
Ground plant tissue refers to all the other plant tissue that isn't dermal tissue or vascular tissue.
In conclusion, connective IS NOT a type of plant tissue (Option C).
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When does cell division occur once
How does structure of chloroplasts and mitochondria help them do their job
Answer:
Mitochondria are known as the powerhouses of the cell. They break down fuel molecules and capturing energy in cellular respiration. Chloroplasts are found in plants and algae. They're responsible for capturing light energy to make sugars in photosynthesis.
Where are the protons located?
O nucleus
O electron cloud
Answer: The nucleus.
Explanation: In an atom, there are two main parts, the nucleus and the electron cloud/electron shells. The protons and neutrons are located in the nucleus, and the electrons are located in the electron shells/cloud/whatever.
Anybody who answers will get Brainly answer. number 4 and 5
What role do lichens and
mosses play in succession?
A. They provide the seeds for large trees to
grow.
B. They provide food for carnivores to eat.
C. They help break down rocks and create
soil for new species.
D. They allow water to enter the ecosystem
Answer:
C is da answer
Explanation:
I hope this help you have a wonderful day!
is reproduction anabolic or catabolic
Answer:
Metabolism is a biochemical process that allows an organism to live, grow, reproduce, heal, and adapt to its environment. Anabolism and catabolism are two metabolic processes, or phases. Anabolism refers to the process which builds molecules the body needs; it usually requires energy for completion
Explanation:
Answer:
i think anabolic
Explanation:
True or false, the more lean muscle mass, the more responsive your body will be to insulin.
Answer:
True
Explanation:
A general misconception is that insulin is only involved in energy and fat metabolism. When energy needs are high, insulin transports sugar from the blood into the muscle where it can be converted into energy. When energy needs are low, insulin facilitates the conversion of excess sugar into fat where it can be stored for future use.
What is often overlooked is the powerful effect of insulin on stimulating muscle protein growth and repair. An essential action of insulin is to increase the transport into muscle of amino acids, the building blocks of protein, where they can be used for rebuilding and repair. Insulin’s anabolic effects do not end there. Insulin also plays an important role in turning on one of the metabolic switches that control protein synthesis.
This action explains why combinations of carbohydrate and protein are far more effective in stimulating protein synthesis than protein alone. Two switches are responsible for turning on protein synthesis. One is activated by protein, specifically amino acid levels in the blood, and the second by insulin. Consuming carbohydrate (which raises insulin levels) and protein in your recovery drink gives you a dual benefit. In fact, research has shown that a carbohydrate protein drink is 38% more effective than a protein drink in stimulating muscle protein synthesis post exercise.
Another important effect of insulin is inhibition of protein breakdown. At any given time, muscle protein is in a state of flux – it is being synthesized and broken down. When more protein is synthesized than broken down, you have a net gain in lean body mass. After exercise, protein degradation is higher, primarily because during extended endurance activity up to 20% of the working muscle’s energy is derived from protein. That’s why consuming protein in your sports drink offers significant advantages. It reduces the amount of muscle protein used for energy. Higher breakdown rates of protein after exercise increases muscle soreness and slows the overall recovery process. By inhibiting protein breakdown, insulin mediates a faster recovery.
The bottom line – by taking advantage of how and when insulin works and how nutrition can affect insulin activity, endurance athletes can optimize muscle recovery and achieve significant improvements in endurance performance.
Larger animals like humans and horses tend to have____
A: exoskeletons
B: endoskeletons
C: hydrostatic skeletons
WHICH ONE PLS HELP
Answer:
B: endoskeletons not A cause humans would be beetles then C isnt the answer because then we wouldnt be humans at all
Explanation:
B. Endoskeletons
Explanation:Animals that have endoskeletons are usually vertebrates, in other words they have a backbone. Humans, horses, giraffes etc,all have endoskeletons.
hope this help! ^^
What would most likely happen to a person who is not getting enough essential amino acids in his or her diet?
The body would synthesize the amino acids.
Muscle growth and repair would be limited.
Stored protein would break down.
The formation of proteins would increase.
Answer:
Muscle growth and repair would be limited
Explanation:
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Essential amino acids are the vital nutrients required by the body. The deficiency of the amino acids in the diet will limit the growth and repair of the muscles. Thus, option B is correct.
What are the essential amino acids?Essential amino acids are the amino acids that are not synthesized by the body and instead are taken from external sources in the diet. Some of the essential amino acids include histidine, lysine, valine, phenylalanine, etc.
The essential amino acids improve the musculoskeletal and the immune system along with stimulating the growth and production of hormones.
