Which type of molecule forms the cell membrane?
O phospholipid
O nucleic acid
O protein
O carbohydrate

Answers

Answer 1

Answer:

A. phospholipid is a molecule that forms the cell membrane.


Related Questions

If the neuron in the figure above is an interneuron where does it send its message

Answers

Answer:   A) Dendrites

Explanation:

Cell body. Also known as a soma, the cell body is the neuron's core.Axon. An axon is a long, tail-like structure which joins the cell body at a specialized junction called the axon hillock.Dendrites. Dendrites are fibrous roots that branch out from the cell body.

what must occur before any cells can divide?

Answers

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»Answer

The DNA must copy itself. This is necessary so that each of the two cells produced will have the correct number of chromosomes.

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Someone please help me

Answers

Answer:

d

Explanation:

Atom Z has a full valence shell which makes it the most stable.

Given the DNA sequence 3'TACCGAGGCATT 5', what is the transcribed mRNA sequence?
5
3'
4
4




Please help !!!

Answers

Answer:

The correct answer is - 5' AUGGCUCCUAA 3' .

Explanation:

DNA has four nitrogenous bases that are Thymine (T), guanine (G), cytosine (C) and adenine (A) arranged in it make a code. During transcription, the DNA template is transcribed into messenger RNA which is complementary to the DNA code.

RNA and DNA both have four bases but in RNA there is uracil (U) present instead of thymine which is complementary to the adenosine and also the ends are reversed so it can translate properly. U is complementary to A, C is complementary to G, and vice versa.

So, for DNA sequence - 3'TACCGAGGCATT 5'

mRNA would be 5' AUGGCUCCUAA 3'.

Question: Say you ate a hamburger (beef) at a family picnic. How can we consider that meat came from solar
energy? Describe your answer in a few sentences.

Answers

Answer:

Plants get their energy from the sun.

Animals get their energy from plants, which comes from the sun.

Explanation:

Which of these may be required to become a
nurse? Select all that apply.
doctoral program
two-year college
four-year college
certification

Answers

Answer:

What is required to become a nurse is two-year college  or four-year college

and certification.

Explanation:

The nurses are in charge of the care of the patients and the administration of medicines, in addition to other activities that pursue the integral care of the sick person. To do this, nurses must receive training and demonstrate their ability to do the job.

Nursing training can be accomplished through various programs, including an associate's degree in nursing, a diploma, or a bachelor's degree, which can be completed in two, three, or four years, respectively.

After their studies, nurses must demonstrate their skills and knowledge in order to be certified —in addition to college— by institutions such as American Nurses Credentialing Center Certifications.

    Doctoral program is a higher degree that requires more years of study and is not initially required to become a nurse.

Will be marked brainliest
Say something helpful for a broken heart

Answers

Answer:

you're a nice person

Explanation:

your a wonderful person and you keep your words you dont let me down and your very intelligent ilu

1.Excess carbon dioxide is harmful to
the oceans because
A. they product carbonic acid form
the atmospheric carbon
B. it removes most of the dissolved
oxygen
C. it decreases the rate of evaporation

Answers

Increased levels of CO2 make the ocean more acidic and put sea organisms in danger. ... This could mean slower growth in the world's corals reefs, which are already stressed and dying from the warmer ocean temperatures associated with increased greenhouse gases in the atmosphere.

Increased levels of CO2 make the ocean more acidic and put sea organisms in danger. This could mean slower growth in the world's corals reefs, which are already stressed and dying from the warmer ocean temperatures associated with increased greenhouse gases in the atmosphere.

What are the causes and effects of ocean acidification?

Ocean acidification is mainly driven by carbon dioxide gas in the climate dissolving into the sea.

This directs to a lowering of the water's pH, making the sea more acidic. Many factors contribute to rising carbon dioxide levels.

Thus, correct option is "A" they product carbonic acid form the atmospheric carbon.

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PSYCHOLOGY


Describe two communication differences between the nervous system and endocrine system.

Answers

the endocrine system uses chemical signaling, while the nervous system uses electrical signaling.

That’s one :)

The nervous system uses an electrical messaging system requiring a short time and endocrine system uses a chemical system requiring a longer time.

What are functions of nervous and endocrine system?

Both the nervous system and the endocrine system work to coordinate the functions of the body. They secrete substances to carry their functions, which reach the effector organs.

The organs comprising the nervous system are brain, spinal cord and the remaining peripheral nerves. The endocrine system is comprised of glands.

The functions of endocrine system are carried by the hormones and the functions of nervous system are carried out by neurotransmitters. The hormones are secreted by the glands into the bloodstream. The neurotransmitters are secreted by the neurons into the connecting neuron.

Therefore, the mechanism of action of endocrine system takes longer to cause effect than the nervous system.

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describe the two types of external growth factors

Answers

Answer:

Chemical and physical signals

Explanation:

Growth factors - proteins that stimulate cell division

(Most mammal cells form a single layer in a petri dish and stop dividing when they touch other cells.)

You will notice that some lineages (e.g. the descendants of species 56) branched many times and are represented by many living species. Discuss the ecological conditions that you think might result in the rapid diversification of some lineages. Use the caminalcules as examples. Think about what environmental conditions drove these particular caminalcules to evolve (A real world example would be the diversification of the mammals at the beginning of the Cenozoic, right after the dinosaurs went extinct.)

Answers

Answer:

The environment selects the lineage which better fits their specializations in the available resources.

Explanation:

The possible motive that lineages demonstrated quickly diversification might happen because the environment contained the opportunities which the lineages took as an opportunity to evolve. The environment could have benefited some species rather than others which could lead to different specializations of different lineages. For example, after the downfall of the dominance of dinosaurs, mammals had a few new environments to evolve with new resources, this led to more lineage biodiversification.

The environment choose the lineage that better fits their specializations in the available resources.

information regarding the environment:

The possible purpose is that lineages represent quickly diversification that may be arise because the environment comprise the opportunities which the lineages took as an opportunity to evolve. The environment benefited some species instead of others which could resulted into different specializations of different lineages.

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which scientists are credited for the events described in the develolment of the cell theory?​

Answers

Answer:

The scientists credited with formulating the postulates of the cell theory are Matthias Schleiden, Theodor Schwann and Rudolf Virchow.

Explanation:

Cell Theory contributed to the understanding of how living organisms are made up of cells, as well as the role that cells play in life related functions.

The experiences of Schleiden, Schwann and Virchow laid the foundations of cell biology, whose main conclusions are summarized in the three postulates of Cell theory:

The cell is the basic structural and functional unit of life. All living beings are made up of one or more cells. All cells originate from other cells.

Matthias Schleiden, when observing plant tissue under a microscope, was able to prove that this tissue was made up of cells, and that all plants possessed them. In 1837 he would postulate that the cell is the fundamental unit of life and that all plants were made up of cells.

A similar experience to that of Schleiden, but with animal tissue, was carried out in 1838 by the German physiologist Theodor Schwann, where he could conclude that in animal tissue there were also cells. This gave way to the second postulate that all living organisms are made up of cells.

In 1863, while studying cancer, the anatomist Rudolf Virchow observed how cells were able to reproduce themselves and give rise to new cells. The third postulate of the theory is due to this scientist, who was able to conclude that every living cell originates from another cell.

According to Arroyo, how can we better prepare and adapt to violent storms and floods?

Answers

Answer: She suggests doing three main things to prepare: adapting to violent storms and floods, preparing for heat and drought, and adapting to the rising seas by rebuilding and restructuring

Explanation:

Why do humans settle near waterways? Select three options

Answers

Answer:

The water is needed for drinking and farming.

The warm climate near water makes life comfortable.

The rich soil near waterways makes for better crops.

The waterways make trade and transportation easier.

The fish in waterways attract other animals to be hunted.

The Bold ones are the answers.

Hope I Helped

Answer:

Humans may settle near waterways for fresh water, water for their crops, and for fish.

What is the order of the moths described by Snellen in 1899.

