2. Which structures must be present in a cell for osmosis to take place?
A. Cell (sap) vacuole and cell wall
B. Cell wall and cell membrane
C. Chloroplast and cytoplasm
D. Cytoplasm and cell membrane

Answers

Answer 1

D- Chloroplast and cell membrane

Answer 2
Cytoplasm and cell membrane

Related Questions

if you start with one double-stranded dna molecule and you perform six cycles of pcr, how many double-stranded copies of the dna will you have?

Answers

Answer:64

Explanation:

The DNA stands for deoxyribose nucleic acid. The DNA has all the genetic information stored in it that will transfer to the next generation. The DNA is made from the following:-

Deoxy sugarPhosphate groupNitrogenous base

The PCR stands for the polymerase chain reaction. This process its amplify the DNA content and multiply it. The PCR has three steps which are:-

Denaturation.AmplificationAnnealing

According to the question, the DNA amplifies its content by 6 times and the amount of DNA will be 64.

For more information, refer to the link:-

20. The specific molecule that an enzyme interacts with is called the ___
Fill in the blank please help!!!

Answers

answer:
substrate

explanation:
enzymes catalyse the reactions of substrate molecules

Select all the correct answers.
Which two body systems interact to expel the waste product carbon dioxide?

1) urinary system
2) nervous system
3) excretory system
4) circulatory system

Answers

Answer:

circulatory system is the answer

Circulatory system and Excretory system

How does the human immune system work

Answers

Answer:

The acquired immune system, with help from the innate system, produces cells (antibodies) to protect your body from a specific invader. These antibodies are developed by cells called B lymphocytes after the body has been exposed to the invader. The antibodies stay in your child's body.

the beginning of the menstrual function is known as

Answers

Ovulation
That's when the egg "splits" from the oviduct

what are the similarities of plant kingdom and animal kingdom

Answers

Growth and animals have eukaryotic cells. – Plants and animals have a body composed of many cells that have differentiated to form tissue.

Both are alive and at a certain stage, both will die. For reproduction, they have organs.
They have energy converting and utilizing systems. They’ve got RNA and DNA. To grow and supply the body, they have cells that need unique nutrients, pH levels, macromolecules and so on. They’ve got a way to protect themselves. They have complicated structures for transportation. In order to survive, they need and have enzymes.

I hope this helps!

which best describes seeds and their role in the alteration of generations life cycle?

Answers

There you go! I hope that helps.

what part of the cellular respiration pathway is affected by cyanide?

Answers

Eekekekeelewwwwxksms,skskskskksks,skskskskskekskdkdkkd

The ferric ions' cytochrome oxidase in the mitochondria makes a reversible chemical bond with cyanide. By preventing the conversion of oxygen to water, this essentially stops cellular respiration.

What is the role of cyanide in cellular respiration?

Heme-containing proteins include Fe3+, which cyanide binds to. As a result, the electron transport chain's terminal cytochrome complex IV is inhibited.

Cyanide's blockade of complex IV depletes ATP, which leads to cell death.

Because the molecules are so small and can disperse quickly throughout the entire body, cyanide can kill so quickly by damaging all major organs and tissues in a short period of time.

Therefore, electron transport system is affected by cyanide in cellular respiration.

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Four people are spaced at different distances from where a dog is barking. The barking will sound the loudest to the
person who is standing
4 m away
o 15 m away
0 1 m away
O 12 m away

Answers

Answer:

C

Explanation:

Four people are spaced at different distances from where a dog is barking. The barking will sound the loudest to the person who is standing near the dog that will experience loud barking voice of dog. Thus the correct option is C that is 1m.

What is sound frequency?

Frequency is referred to as pitch that is the number of times per second that a sound pressure wave repeats itself.

The units of frequency are known as hertz (Hz). Humans can hearing can hear sounds between 20 Hz and 20,000 Hz.

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Helpppp PLS FAST I will mark as brainlist!
How can air plants help us cobalt real life problems ?

Answers

cobalt is used in alloys for aircraft engine parts and in alloys with corrosion/water resistant uses. Cobalt is widely used in batteries and electroplating.

What is the most medial muscle of the leg?

Answers

Answer:

gracilis muscle

Explanation:

How do hydrogen ions get transferred from the Light Reaction to the Calvin Cycle?