If the diet lacks the essential amino acids then the repair mechanism and the growth of the body will be limited as they are not synthesized by the body.
Therefore, the absence of essential amino acids limits muscular growth and repair.
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30. How many calories would it take to raise a persons body temperature 3 degrees if their
mass is 79545 grams? (show your work)
Answer:
2000000 heat calories.
Explanation:
Explanation:
The heat capacity of water is 1 calorie for 1 gram raised 1 degree C
or 4.186 joules of energy for 1 gram raised 1 degree C ( or
K
o
)
l Kg = 1000 grams so
100
K
g
×
1000
g
1
= 100000 grams of water.
It takes 10 000 calories to raise 10 000 grams of water 1 degree
so 20 degrees x 10 000 grams = 2 000 000 calories.
The same type calculations can be done for heat in joules
10, 000 grams x 4.186 joules x 20 degrees. = 8372000 joules.
Apply what you know about convection in the mantle to describe how a convection current forms in soup that is sitting over a flame.
Answer:it moves
Explanation:t movesd
Review the results of your table and summarize your observations about how the different substances cross membranes.
Answer: Oxygen: Passive transport
Carbon dioxide: Passive transport
Fructose: Passive transport
Glutamine: Endocytosis
Sodium ion: Active
Potassium ion: active
Protein molecule: active
Explanation:
Hope this helps :)
Which would be an activity conducted by a biologist? *
describe the behavior of brown bats
design a new, solar-powered car
teach people how to plant corn
identify the cause of an earthquake
After a substrate binds to an enzyme,
Answer: The induced fit model states an substrate binds to an active site and both change shape slightly, creating an ideal fit for catalysis. When an enzyme binds its substrate it forms an enzyme-substrate complex. ... The enzyme will always return to its original state at the completion of the reaction.
During ______ oxygen defuses into a cell trough the cell membranes.??
Answer:
diffusion.
Explanation:
i answered because i need points.
A student formulated a hypothesis that water soluble pollutants
Answer:
Can you restate the question, Iddont know what you are asking...
Analyze the diagram below:
According to the model represented in the diagram, which of the following would cause the cell to not express the lacZ, lacY, and lacA sequences?
Binding the RNA polymerase to the gene
Preventing the repressor from binding to the lac operon
Removing the inducer
Transcribing the lacl sequence
Answer:
Transcribing the lacl sequence
Explanation:
lacZ, lacY, and lacA sequences are the structural genes, which needs to be expressed in order to produce their proteinous enzymes required for the breaking down of lactose sugar. The transcription of these three genes must occur with the aid of RNA polymerase binding to them.
However, a gene sequence called lacI encodes information for an repressor, which when expressed can inhibit the expression of the genes lacZ, lacY, and lacA. Hence, the TRANSCRIPTION OF THE LACL SEQUENCE cause the cell to not express the lacZ, lacY, and lacA sequences.
Answer: removing the inducer
Explanation: all sequences need an inducer present in order for them to be expressed
1. What force, created when two surfaces rub together,
makes it difficult to drag a large object across the
ground?
A gravity
B friction
C lift
D drag
2. Which of the following do many scientists think
caused the extinction of the dinosaurs?
A an asteroid
B freezing temperatures
C wildfires
D all of the above
3. All lobster shells contain __________, compounds that
give lobsters their color.
A melanin
B DNA
C pigments
D dye
4. Nitrogen dioxide, a major air pollutant, is a gas
produced mainly by __________.
A cars
B cow farts
C factories
D wildfire smoke
5. The most common cause of concussions among high
school football players is __________.
A contact with another player
B hitting the ground
C crashing into equipment
D practicing too hard
6. __________ of the elements on the periodic table are
found in nature.
A 100%
B Around 75%
C About 50%
D Less than 50%
7. Emeralds form when elements in __________ are
heated and pressed together.
A rocks
B Earth’s crust
C Earth’s core
D lava
8. Lobsters usually have brown shells, but some can be
different colors due to __________.
A an adaptation
B a mutation
C an environmental factor
D a change in pH
9. During which time of year is air pollution the highest
in London?
A Summer
B Spring
C Winter
D Fall
10. Dinosaurs became extinct about __________ years
ago.
A 65 million
B 6.5 billion
C 65,000
D 6,500
Answer:b friction
Explanation:
what dose the term equine mean
Answer:
Equine is a horse or a member of the horse family ; relating to a horse
Answer:
Equine, equine is the whole breed it comes from I think the term of the sientific name Equus caballus just a modernized version
Explanation:
