A phospholipid molecule, which is the major constituent of membranes, is said to be amphipathic because it contains polar and non-polar groups in the same molecule. On a scrap sheet of paper, draw the diagram normally used to illustrate an amphipathic phospholipid and name the functional group that makes up each part of the molecule. Compare your drawing
Answers
An amphipathic phospholipid is typically drawn with a hydrophilic (polar) head and hydrophobic (non-polar) tails.
The hydrophilic head group contains a phosphate group and a glycerol molecule, while the hydrophobic tails consist of two fatty acid chains. The functional group of the head is the phosphate group, which is polar and charged, while the functional groups of the tails are the fatty acid chains, which are non-polar and typically contain long hydrocarbon chains.
The amphipathic nature of phospholipids allows them to form the bilayer structure of cell membranes, with the hydrophilic heads facing outward towards the aqueous environment and the hydrophobic tails facing inward towards each other.
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Related Questions
all you need is in the photo
Answers
Answer:
B
Explanation:
just took this. okokok
Answer:
B. More energy is Produced at each level
Explanation:
I hope this helps
What is the chemical signal that diffuses across the synapse from a sending neuron to a receiving neuron called?
Answers
Answer:
A neurotransmitter
Common types of NT:
AcetylcholineDopamineGamma-aminobutyric acid (GABA)GlutamateHistamine NorepinephrineSerotoninSam knows that it takes 10 minutes to get to a friends house on her bicycle. She
knows she can bike about 10 miles per hour. She uses this information to estimate
how far her friends house is from her house. Hint: She may have used all of the advantages of mathematical modeling below, but one in particular allowed her to
determine the data she did not have from the data she did have.
A: She was using precise language to define her data.
B: By knowing the relationship between speed, distance and time, she was able to
manipulate variables to get and answer.
C: She was using information which had been discovered along time ago.
D: She was able to use a computer to calculate the distance.
Answers
One in particular allowed her to
determine the data she did not have from the data she did have is By knowing the relationship between speed, distance and time, she was able to. The correct option to this question is B.
RelationIn Relationships Between Distance and Velocity, we will learn about the formula for distance. Let's also look at the velocity formula. The problems in this section are based on concepts and definitions of terms that measure distance, speed, and time. Here we look at many examples in this section to introduce important concepts such as distance formulas, velocity formulas, etc. It also solves problems based on distance formulas and other related formulas. Velocity is the rate of change of distance over time. If 'D' is the object's distance at time 'T', then the velocity is equal to s = D/T. Same unit as speed. Let's solve some examples.For more information on speed kindly visit to
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if your stomach is empty and you want a snack, which would be more filling, a serving size of cheerios or pecans? why?
Answers
Answer: cheerios
Explanation: because cheerios are better than pecans
Which do you think is a more- basic characteristic for classifying organisms?
(a) the place where they live.
(b) the kind of cells they are made of. Why?
Answers
Answer:
Classification based on living place is more basic as there can be wide variations in organisms living in a given place.
Answer:
Classification based on living place is more basic as there can be wide variations in organisms living in a given place.
Which phase of mitosis is represented in the diagram?
prophase
telophase
anaphase
metaphase
Answers
this phase of mitosis is referred to as Metaphase
The spindle apparatus (represented by the lines) has completely formed, each spindle fibre is attached to the centromere of the chromosome. The chromosomes are lined up at the centre (equator) of the cell. This is for preparation of separation- prior to the next stages in which it becomes pulled apart.
spindle apparatus- all lines
spindle fibre- an individual line
centromere- the middle of the chromosome
chromsome- repesented as an X in the diagram
Viruses cannot live on their own, and instead need to infect a/n _______ to replicate.
Answers
Answer:
Host Cell
Explanation:
Viruses cannot live on their own, and instead need to infect a/n Host Cell to replicate. The two primary life cycles of viruses are the lytic cycle, also known as the virulent cycle, and the Lysogenic cycle, also known as the temperate cycle.
Answer:
host cell
Explanation:
How does carbon atom work on plants
Answers
Answer: Carbon moves from the atmosphere to plants. In the atmosphere, carbon is attached to oxygen in a gas called carbon dioxide (CO2). Through the process of photosynthesis, carbon dioxide is pulled from the air to produce food made from carbon for plant growth.This energy makes carbon molecules an excellent source of fuel for all living things. During photosynthesis, plants absorb carbon dioxide and sunlight to create fuel glucose and other sugars for building plant structures. This process forms the foundation of the fast (biological) carbon cycle.
