Which statement must be mentioned in explaining why amphipathic.
Answers
In explaining why amphipathic, the statement that must be mentioned is that amphipathic molecules have both hydrophobic (water-repelling) and hydrophilic (water-attracting) properties.
This allows them to interact with both polar and nonpolar molecules. In addition, the hydrophobic portion of an amphipathic molecule tends to cluster together, forming a nonpolar region, while the hydrophilic portion interacts with water to form a polar region. Amphipathic molecules are molecules that possess both hydrophobic (water-fearing) and hydrophilic (water-loving) properties. Phospholipids and detergents are examples of amphipathic molecules.
Amphipathic molecules are one of the most important groups of biomolecules due to their fundamental role in the organization and function of cell membranes. Cell membranes are made up of two layers of phospholipids, each of which has a hydrophobic tail and a hydrophilic head. Because of their amphipathic properties, phospholipids spontaneously assemble into lipid bilayers with the hydrophobic tails facing inward and the hydrophilic heads facing outward.
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Related Questions
Ralph has type B blood and his wife, Rachel, has type A blood. They are very shocked to hear that their baby has type O blood. They think that a switch might have been made at the hospital. Can this baby be theirs?
Yes, if both parents are heterozygous for their blood types.
No, this baby is not theirs.
Yes, if both parents are homozygous recessive.
O Yes, if Ralph is homozygous and Rachel is heterozygous.
Answers
Answer: Yes, if both parents are heterozygous for their blood types.
Explanation: A child with type O blood can have parents with type A, type B, or type O blood, but not type AB. Conversely, if two parents both have type O blood, all their children will have type O blood.
I’ll mark u brainliest correct answer only
Answers
Answer:
D, Mastodon tissues contained protein sequences similar to those of modern-day elephants.
Explanation:
Some of the sugars produced by photosynthesis are stored as starch in the roots. Explain, as fully as you can, why it is an advantage to the plant to store carbohydrates as starch rather than as sugar.
Answers
Answer:
It's insoluble
Explanation:
Starch is better than glucose for storage because it's insoluble.
Insoluble meaning it can't be dissolved.
identify three plant tissues in images
Answers
which is shallower, the seasonal thermocline or the permanent thermocline?
Answers
The seasonal thermocline is typically shallower than the permanent thermocline.
The thermocline refers to a layer in a body of water where there is a rapid change in temperature with depth. In many bodies of water, such as oceans and lakes, the thermocline varies throughout the year due to seasonal changes in temperature.
The seasonal thermocline is a temporary feature that forms during the warmer months and dissipates during colder periods. It occurs when surface waters are heated by solar radiation, creating a warm surface layer. As you descend into the water column, the temperature decreases rapidly at a certain depth, creating the thermocline. In the colder months, the surface waters cool down, and the seasonal thermocline disappears or becomes less pronounced.
On the other hand, the permanent thermocline, also known as the main thermocline, is a feature that exists throughout the year in certain bodies of water. It is typically deeper than the seasonal thermocline and represents a more stable temperature gradient in the water column. The depth of the permanent thermocline can vary depending on factors such as latitude, ocean circulation patterns, and local conditions.
In summary, the seasonal thermocline is shallower and temporary, occurring during warmer months, while the permanent thermocline is typically deeper and persists throughout the year.
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out of the absorptive cells shown, which one has no concentration gradient across the membrane resulting in no net movement of water? the ovals represent the absorptive cells, and the density of shading reflects the concentration of solutes.
Answers
The cell that has no concentration gradient across the membrane resulting in no net movement of water is cell A. It is the largest concentration difference between the inside and outside of the cell is represented by the shows cell.
In this system, water has a gradient in concentration. Water will therefore diffuse down its gradient of concentration and cross the membrane to the side where it is less concentrated. Water will continue to diffuse through a membrane during the osmosis process until the gradient in the water's concentration is zero.
Ion pump enzymes move ionic solutes like sodium, potassium, hydrogen ions, and calcium across biological membranes to create and maintain concentration gradients. Because a gradient requires energy to create, it is a form of energy that has been stored.
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Why is the top part of Mt.Everest the coldest part if the sun is practically shining above it?
Answers
Answer:
As air rises, the pressure decreases. It is this lower pressure at higher altitudes that causes the temperature to be colder on top of a mountain than at sea level.
