The cell membrane is described as being fluid because:
A. the phosphate groups move between fatty acids.
B. the membrane lets materials pass through it.
C. the fatty acid chains are inside it.
D. the phospholipids move from side to side.

Answers

Answer 1

Answer:

B. the membrane lets materials pass through it.

Since the cell membrane is semi permeable in nature.

Answer 2

the membrane lets materials pass through it.


Related Questions

Which brain structure is most responsible for interacting with and controlling the endocrine system?.

Answers

Explanation:

The hypothalamus abstains or releases the hormones necessary for endocrine system...

What is the number one thing a hurricane needs to form.

Answers

Answer:

Warm Ocean Water/Jus Water And Moist Humid Air

Explanation:

Which best describes Darwin's studies that led to the theory of evolution?
extensive research of an individual organism within a short period
O extensive research of an individual organism over many years
O observations and data collected within a short period
O observations and data collected over many years
What’s the answer to this biology question?

Answers

Answer:

The answer is D observations and data collected over many years

Explanation:

um i don't have one

Answer: D

Explanation:) edge 2022

Questlon 23 of 25
What is work?
O A. The product of a force moving something over a distance
B. The total amount of time it takes to move something
O C. The amount of force applied over time
D. The amount of power used

Answers

i believe it’s c but again im not sure!

Which characteristic describes the whale but not its food source, the phytoplankton?

Answers

Answer:

The characteristics which are found in whale but not in the food source phytoplankton is the ability to produce its own food by the process of photosynthesis  

Explanation:

phytoplankton are those organisms which live on the surface of the top of the sea. Being green in nature contains chlorophyll. As a result of this day can manufacture their own food by the process of photosynthesis.

They fall under Kingdom plantae whereas wheels fall under the kingdom of animalia. Their nutrition is different from each other.

Answer:a

Explanation:

What would be the best title for the image shown?


Creating Daughter Cells ,


Cell Differentiation ,


Cell Division ,


Stages of Mitosis

Answers

Answer:

i dont know i just want points

Explanation:

What biomolecule do plants make during photosynthesis?

Answers

they make carbohydrates

Help I'LL give brainly Est

Answers

Answer:

The second answer

Explanation:

Attachment, penetration, replication, assembly, release

Answer:

B

Explanation:

The life cycle of a virus. The virus life cycle could be divided into even six steps: attachment, penetration, uncoating, gene expression, replication, assembly, and release.

Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!

How does inflammation contribute to the development of atherosclerosis?.

Answers

Answer:

Inflammation is associated with severity of disease, and complex lesions, which are prone to rupture and cause acute events, are characterized by extensive inflammation. Thus, inflammation is an active driver of atherosclerotic plaque development and a risk factor for atherosclerotic events.

Explanation:

hope this helps

have an awesome day -TJ

Inflammation is crucial in all stages of atherosclerosis. Stable plaques have a chronic inflammatory infiltrate, whereas vulnerable and ruptured plaques have a "active" inflammation that causes thinning of the fibrous cap, predisposing the plaque to rupture.

What is atherosclerosis?

Atherosclerosis is a thickening or hardening of the arteries caused by plaque buildup in the artery's inner lining.

High cholesterol and triglyceride levels, high blood pressure, smoking, diabetes, obesity, physical activity, and consumption of saturated fats are all risk factors.

Atherosclerosis is a chronic inflammatory process in which both the innate and adaptive immune systems1 play important roles in its onset and progression.

The expression of the potent procoagulant tissue factor is increased by cross-talk between T lymphocytes and macrophages.

When the plaque ruptures, as shown here, the tissue factor induced by inflammatory signaling causes the thrombus that causes the majority of acute atherosclerosis complications.

Thus, this way the inflammation contribute to the development of atherosclerosis.

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By block sodium channels, a compound found in pufferfish, called ______, prevents action potentials from occurring.

Answers

Answer:

Tedrodotoxin

Explanation:

I'm not the best at these, nor can provide much insight, but this toxin is very effective at its job

A specific need or desire that arouses an organism and directs its behavior toward a goal is known as a(n) ______________.

Answers

A specific need or desire that arouses an organism and directs its behavior toward a goal is Motive.

What is motive?