Explanation: (credits to the internet) Hope this helped! <3
Human hair color can have many different shades because the alleles
that control hair color are located on more than one chromosome. This kind
of inheritance pattern is called
Answers
which one of the following is not directly involved in the production of a typical spinal reflex?
Answers
The heart is not directly involved in the production of a typical spinal reflex. Spinal reflexes are rapid, involuntary responses to specific stimuli that are controlled by the spinal cord without involvement from higher brain centers.
These reflexes are mediated by neural circuits within the spinal cord itself.The key components involved in the production of a typical spinal reflex are:Sensory Receptor: Detects the stimulus and initiates the reflex arc by sending sensory signals to the spinal cord.Sensory Neuron: Transmits the sensory signals from the sensory receptor to the spinal cord.Interneuron: Located within the spinal cord, the interneuron receives the sensory input and relays it to the motor neuron.Motor Neuron: Carries the motor output signal from the spinal cord to the effector organ or muscle.Effector Organ or Muscle: Carries out the response by contracting or relaxing in response to the motor output signal.The heart, although innervated by the autonomic nervous system, is not
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The cerebrum is not directly involved in the production of a typical spinal reflex. Spinal reflexes are rapid and automatic responses to stimuli that do not require conscious thought or decision-making processes.
They are controlled by the spinal cord and involve only a few neurons, usually a sensory neuron and a motor neuron. The cerebrum, on the other hand, is responsible for conscious thought, decision making, and voluntary movement. While the cerebrum can modulate or inhibit spinal reflexes, it is not directly involved in their production. Other structures that are directly involved in the production of spinal reflexes include sensory receptors, afferent neurons, interneurons, and efferent neurons.
The typical spinal reflex involves sensory receptors, sensory neurons, interneurons, motor neurons, and effector organs. Among these components, interneurons are not directly involved in the production of a typical spinal reflex. They play a supporting role in the reflex arc by facilitating communication between sensory and motor neurons, but they do not directly produce the reflex response. Instead, the response is generated by the sensory neurons transmitting signals to the motor neurons, which then activate the effector organs, such as muscles, to carry out the reflex action.
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does Mars has Oxygen? Can we breath on Mars?
Answers
Answer:
There is Oxygen in Mars comprising the 0.13% of it's atmosphere. With that, it is still impossible for humans to breathe on the said planet without suits with oxygen supply.
Answer:
yes
Explanation:
Mars atmosphere is dominated by carbon dioxide (CO2) at a concentrated of 96%. Oxygen is only 0.13%.
Organize the parts of this body system in the CORRECT order (starting with is organism level) according to levels of organization in a multicellular organism
Answers
Answer:
neurons - nerve tissue - brain - central nervous system - human being.
Explanation:
Reason: The Levels of Organization is organizing how everything in a human body is put together. Example: Neuron (or cell), tissues (that are made from cells that come together), heart (is created when groups of tissues come together), circulatory system (is made when other groups of organs come together to form a system that work with each other to maintain life), and then the is carries on with other systems that together form the human body
The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.
What do you mean by levels of organization?Biological organization is the hierarchy of complex biological structures and systems that define life using a reductionistic approach. The traditional hierarchy, as detailed below, extends from atoms to biospheres.
The scientific study of the different levels of organization of living beings, helps us gain an insight into the complexities of their structure and functioning. Every organism on Earth, from the smallest to the largest one, follows this establishment.
Using the circulatory system as an example, a cell in this system is a red blood cell, the heart's cardiac muscle is a tissue, an organ is the heart itself, and the organ system is the circulatory system. An organism is made up of four levels of organization: cells, tissues, organs, and organ systems.
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Which of the following can be considered a function of the paranasal sinuses?
A) The paranasal sinuses are passageways for nerves to pass through.
B) Sinuses take away a minimal amount of strength from bones while reducing the weight of bones.
C) Sinuses have rough patches that aid in muscle attachment.
D) Sinuses are often referred to as vestigial, anatomical features with no know function
Answers
The function of the paranasal sinuses can be summarized as B) Sinuses take away a minimal amount of strength from bones while reducing the weight of bones.
The paranasal sinuses are air-filled cavities located within the skull and surrounding the nasal cavity. Their main function is to reduce the weight of the skull bones without compromising their strength. By being filled with air, the sinuses decrease the overall weight of the skull, making it easier for the head to move and reducing the strain on neck muscles.