Answers

Answer:

A photon of light hits chlorophyll, causing an electron to be energized.

The free electron travels through the electron transport chain, and the energy of the electron is used to pump hydrogen ions into the thylakoid space, transferring the energy into the electrochemical gradient.

how many calories are in an average trick-or-treaters halloween stash?

Answers

The number of calories on a Halloween stash depends on the type of candies and the number of units of each. If the stash contains 5 units of each of these candies: chocolate bars, taffies, lollypops, and candy corn the total number of calories is 1,650.

Calories are the most common unit used to define the energy a specific food gives to your body. For example, an apple has 52 calories, while a banana has 89 calories.

Considering this, in a Halloween stash the calories depend on two factors:

The types of candies or productsThe units of each one

Let's suppose there are 5 units of each of the following candies:

Chocolate barsTaffiesLollypopsCandy corn

Let's now calculate the calories

Chocolate bars = 220 calories x 5 units =  1,100 caloriesTaffies = 20 calories x 5 units = 100 caloriesLollypops = 83 calories x 5 units = 415 caloriesCandy corn = 7 calories x 5 = 35 calories

Add all the previous results:

1,100 + 100 + 415 + 35 = 1,650 calories in total

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which part of human heart carry oxygenated blood........​

Answers

Answer:

Left Atrium

Left Atrium Hope this helps :)

the green color of leaves is evidence that green light is:

Answers

Answer: not useful to plants. To explain, plants have red and green wavelengths, but the plants use the red wavelengths for other functions, while the green remains unused in the leaves.

Select all factors that would have no effect on increasing the rate of photosynthesis.
A
Increasing the darkness (Give plant more shade)
B
Increasing sunlight
C
Increase water
D
Increase oxygen
E
Increasing glucose
F
Increase carbon dioxide

Answers

the correct answer is F hope this helps!

Can someone please help me and not just answer for points

Answers

Answer:

it's the third answer because you separate the sequence every three letters

What happens to solid particles as they are heated?

Answers

Explanation:

When a solid is heated the particles gain energy and start to vibrate faster and faster. ... Further heating provides more energy until the particles start to break free of the structure. Although the particles are still loosely connected they are able to move around. At this point the solid is melting to form a liquid.

they vibrate when they are next to something they jump do it untill its really hot and it mealts

what is the only bird that can swim, but cannot fly?

Answers

Answer:

A pengiun is the only bird that can swim and not fly

Explanation:

what is a major difference between messenger rna molecules and transfer rna molecules?

Answers

Answer:

1) Messenger RNA molecules contain ribose, and transfer RNA molecules contain deoxyribose.

2) Messenger RNA molecules function in carrying coded information to the ribosomes, and transfer RNA molecules function in carrying amino acids to the ribosomes.

The major difference between messenger RNA molecules and transfer RNA molecules is that messenger RNA carries the genetic information, while tRNA carries the amino acids.

What is RNA?

RNA is ribonucleic acid. In the cell, different types of RNA are found, such as mRNA (messenger RNA), tRNA (transfer RNA), rRNA (ribosome RNA), SnRNA, miRNA, etc. mRNA, or messenger RNA, is formed from DNA. It carries the information of a cell. The three consecutive nucleotides of mRNA make up a codon. An example of a codon is AUG.

tRNA has a cloverleaf-like structure. It has different domains such as the TΨC loop, the DHU loop, the anticodon region, and at the 3' end it is attached to an amino acid. The anticodon of the tRNA reads the codon sequence of the mRNA and attaches the amino acids. For the AUG codon methionine is attached.

Hence, the main difference between the messenger RNA and transfer RNA molecules is that mRNA carries the message of the genetic material, while tRNA carries amino acids to express the genetic material on mRNA.

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3. Hail and Lightning are common in floods. True or false

Answers

true

brainiest?! please?

Answer:

I would have to say false. Because hail is cause by frozen rain, and at that point, it would be a blizzard.