Answer:
Hey there!
The sun is so far away, it has little effect on the temperature at different elevations. Also, Mt. Everest's top is very high in altitude, and higher altitudes have cooler temperatures.
Let me know if this helps :)
DNA is a nucleic acid involved in heredity, or the passing down of genetic traits from one generation to the next. DNA consists of four different types of nucleotide monomers.
Which part of the nucleotides' structure is responsible for the incredible variation that exists amongst all types of organisms?
Answers
The nitrogenous base. There are four different types in a strand of DNA, adenine, thymine, cytosine, or guanine. The specific arrangement of these four bases within the DNA of each organism gives that organism its unique traits
According to the environment-industry-organization fit model, cell 2 represents which of these environments?
Answers
According to the environment-industry-organization fit model, cell 2 represents the stable environment.
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some plants respond to herbivore damage by releasing volatile compounds. identify the correct effect(s) of volatiles. select all that apply. some plants respond to herbivore damage by releasing volatile compounds. identify the correct effect(s) of volatiles.select all that apply. volatiles may attract parasitoid wasps to attack an insect herbivore. volatiles may poison the attacking herbivore. volatiles may warn nearby plants of the same species, so that they can mount a biochemical defense
Answers
Volatile compounds released by plants in response to herbivore damage can have several effects: 1. Attract parasitoid wasps to attack the insect herbivore. 2. Volatiles may warn nearby plants of the same species, so that they can mount a biochemical defense. However, volatiles typically do not poison the attacking herbivore directly.
The correct effects of volatiles released by some plants in response to herbivore damage are:
1. Volatiles may attract parasitoid wasps to attack an insect herbivore.
2. Volatiles may warn nearby plants of the same species, so that they can mount a biochemical defense.
Therefore, both options 1 and 3 are correct. Volatiles do not typically poison the attacking herbivore directly, although some plants may produce toxic compounds as a secondary defense mechanism.
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Complete question is:
Some plants respond to herbivore damage by releasing volatile compounds. Identify the correct effect(s) of volatiles.
Which of the following best describes the way plants with rhizomes can reproduce?
A. by both sexual and asexual reproduction
B. by sexual reproduction only
C. by sexual reproduction and grafting
D. by cloning only
Answers
Answer:
c
Explanation:
when you graft you are a usally combing two plants to make a differt species
can someone plz help me
Answers
Answer:
3
Explanation:
bc that is the cell wall, which only plants have
After the supernova in a star’s life cycle, what else is formed in addition to a nebula?
red giant or protostar
neutron star or red giant
protostar or black hole
black hole or neutron star
Answers
Answer:
D. Black Holes and Neutron Stars
Explanation:
The core of a star can survive a supernova. It can become something diffrent.
how many crops are grown in arkansas?
Answers
Answer:
6.2 million acres in crops
Explanation:
Hope I helped, have a nice day!
in the animal kingdom, only humans rely on __________ to ensure their survival.
Answers
In the animal kingdom, only humans rely on "advanced tools and technology" to ensure their survival.
It would be incorrect to say that humans are the only species in the animal kingdom to rely on intelligence and technology for survival, despite the fact that they are well known for their high level of intelligence and extensive use of technology. Diverse animal species exhibit extraordinary intellect and use tools or other technologies to suit their survival demands.
For instance, primates like chimpanzees and orangutans have been documented utilising tools in the wild. These animals have been seen using sticks to scrape insects from tree bark and stones as hammers and anvils to crack open nuts. Dolphins have demonstrated the ability to solve problems and employ tools, such as when they used sponges to cover their snouts while hunting on the ocean floor. Crows from New Caledonia are among the birds noted for their skill in making and using tools for a variety of purposes.
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Our genes are very similar to those of chimpanzees. The difference is probably only 1.5% of our DNA. But there is one obvious difference: chimpanzees have 24 pairs of chromosomes, we have 23 pairs. And the reason is because two smaller ape chromosomes have come together and fused in human beings.
Answers
Our genes are the fundamental units of heredity, which contain the genetic information that determines our physical and behavioral traits.