Additionally, the sinuses also contribute to the resonance and quality of the human voice. They act as resonating chambers, modifying the tone and timbre of sound produced by the vocal cords.
While the sinuses do not serve as passageways for nerves (Option A), aid in muscle attachment (Option C), or have no known function (Option D), their role in reducing skull weight and influencing voice resonance is well established.
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Fact, fiction, or opinion.
1. Humans are more evolve than reptiles
2. There are no transitional fossils
3. If evolution can be disproven, then creationism must be true
Answers
first one is definitely a fact
Answer:
1. Fact
2.Fiction
3.opinion
A male horse with a white reproduces with a female horse with a brown coat. If coat color is a codominant trait, what would you expect the offspring to have?
All white coats
All brown coats
Mixed white and brown coats
Mixed coats of the recessive colors
Answers
Answer:
Mixed white and brown coats
which layer of the uterus undergoes cyclic changes and is shed during the menstrual cycle. Endomentrium basal layer
Answers
Endometrium layer of the uterus undergoes cyclic changes and is shed during the menstrual cycle.
What is endometrium?The lining of the uterus is called endometrium. Throughout a person's fertile years, it is one of the few organs in the human body that changes in size on a monthly basis. The body gets ready for the endometrium to house an embryo each month as part of the menstrual cycle.The most frequent cause of endometrial hyperplasia is an excess of estrogen without progesterone. Progesterone is not produced and the lining is not removed if ovulation does not take place. In reaction to estrogen, the endometrium might continue to expand. It's possible for the lining's cells to group together and develop abnormalities.Learn more about endometrium here:
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These plants have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. There is one type of spore, and the gametophyte generation grows outside of the spore wall. Which plant or plants am I describing? (SELECT ALL THAT APPLY) 000000000 Ferns Cycads Selaginella Lycopodium Conifers Ginkgo Hornworts Mosses Angiosperms 3 pts Liverworts
Answers
The correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
The plants that fit the given description are:
Ferns: Ferns have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Ferns produce one type of spore, and the gametophyte generation grows outside of the spore wall.Horworts: Hornworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Hornworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Mosses: Mosses have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Mosses produce one type of spore, and the gametophyte generation grows outside of the spore wall.Liverworts: Liverworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Liverworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Therefore, the correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
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PLEASE HELP 50 POINTS BRAINLIST
Answers
Answer:
it does not specify which is female and which is male so i am going to go with a.
Explanation:
Songbirds migrate to warmer climates during the winter to find food.
Which characteristic of life does this behavior best illustrate?
Oheredity
Ogrowth and development
Oresponse
Ometabolism
Answers
The characteristic of life that is being exhibited by the song bird here is metabolism.
What are the characteristics of life?The characteristics of life refers to those things that living things are known for. These are the things that living things do. Those attributes tat go along with being alive.
The characteristics of the living things are known to include the following
Movement,Respiration,Nutrition,Irritability,Growth,Excretion,Reproduction,Death.The characteristic of life that is being exhibited by the song bird here is metabolism.
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the male and female reproductive cells called _________ ( gametes / zygote ) fuse to from a single cell called ___________ ( gametes / zygote ).
Answers
Answer:
Explanation:
the female and male reproductive cells are called "Gametes" fuse to from a single cell called "Zygote"
when consumed, alcohol first reaches the brain, where it is partially broken down. T/F?
Answers
False. When consumed, alcohol first enters the stomach and small intestine, where it is absorbed into the bloodstream.
When alcohol is consumed, it is quickly absorbed into the bloodstream and transported to the brain. In the brain, it is partially broken down by enzymes and metabolized into acetaldehyde, which is a toxic substance that can cause damage to the brain and other organs.
This process is influenced by various factors, including the amount and frequency of alcohol consumption, body weight, age, and overall health. It is important to note that excessive alcohol consumption can have harmful effects on the brain and can lead to a range of health problems, including addiction, memory loss, and cognitive impairment.
When consumed, alcohol first enters the stomach and small intestine, where it is absorbed into the bloodstream. It then circulates throughout the body and reaches the brain, causing various effects. The liver is responsible for breaking down alcohol, not the brain. However, this process can be slow, allowing alcohol to remain in the bloodstream and continue to affect the brain and other organs until it is metabolized.
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If you were given a single tiny chunk of a nucleic acid strand and asked if it was DNA or RNA, what things would you look for to tell?