Motive is inner witness or desire that comes from within, It makes an individual act towards a goal or objectives.

Motive is what a makes person to act or react towards specific work or task that can produce results.

Therefore, specific need or desire that arouses an organism and directs its behavior toward a goal is Motive.

Learn more on motive here,

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what function do euglena and paramecium have in common?
A. Reproduction
B. Digestion
C. Movement
D. Gathering Food

Answers

Answer:

D: gathering food

Explanation:

What does NOT occur during the mitosis stage of the cell cycle?

Answers

Separation of the sister chromatids

How are nucleus and chloroplasts different?

Answers

Answer:

Chloroplasts are organelles that conduct photosynthesis, where the photosynthetic pigment chlorophyll captures the energy from sunlight, converts it, and stores it in the energy-storage molecules ATP and NADPH while freeing oxygen from water in plant and algal cells. They then use the ATP and NADPH to make organic molecules from carbon dioxide in a process known as the Calvin cycle.

Explanation:

Ecological succession is...
A. a series of changes that occur in an
ecosystem over time.
B. the evolution of an organism over
time.
C. the movement of new species into
an established ecosystem.

Answers

Answer: progressive changes in the species that make up a community over time.

Explanation:

Answer:Its A. a Series of changes that occur in a ecosystem over time.

Explanation: Ecological succession is the process of change in the species structure of an ecological community over time.

Hope this helps ^^

Which are the best solutions for reducing the mine production of copper and conserving copper ore? Select the two correct answers. (1 point)
Recycle electronic waste.
Make electrical appliances without wires.
Use glass as a substitute.
Use aluminum as a substitute.
Stop buying electrical appliances.

Answers

Answer:use aluminum as a substitute and recycle electronic waste

Explanation:

Recycling electric waste and using aluminum as a substitute are the two best solutions. Aluminium is a material that can be used to replace copper and thus reduce copper mine production.

What is Aluminium?Aluminium is a chemical element with the atomic number 13 and the symbol Al. Aluminium has a lower density than other common metals, about one-third that of steel. When exposed to air, it forms a protective layer of oxide on the surface due to its high affinity for oxygen. Aluminium is a silvery-white metal that is lightweight. It is pliable and malleable. Uses. Aluminium is used in a wide range of products such as cans, foils, kitchen utensils, window frames, beer kegs, and aircraft parts. This is due to its unique properties. Aluminium is made by melting alumina, which is refined from bauxite ore.

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list any 3 limitation and any 3 advantage of Chemical reaction ​

Answers

Limitation-
- it does not tell us the actual concentration or dilution of the reactants used in the reaction
- it does not tell whether the reaction starts on its own or some heat is required to start the reaction
- it does not tell whether the reaction is violent in nature or not

Advantages-
- chemical reactions are how new forms of matter are made
- chemical reactions help us understand the properties of matter
- by observing chemical reactions, we are able to understand and explain how the natural world works

IGCSE biology
name the part of the blood in which most carbon dioxide is transported

Answers

Answer:

the name of part of blood in which most carbondioxide is transported are:

1) dissolved in solution

2) buffered with water as carbonic acid

3) bound to protiens, particularly haemoglobin

Which organelle is covered by a double layer of plasma membranes?
A. Nucleus
B. Lysosome
C. Ribosome
D. Mitochondrion

Answers

Answer:

A or B not sure

Explanation:

Answer:

D. Mitochondrion

Explanation:

Mitochondria are surrounded by a double-membrane system, consisting of inner and outer mitochondrial membranes separated by an intermembrane space. The inner membrane forms numerous folds (cristae), which extend into the interior (or matrix) of the organelle.

hope it helps you

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Yesterday a car rental agency rented a number of different vehicles.
sedans
1
minivans
1
convertibles
4
3
sport utility vehicles
pickup trucks
1
Considering this data, how many of the first 15 vehicles rented today should
you expect to be convertibles?
convertibles 4 Sport utility vehicles 3 Pickup trucks 1

Answers

Answer:

6

Explanation:

First, write the experimental probability as a fraction in simplest form.

P(convertible)

=

convertibles

total

=

4

1+1+4+3+1

=

4

10

=

2

5

The experimental probability is

2

5

.