Answers

Answer:

Kingdom:AnimaliaPhylum:ArthropodaClass:InsectaOrder:LepidopteraSuperfamily:NoctuoideaFamily:ErebidaeSubfamily:ArctiinaeGenus:NyctemeraSpecies:

N. kinibalina

Rainwater is naturally acidic.
O True
False

Answers

Answer is true it is
"Normal" rainfall is slightly acidic because of the presence of dissolved carbonic acid. Carbonic acid is the same as that found in soda pop. The pH of "normal" rain has traditionally been given a value of 5.6. ... The non-metal oxide gases react with water to produce acids (ammonia produces a base).

The answer is true

How are archaea and bacteria alike

Answers

Answer:

Archaea and bacteria are both prokaryotes, meaning they do not have a nucleus and lack membrane-bound organelles. ... Both archaea and bacteria have flagella, thread-like structures that allow organisms to move by propelling them through their environment.

Explanation:

What do I already know about chemical and physical properties and changes? Identifying Pure Substances Which of the following is a pure substance? Select all that apply.
A. air
B. distilled water
C. iron sulfide
D. oxygen gas
E. seawater
F. sodium chloride​

Answers

Answer: db a

Explanation:

Which of the following is a scalar quantity?
⇒velocity
⇒speed
⇒force

Answers

Answer: A. Speed

Explanation: Hope it Helps!

Speed is the scalar quantity

A large organism is made up of many millions of _____.

Answers

Answer:

Cells

Explanation:

Cells

Explanation: Organisms are made up of cells

Which gender do you think is more affected by inheriting a mutated gene that causes red green colorblindness?

Answers

Answer:

The genes that can give you red-green color blindness are passed down on the X chromosome. Since it's passed down on the X chromosome, red-green color blindness is more common in men. This is because: Males have only 1 X chromosome, from their mother.

Explanation:

Hope this helps u

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Answer:

Males

Explanation:

Males would be more affected, because they inherit only one X chromosome. Women would have to inherit two recessive genes to develop the trait, while men would have to inherit only one.

A cell produced a large protein that needs to exit the cell. It will mostly likely be transported out of the cell via the process of

Answers

Answer:

I believe it is either passive or active transport.

Explanation:

A cell produced a large protein that needs to exit the cell. It will most likely be transported out of the cell via the process of exocytosis and active transport.

What is active transport?

Active Transport is described as a process that involves the movement of molecules against a gradient or an obstruction from a location of lower concentration to a region of greater concentration.

The absorption of glucose in the human intestine and the absorption of minerals or ions into the root hair cells of plants are two instances of active transport.

Endoplasmic reticulum/Golgi-dependent secretory pathways are used by mammalian cells to export the vast majority of extracellular proteins. This process is called exocytosis, which takes place by active transport.

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Which best describes technology?
A. Government regulation of science
B. The society of humans on Earth
C. The creative use of science to solve problems
D. The process of research

Answers

Answer: C

Explanation: the application of scientific knowledge for practical purposes, especially in industry

The diagram shows a ball resting at the top of a hill.
Which statement best describes the energy in this
system?
х
O The potential energy in the system is greatest at X.
The kinetic energy in the system is greatest at X
O Total energy in the system decreases as the ball
moves from X to Y
O Total energy in the system increases as the ball
moves from X to Y

Answers

Answer:

O Total energy in the system decreases as the ball

Explanation:

The statement which best describes the energy in this system is: A. The potential energy in the system is greatest at X.

What is potential energy?

Potential energy can be defined as a form of energy that is possessed by an object due to its height (position or location) above a surface or planet Earth.

How to calculate potential energy.

Mathematically, potential energy is given by this formula:

[tex]P.E = mgh[/tex]

Where:

m is the mass.h is the height.g is acceleration due to gravity.

Since the height is maximum at point X, the potential energy in the system is greatest at X.

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What is the primary specie of leaf insects?

Answers

Answer: The family Phylliidae

often misspelled Phyllidae contains the extant true leaf insects or walking leaves, which include some of the most remarkably camouflaged leaf mimics (mimesis) in the entire animal kingdom. They occur from South Asia through Southeast Asia to Australia

Which major type of air mass typically brings cool, dry weather? maritime polar continental polar maritime tropical continental tropical

Answers

Answer:

b on eng 2020-2021

Explanation:

Air mass is defined as the volume of air that is determined by the temperature and water vapor content. The air mass is divided into four categories, which are maritime polar, continental polar, maritime tropical, and continental tropical.

The correct answer is:

Option B. continental polar

Continental polar air masses are generally cold and dry because they arise from the continental region. The air mass is stable and originates over Canada and Alaska. The continental polar are marked by the surface high pressure, cold temperatures, and low dew points.

The maritime tropical air mass is warm, moist, and unstable, whereas the continental tropical air mass is originated from the low-altitude desert and is characterized by negligible rainfall.

Therefore, option B is correct.

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Fill in the blank.


The fluid_______which houses the proteins and limits what goes in and out of the cell.

Answers

Answer:plasma membrane

Explanation:its fluid is of lipid bilayer protein components embedded in it.

Which biomolecule(s) do athletes need to consume before a big game, to have energy to perform.?

Answers

Answer:

glucose

Explanation:

So that, its oxidation would produce more ATP as energy for the game

8) Bacteria can get past the skin through

Answers

Answer:

wounds, open sores or any openings

Explanation:

Answer:

Pores

Explanation:

Pores are small holes on the skin

Which abbreviations indicate a prescription is for the eyes? Check all that apply.
au
ou
ad
od
os
otic

Answers

Answer:

od is for the right eye and os is for the left

Answer:

od od ou

Explanation:

edge told me

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In AHIJ, j = 98 cm, h = 38 cm and ZI=23. Find the length of i, to the nearestcentimeter What occurred during the Middle Kingdom Power is measured in which unit?joulesO wattsO meters per secondO newtons per meter The highs and lows of voice tone are called Which statement about a market economy is correct?A)A market economy is mostly concerned about the good of society as a whole.B)Income is redistributed to those who need it the most.C)It offers people the freedom to pursue the work and purchases they desire.D)Success is guaranteed for anyone who is willing to work hard. Simplify the expression.27^1/3 Bottom one only giving 80 points to first person that answers[correct answers-only] what is -3(2u-3w-4) please answerr write 21/4 as a mixed number All of the following changes would be likely to decrease the rate of transpiration at 8 A.M. EXCEPT: A-causing the stomata to close B- Increasing the humidity of the atmosphere C-Increase the water potential of the atmosphereD-increasing the water potential of the soilE-Placing the plant in total darkness True Or False :) 1. Heritage is all things inherited by sons from ancestors. T or F 2.Qatari folklore art is part of the folklore heritage and is inspired by the Qatari. T or F 3.Preserving ancestral heritage and traditions helps to maintain the Qatari identity. T or F Figurative language is language that: A. Uses words or expressions with a meaning that is different from the literal meaning B. Enhances writing by making it more lively and interesting. C. Adds interest and deeper meaning to a text. D. All of the above. over 30 points im lazy DNA and RNA are composed ofO amino acidsO enzymesO fatty acidsO nucleotides Can ya all help me with this...please Which of the following is equivalent to 2-47 A stock is selling at $90. A 3-month call with a strike price of $100 is selling for $3.105 with a delta of 0.329. How many call contracts are required to perform a hedge on 1,000 shares of this stock? Would they be bought or sold? What happens if the price of the stock falls to $50? The table shows the number of condo sales per month for a new condo building. Select all the equations that could represent the number of sales. A seat on a Ferris wheel is level with the center of the wheel. The diameter of the wheel is 200 feet. Suppose thewheel rotates 60, causing the height of the seat to decrease. How much closer to the ground is the seat after therotation?O 50 feetO 50 feetO 100 feetO 100v3 feetMark this and returnSave and ExitNextSubmit In the year 2004, a survey was undertaken to find whether citizens of a certain political party supported their party's candidate for governor. In a sample of 300 citizens of this party, 95% of them expressed support for their party's candidate. A similar survey was conducted four years later and showed that 91% of a sample of 350 citizens of this party expressed support for their party's candidate. Construct a 95% confidence interval for the difference in population proportions of citizens of this party who supported their gubernatorial candidate in 2004 and citizens of this party who supported their gubernatorial candidate four years later. Assume that random samples are obtained and the samples are independent. (Round your answers to three decimal places.) z0.10z0.05z0.025z0.01z0.005 1.2821.6451.9602.3262.576