Answers
Explanation:
whether or not there is a U in the strand.
on earth there are four main jet streams: two polor jet streams and two __ jet streams
Answers
Answer:
subtropical
Explanation:
Which term decribe the traditional methodology of project management and oftware development?
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The traditional methodology and software development is the waterfall methodology.
By waterfall methodology we generally mean that the breakdown of project activities into linear sequential phases. That means they are passed down onto each other.It can be said that the approach is typical for certain areas of engineering. The model is originated in the industries of manufacturing and constructions. There are modified rapid developments of waterfall like that of Steve McConell. Various modified model of waterfalls can include slight or major variations of the process. These variations include returning to the previous cycle after flaws were found downstream. Thus the waterfall model maintains one should move to a phase only when its previous phase is verified.
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Will give brainliest answer!
Which describes the chromosome theory of inheritance?
1.Each adult organism has four alleles for each specific trait.
2.Offspring inherit two copies of each chromosome from each parent.
3.The traits of offspring are random and unrelated to the parents.
4.Genes are carried from parents to offspring on chromosomes.
Answers
Answer:
i beleive it is answer choice one but if wrong, im so sry
Explanation:
Answer:
4. Genes are carried from parents to offspring on chromosomes I think
explain how the structure of a cell´s membrane is related to its function.
Answers
Answer:
The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
The structure of cell membrane helps in being selectively permeable that play a major role in regulating the entry and exit of molecules into and out of the cell.
The cell membrane is a biological membrane that makes the barrier between the interior of all cells and the outside environment. It is composed of a phospholipid bilayer with embedded proteins.
Due to phospholipid bilayer that has hydrophilic heads toward outside and intercellular matrix and hydrophobic tails in the middle, it is selectively permeable to ions and organic molecules:
It forms a physical barrier between the cell and the external environmentselected necessary molecules to pass through itregulates the entry and exit of molecules into and out of the cell. permits the entry of vital molecules like water, oxygen and amino acids, glucose into the cellthese molecules are crucial for various life processesmetabolic waste products are expelled through the cell membrane.it provides signals from one cell to another.Thus, the major function of cell membrane is due to its structure.
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Bacteria can reproduce asexually by dividing into two identical daughter cells using?
Answers
Answer:
Bacteria can reproduce asexually by dividing into two identical daughter cells using mitosis
Scenario 1:
Genetic engineering can be used to create more productive strains of farm animals used for milk and meat production. By adding genes to an animal’s DNA, the animal can be made to be more resistant to common infections. This can reduce the need to administer large doses of antibiotics to the animals.
Do you think that this type of genetic engineering should be pursued? Explain your answer. (5 points)
What are some possible impacts (positive and negative) of this type of genetic engineering on individuals, society, and the environment? (5 points)
Answers
Answer:
Yes.
Explanation:
Yes, this type of genetic engineering should be pursued in order to avoid decrease in death through infections or diseases as well as increase the production of milk and meat of that animals. With this genetic engineering, organisms have high resistance to diseases which decrease the cost of antibiotics. The positive effect of this genetic engineering is the increase in the resistance that leads to good health as well as productivity of organism.
In 1-2 sentences, relate the impact of the industrial use of water for (fracking) with the availability and quality of water. hydraulic.fracturing
Answers
The industrial use of water for hydraulic fracturing (fracking) can impact the availability and quality of water due to the large volumes of water required and the potential contamination of water sources by chemicals used in the fracking process.
The industrial process of hydraulic fracturing, commonly known as fracking, involves injecting large volumes of water, sand, and chemicals into underground formations to extract natural gas or oil.
This process requires significant amounts of water, which can strain local water supplies, especially in areas already facing water scarcity or drought. The extraction and treatment of this water can also lead to increased water pollution and contamination, as the chemicals used in the fracking fluid can potentially leak into groundwater sources or be released into surface water bodies.
The disposal of wastewater generated from fracking operations can also pose challenges, as it requires proper treatment and management to prevent contamination of water resources.
Overall, the industrial use of water for fracking can have significant implications for both the availability and quality of water in affected regions.
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calculate the orbital period of a satellite that orbits two earth radii above the surface of earth
Answers
Answer:
Depending upon the mass of various bodies and the gap between them, such as planets, satellites, etc., there appears a pulling effect between these massive masses. This pulling effect is known as gravitational force. One can establish the relationship of the orbital period by equating the gravitational force with centripetal force and substituting the velocity relation with the period.
Explanation:
I hope this helps!