We can predict the outcome of the second set of trials by assuming that the ratio will be the same as in the first set of trials. Write a proportion by setting the two ratios equal to each other, then solve.

2

5

=

n

15

2

5

(515)

=

n

15

(515) Multiply both sides by (515)

215

= 5n Simplify

30

= 5n Simplify

6

= n Divide both sides by 5

If a nerve cell stopped functioning, the cell would
F start producing oxygen.
G begin dividing into more cells.
H become a different type of cell.
J stop sending signals to the brain.

Answers

Answer:

J stop sending signals to the brain

Explanation:

If a nerve cell stopped functioning, the cell would stop sending signals to the brain. The correct option is J.

What are nerve cells?

Nerve cells, also referred to as neurons, are 'excitatory' cells that can convert a variety of stimulation into electrical signals.

It usually aids in consistent sending information about the external as well as internal environment to the central nervous system in the form of action scenes of action potentials.

Neurons are the basic units of the nervous system, including the cells that receive sensory input from the outside world, send motor commands to our muscles, and transform and relay electrical signals at every phase between each one.

Thus, the correct option is J as any damage in the nerve cell can lead to impaired signaling to the brain.

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Where does the energy to run myosin motors come from?.

Answers

Answer:

Myosin heads link to actin and pull the actin inwards, which causes muscle shortening. This action necessitates the use of energy, which is supplied by ATP. At a binding location on the globular actin protein, myosin binds to actin.

Explanation:

Written-Response Question #1


Guppies are small fish that live in South American rivers. They can have different-sized spots on their bodies. The river bottoms are covered in rocks. Guppies with spots that are the same size as the rocks on the bottom are harder for bigger fish to see and catch. The diagram above shows a population of guppies that lived in a river. Scientists had previously only seen guppies with medium or large spots in this river; they had never seen any guppies with any other spot sizes. The diagram below shows how the population changed after many generations.


• Karina says the change in the guppy population was caused by a mutation.


• Miles says the change was caused by a change in the environment.


• Zora thinks both Karina and Miles are correct.


Who do you think is right? Explain what happened to the guppies over many generations

Answers

The statement 'Karina says the change in the guppy population was caused by a mutation' is correct. Mutations change the frequency of phenotypic traits in a population across generations.

What is evolution?

The word 'evolution' refers to descendence with modification which especially happens due to the process of natural selection.

The mutations in the genetic material serve as raw material for natural selection and consequently for evolution.

In this case, Karina must be right because the change in the frequency of the phenotype can be caused by the emergence of beneficial mutations in individuals that live in a given environment.

These types of mutations (beneficial mutations) can fix and increase their frequency across generations.

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Why is the having of chromosomes essential for sexual reproduction?

Answers

Answer:

Because meiosis creates cells that are destined to become gametes

Explanation:

Cloud droplets and cloud ice crystals are too small to fall as precipitation.

Answers

Precipitation happens when the individual crystals are all too small to fall to the ground

characteristics of pinworm​

Answers

Explanation:

Male pinworms are 2 to 5 mm (about 0.08 to 0.2 inch) long; females range in length from 8 to 13 mm. The long tails of the worms give them a pinlike appearance. Pinworms usually occur in the large intestine but sometimes are found in the small intestine, the stomach, or farther up the gastrointestinal tract .

What is the main cause of anxiety

Answers

Answer:

It could be multiple things from stress to impatience or if your worrying about something and your anxious about it.

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How would keeping your slide on the microscope stage with the light on confound your results?.

Answers

Keeping your slide on the microscope stage with the light on will ensure proper view of the specimen.

What is Microscopy?

Microscopy is the technical field of using microscopes to view objects and areas of objects that cannot be seen normally.

The presence of light passes through the transparent slide for proper viewing of the specimen in order to obtain accurate results.

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What is the
measurement for a
distance traveled
in a certain
a
amount of time?

Answers

Answer:

The measurement for a distance traveled in a certain amount of time is

SPEED

(science)
5-10point!
i'll give 5 star,1 thank who do all of this question THANK YOU!!!

Answers

Answer:

They would land differently, and still at a different time. Gravity affects objects in different ways based on their shape, size, and mass.

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