These genes are located on chromosomes, which are thread-like structures made of DNA and protein. Humans typically have 23 pairs of chromosomes, totaling 46 chromosomes in each cell of the body. However, chimpanzees have 24 pairs of chromosomes. The reason for this difference lies in a chromosomal fusion event that occurred in the human evolutionary lineage. This event involved the fusion of two smaller ape chromosomes, resulting in the formation of a single larger chromosome in humans. Despite this structural difference in our chromosomes, our genetic makeup is still very similar to that of chimpanzees, with an estimated 98.5% similarity in our DNA sequences. This similarity suggests that we share a common ancestor with chimpanzees, and that we have diverged from each other over time through the process of evolution.
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Class
Lesson Uutine
Levels of Organization
A Lite's Organisation
1. A large animal is composed of trillions of tiny
together
organisms are made of only one cell.
working
Answers
Answer:Life's Organization. 1. A large animal is composed of trillions of tiny cells working together. 2. Unicellular organisms are made of only one cell. B.
Explanation:
What do convection currents mean?
Answers
Answer:
Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock.
Explanation:
Which of these mrna do in eukaryotic cells but not prokayotic cells a. duplicate itself b. cross a membrane c. coil one two compact crystal form d. break off some of its phosphates to release energy
Answers
c. coil one two compact crystal form
because Eukaryotic cells have a nuclear membrane and Prokaryotic cells do not.
The Fitness Gram PACER Test is a multistage test of aerobic capacity that becomes increasingly challenging as it goes along.
The Fitness Gram exam uses the test to gauge a student's aerobic capacity. Each lap is indicated by a beep sound as the students run back and forth as many times as they can. Up until the learner earns their maximum lap score, the exam gets quicker and faster.
If a student is in the Healthy Fitness Zonetime or the Needs Improvement Zone, it may be determined using the Fitness Gram program by combining their PACER Test result with their scores for physical strength, endurance, flexibility, and body composition.
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gram-negative bacteria are not killed by penicillin because they: group of answer choices do not have ribosomes. have an outer membrane layer covering their peptidoglycan cell wall. have two layers of peptidoglycan. do not have peptidoglycan. their ribosomes are protected with their own outer membrane layer.
Answers
Gram negative bacteria are not killed by penicillin because they have an outer membrane layer covering the peptidoglycan cell wall.
Why does penicillin not kill gram-negative bacteria?Gram-negative bacteria's cell walls are surrounded by a lipopolysaccharide (LPS) layer that prevents antibiotics from entering the cell. As a result, penicillin is most effective against gram-positive bacteria with high DD-transpeptidase activity.Penicillin works best on gram-positive bacteria by inhibiting peptidoglycan production, making the cells leaky and fragile, while the outer membrane in the gram-negative bacteria covers the peptidoglycan layer and prevents the effect of penicillin on it.A lipopolysaccharide (LPS) layer surrounds the cell walls of gram-negative bacteria, preventing antibiotic entrance into the cell. Penicillin therefore works best against gram-positive bacteria, which have the highest DD-transpeptidase activity.To learn more about penicillin, refer to:
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Arrange the following in the order in which they appear in electron transport. rank the compounds from first to last appearance in electron transport.
FAD O2 NAD+
First appearance Last appearance
________________ ________________
Answers
Following in the order in which they appear in electron transport. rank the compounds from first to last appearance in electron transport are
First appearance: FAD, NAD+
Last appearance: O2
Electron transport is a process that occurs in the mitochondria of eukaryotic cells during cellular respiration. During this process, electrons are passed along a series of protein complexes, which creates a proton gradient that is used to generate ATP. The electron transport chain consists of several molecules and proteins, including FAD, NAD+, and \(O_2\).
FAD (flavin adenine dinucleotide) and NAD+ (nicotinamide adenine dinucleotide) are electron carriers that are reduced when they accept electrons.
They are among the first molecules to appear in the electron transport chain, as they accept electrons from other molecules, such as glucose, during earlier stages of cellular respiration.
\(O_2\) (oxygen) is the final electron acceptor in the electron transport chain. As electrons are passed along the chain, they become increasingly energized.
Finally, they are passed to \(O_2\), which is reduced to form water. \(O_2\) is therefore the last molecule to appear in the electron transport chain, as it is the final destination for the electrons that are being transported.