I need this now,I'll give you 100 points for answer 10 questions.
#1. Negatively charge particles in an atom *
A. resistance
B. Ohm's Law
C. electrons
#2. the rate of current flow in a circuit (intensity) *
A. resistance
B. current
C. voltage
#3. a source of electricity that provides direct current to a circuit *
A. electrons
B. cell (battery)
C. switch
#4. The relationship between voltage, current and resistance. V=IR *
A. Amperes
B. Ohm's Law
C. Voltmeter
#5.The difference in electrical potential energy between two places in a circuit (the push) *
A. Voltage
B. Resistance
C. Current
#6. a device used to open and close a circuit *
A. cell (battery)
B. wire
C. switch
#7. a material's opposition to the flow of electric current (slows the flow) *
A. Current
B. Resistance
C. Voltage
#8 a form of energy caused by the movement of electrons *
A. electricity
B. circuit
C. mechanical
#9 something that uses energy (example: light bulb) *
A. load
B. power
C. wire
#10 to move freely *
A. resistance
B. current
C. flow

Answers

Answer:

1) B

2) C

3) C

4) C

5) C

6) A

7) A

8) A

9)  A

10) C

Explanation:

Hope this helps

How do you write an interpretation of data?

Answers

Answer:

There are four steps to data interpretation:

assemble the information you'll needdevelop findingsdevelop conclusionsdevelop recommendations

One good example of data interpretation is looking at pie charts or bar charts.

Through analyzing data, we bring order, manipulate, categorize and summarize raw data that was aggregated through data collection.

How might the commercial fishing industry be affected?

Answers

Scientists estimate that the fishing industry kills between 0.97 and 1.97 trillion wild fish worldwide every year, further straining fragile oceans and other waterways that are already poisoned by pollution from oil spills, agricultural runoff and immense amounts of garbage.

which part of the brain receives messages from the hair-like receptors

Answers

Cerebellum

I hope that helped :)

3. What muscle is diretly beneath the biceps?

Answers

Answer:

coracobrachialis muscle

Engineers often use designs that mimic shapes found in nature, such as flippers, wings, and beaks. Construct an argument that supports the use of structure-function relationships found in nature in engineering and design. Use the examples as evidence.

Answers

Answer:

1 Climbing pads capable of supporting human weight are a mimic of the biomechanics of gecko feet.

2 The aerodynamics of the famous Japanese Bullet train was inspired by the shape of a bird’s beak.

3 The first flying machine heavier than the air from the Wright brothers, in 1903, was inspired by flying pigeons.

4 Architecture is inspired by termite mounds to design passive cooling structures.

5 Velcro is born from the observation of the hooks implemented by some plants for the propagation of their seeds via animal’s coat.

6 The study of shark skin is at the origin of particularly effective swimming suits, as well as a varnish for planes fuselage

Am I correct ?

How is energy released from ATP?
ANSWER CHOICES IN THE PIC

Answers

Answer:

Explanation:

When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP). Likewise, energy is also released when a phosphate is removed from ADP to form adenosine monophosphate (AMP).

Explain what is happening below​

Answers

Explanation:

enzyme + substrate complex =

A substrate is a molecule that an enzyme reacts.

enzymes catalyze chem. reactions with substrates. Substrates transform into 1 or more products. released from " active site," substrate is then able 2 receive another substrate molecule.

Answer:

An enzyme is catalyzing a reaction.

Explanation:

Two substrates bind to the active site of the enzyme. The enzyme catalyzes the reaction (lowers the activation energy needed to complete the reaction), and the result is the final product: two substrates bound together, and an enzyme that can go on to catalyze more reactions.

Which process would change metamorphic rock to igneous rock?

Answers

Answer:

If the freshly created metamorphic rock is exposed to enough heat, it may melt and become molten (magma). Igneous rock is formed when molten rock cools. Sedimentary and igneous rocks can both create metamorphic rocks.

The process that would change metamorphic rock to igneous rock is to treat metamorphic rock at extremely high temperatures and pressure that effectively transform it into a molten state. And this molten magma cools and crystallizes completely giving rise to the production of igneous rock.

What is Metamorphic rock?

Metamorphic rock may be defined as a type of rock that is significantly obtained due to the series of alterations in the pre-existing rocks. These alterations emerge due to changes in environmental conditions.

According to the context of this question, igneous forms are synthesized when the molten metamorphic rock cools and crystallizes due to the result of volcanic eruptions and melted rock inside the earth's crust. This happens due to the generation of extremely high temperatures and pressure.

Therefore, the process of formation of igneous rock from metamorphic rock is well described above.

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