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The correct order of appearance in electron transport for the compounds FAD, O2, and NAD+ is:First Appearance: FAD,Second Appearance: NAD+,Last Appearance: O2
During cellular respiration, FAD and NAD+ act as electron carriers, accepting electrons from other molecules and donating them to the electron transport chain. The electron transport chain is a series of membrane-bound proteins that pass electrons from one to another, ultimately reducing O2 to water. FAD is the first electron carrier to pass electrons to the electron transport chain, followed by NAD+. O2 is the final electron acceptor in the electron transport chain, accepting electrons and protons to form water. Therefore, the correct order of appearance in electron transport for the compounds FAD, O2, and NAD+ is FAD, NAD+, and O2.
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The hero has something that sets her apart from others at the beginning. * A. The Temptation B. Crossing the Threshold C. An Unusual Birth/Early Childhood D. The Return Home
Answers
Answer: c
Explanation: you can notice she is special unlike others she has something unic. btw this belongs to inglish clas not biology sorry to break it up to you
Answer:
The Answer is C.
Explanation:
It makes more sense than the other answers...right? look at it. see it now?
which of the following is true with regards to enhancer sequences? multiple choice they are orientation-dependent. repressor proteins bind to them. they may be located either upstream or downstream of the promoter. they cannot be downstream of the start of transcription.
Answers
The statement that is true with regards to enhancer DNA sequences is they may be located either upstream or downstream of the promoter.
Booster sequences are DNA sequences that regulate gene expression by enhancing the activity of the promoter sequence, which is the region of DNA where transcription begins.
Enhancers can be located upstream or downstream from the promoter and can be far away from the gene they regulate, even on a different chromosome. They can also work independently of orientation, which means they can work equally well regardless of their orientation.
Repressor proteins that bind to DNA sequences are called silencers, which are similar to enhancers but repress gene expression rather than enhance it. Both enhancers and inhibitors are cis-acting factors, that is, they are located on the same chromosome as the gene they regulate.
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is the following statement true or false?
the tissue of the capsule in a moss is diploid.
Answers
The given statement is true, the tissue of the capsule in a moss is diploid.
Funaria is moss and it belongs to the dominion Bryophyta. Funaria continues switching among the gametophytic department and sporophytic department phase. The pill and seta belong to the sporophyte which undergoes meiosis to provide spores. In mosses, the dominant level is the haploid generation (the gametophyte). This way that the green, leafy gametophytic tissue is haploid (has handiest one set of chromosomes). Each sporophyte plant consists of a pill, that's the middle of spore formation; a stalk; and a foot that attaches the sporophyte frame to the end of the gametophyte. Eventually, the diploid spores are launched and, upon a hit germination, develop into some other moss plant.
Thus, the given statement is true.
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You drink 3 cups of coffee each day, and in a continuation of your plans to change your diet you decide to stop using sugar in your coffee. However, you find it too difficult to completely stop using sugar. Therefore, 20% of the time you end up using sugar in your coffee anyway. Let X be the random variable that indicates the number of 'sugared' coffees out of three that you drink per day. (1 points) What is the probability mass function? Consider 'no sugar' to be success.
Answers
Answer: The probability mass function is a Binomial distribution
Explanation: Use this and hopefully it will work for you!
I NEED HELP!!!
Which of these is not one of the parts of an atom?
A. electron
B. proton
C. neutron
D. All of these are parts of an atom.
Answers
Answer:
d. all of them are parts of an atom
Explanation: trust
Answer:
Those are all parts of an atom. Electrons have negative charge, protons have positive charge, and as you may have guessed, neutrons have a neutral charge.
How does the removal of the top predator in the food chain described affect other organisms?
The frog population will increase
The frog population will decrease
There will be no effect on the frog populaiton.
The number of grasshoppers will increase
Answers
Answer:
The frog population will increase
Explanation:
The frog population will increase because if the top predators in the food chain described affect the frog organisms that will increase
Why are NADW and AABW important for global ocean
circulation?
Answers
Answer:
In the NADW Circulation relatively cold water in the deeper layers is transported to the south while in the upper layers warm water travels north resulting in a northward heat transport. In the opposite case large NADW production would lead to cooling of the southern hemisphere.
Explanation:
I hope it's helpful!
Name the disease in which:
a) A person fears from water
b) Yellowing of skin takes place
Answers
Explanation:
pagal jjhgghg fossil hjiuyyyyyyyyyyyyyyyyyy
Organisms that eat other organisms are called __________.
Answers
Answer:
Heterotrophs Or Consumers
Answer:
heterotrophs
Explanation: