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What is a hydrogen bond?

Answers

Answer 1
Hydrogen bonding, interaction of a hydrogen atom located between a pair of other atoms having a high affinity for electrons; such a bond is weaker than an ionic bond or covalent bond but stronger than van der Waals forces
Answer 2

Answer:

A hydrogen bond is a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.


Related Questions

explain why wolves and other animals mark territory and use aggression.

Answers

Answer:

Dominance

Explanation:

animals mark and become aggressive for dominance over one another and to protect their own

Where in the oceans are the highest values of salinity found?
in mid latitude regions, wind qusts are strongest
in subtropical regions, where evaporation exceeds precipitation
O near the equator, where precipitation exceeds evaporation
O in polar regions, where ice sheet volumes are shrinking

Answers

Answer: in subtropical regions, where evaporation exceeds precipitation

Hope it helps :)

Explanation:

TIMED PLS HELP!!
Which of the following distinguishes how large supermarket chains are able to provide the public with fruits and vegetables for lower costs?
A. Large supermarket chains always provide the customer with the best prices, even if it means sacrificing their own profits.
B. Large supermarket chains usually buy food from overseas, which is generally cheaper than buying local foods
C. Large supermarket chains can negotiate prices because they have such a strong presence in the agricultural community
D. Large supermarket chains often buy food from farms that use cheap and unsustainable farming practices.

Answers

Answer:

C. Large supermarket chains can negotiate prices because they have such a strong presence in the agricultural community. Im sorry no one answers these

I need the last two questions. Can anyone help?

Answers

1. Color can affect a pocket mouse’s ability to survive because if a light colored mouse is in a dark area, it will not survive. A dark colored mouse will survive in a dark area because it will blend in with its surroundings.

2. On the dark rock, mice with dark fur are more likely to survive because they will blend in with the rock.

the five pairs of ribs that do not
attach directly to the sternum

Answers

Answer: the false ribs. Which are the lower ribs.

Explanation:

the lower ribs , the false ribs

Products enter a reaction and reactants come out of a reaction true or false?

Answers

Answer:

[tex]\boxed {\boxed {\sf False }}[/tex]

Explanation:

In a chemical reaction, the products are produced. The reactants are the substances that react.

In a chemical reaction equation (with the arrow pointing right) the reactants are on the left and the products on the right.

[tex]reactants \rightarrow products[/tex]

The reactants enter and the products come out.

So, the statement given - products enter a reaction and reactants come out - is false and it is actually the other way around.

HELLPP! ITS BIOLOGY

Answers

Answer:

So that in a guinea pig cross in the offspring the recessive trait —long hair— can be observed in 25%, the most probable genotype of the parents is heterozygous Ss.

Explanation:

In guinea pigs, for the characteristic hair length, short hair is the dominant allele and long hair is the recessive one.

In order for 25% of the offspring to express the recessive characteristic, the parents must have a recessive genotype, which can be seen in Punnett's Square:

P: Ss X Ss

Alleles     S     s

S             SS   Ss

s             Ss    ss

Where the offspring is:

50% Ss with short hair phenotype 25% SS with short hair phenotype 25% ss whose phenotype would be long hair.

According to this, heterozygous parents for the characteristic long hair in guinea pigs have a 25% chance of having offspring with long hair.

HELP ASAP!
Which of the following is true regarding glycolysis ?
Choose 1 answer.
A.) It requires glucose as a reactant.
B.) It produces 36 ATP.
C.) It occurs in the mitochondria.
D.) It is an aerobic process. ​

Answers

Answer:

I would have to say A

Explanation:

Glycolysis is the first step in the breakdown of glucose to extract energy for cellular metabolism. So we already know that it uses glucose because thats what its breaking down. Glycosis produces 2 ATP so B is wrong. Glycolysis happens in the cytoplasm so C is wrong. Finnaly aerobic is using free oxygen in the process of the reaction. However glycolysis uses no oxygen and is  anaerobic.

Glycolysis requires glucose as a reactant.  

Glycolysis refers to a cytoplasmic pathway that dissociates glucose into the three-carbon compound and produces energy in the form of ATP.  

• The process of glycolysis takes place in the cytoplasm.  

• In the process, the net production of 2 ATPs takes place.  

• It can be both anaerobic and aerobic process.  

• The process of glycolysis completes in 10 steps, five of which are in the preparatory phase and the rest 5 are in the pay-off phase.  

• The process of glycolysis is used by all the cells of the body to produce energy, and the final product of glycolysis is pyruvate.  

Thus, correct answer is option A, that is, it requires glucose as a reactant.

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What is the proper way to write a scientific name of an organism?

Answers

Explanation:

The correct way to write a scientific name is by using the genus and species of the organism. 

hope it helps!

Active transport occurs through which type of biomolecule?
Proteins
Lipids
Carbohydrates
Nucleic acids

Answers

Nucleic acids. It is this becasue In my science call today they said this

Nucleic acids is the first answer I know I took the test and got it right

I WILL DO ANYTHINK< PLEASE DONT IGNORE I NEED HELP
What must occur in order to make a legal free pass?
use two hands
the throw must be underhand
the pass must be lateral or backwards
the throw must be a forward pass
the ball must touch the inside of the player's foot, but only on a change of possession

Answers

Answer:

Explanation:

the ball must touch the inside of the player's foot, but only on a change of possession

Artificial selection has produced a wide variety of crop plants, livestock, and pets. Which characteristic of artificial selection makes it different from natural selection

Answers

Answer:

Genetic Problems

Explanation:

When people genetically modify animals, they can mess up a lot of their natural abilities. For example in some cases scientist have made cows who produce more milk, but couldn't reproduce anymore because of it. Sometimes it even hurts the animal. People have bred dogs in certain ways that makes it hard for them to breathe, like Bull dogs who has respiratory issues. This makes decreases their life span and continuing to bred them will only make it worse. When scientist have a certain trait they want they also make animals breed with their own families. Incest creates a lot of genetic problems.

I hope this helped.

What typically happens to a population if it exceeds it’s carrying capacity?
A. Death rate will exceed birth rate
B. Prey species increase
C. Migration into the area increases
D. Birth rate will exceed death rate

Answers

Answer:

D

Explanation: Population will proceed to grow, until resources are used up, then population begins to decrease.

Answer:

D. birth rate will exceed death rate

How does a plant cell differ from an animal cell? Group of answer choices A plant cell can make its own glucose; an animal cell cannot A plant cell cannot synthesize proteins an animal cell can. A plat cell cannot perform cellular respiration; an animal cell can.

Answers

Answer:

plant cell can make its own glucose; an animal cell cannot

Explanation:

Chloroplasts are found in plant cells, but not in animal cells. The purpose of the chloroplast is to make glucose that feed the cell's machinery. Photosynthesis is the process of a plant taking energy from the Sun and creating glucose.

Use the following strand of mRNA and translate it into amino acids

mRNA: AUGCCGU AU​

Answers

I think it is Alinine

aug-start or methionine

CCG-proline

UAU-Tyrosine

Need immediately please #6-9

Answers

9
3
3
1 would be the answe

Answer:

6) 9

7) 3

8) 3

9) 1

hope this helps you!

A genome identifies genes in an organism. Which part of the DNA molecule is examined to determine the genetic proteins and traits of an organism?

Answers

Answer:

sequence of nitrogen bases

Explanation:

i’m taking my exam rn and that was the correct answer

Answer:

sequence of nitrogen bases

Explanation:

An unidentified plant produces spores, has many cells, but does not have true leaves. What plant is it?

A. liverwort
В. fern
C. gymnosperm
D. angiosperm

Answers

Fern is the correct answer

An unidentified plant produces spores, has many cells, but does not have true leaves. It is a fern or the angiosperms. Thus, option C is correct.

What are angiosperms?

Angiosperms, that are also known as flowering plants, have “seeds” that are sealed off within an “ovary”, while gymnosperms do not have fruits or flowers and have uncovered seeds on the surface of leaves. Seeds of gymnosperms are often arranged as “cones”.

The features and characteristics that distinguish angiosperms from gymnosperms are fruits, flowers, and “endosperm” in the seeds. Examples of “Angiosperms” are “monocots” like orchids, lilies, agaves, grasses and dicots like, peas, roses, sunflowers, maples and oaks. “Gymnosperm” examples include “non-flowering evergreen” trees like pine, fir and spruce.

Therefore,An unidentified plant produces spores, has many cells, but does not have true leaves. It is a fern or the angiosperms. Thus, option C is correct.

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Which point shows the prevailing westerlies?
O1
O 2
O3
O4

Answers

Answer:

1

Explanation:

Prevailing Westerlies are the winds in the middle latitudes between 35 and 65 degrees latitude. They tend to blow from the high pressure area in the horse latitudes towards the poles. These prevailing winds blow from the west to the east steering extra-tropical cyclones in this general manner.

What is the relationship between the Earth, moon, and Sun during a solar and Lunar eclipse?

Answers

Answer: The relationship between the Earth, moon, and sun during a solar and Lunar eclipse is Lunar eclipses only happen once the Moon is in the opposite direction of the Sun in the sky, a montly occurence, which is known as a full moon.

Explanation: Once the Moon passes between Sun and Earth, the lunar shadow is seen as a solar eclipse on Earth. When this happens, Earth passes directly between the Sun and the Moon, which causes its shadow to create a lunar eclipse.

Answer:

during a luner eclipse the earth comes between the sun and the sun and the moon blockimg the sunlight falling on the moon.

CAN SOMEBODY PLSSSS STILL ANWSER I NEED THIS ASAP BIOLOGY HELP!!!!!!!!!!!!!! BRAILIESTT

Answers

Answer:

C, brainliest plz??

Explanation:

What is an advantage of this type of reproduction? A. It allows a species to avoid harmful mutations. B. It enables a species to increase its genetic variability. C. It allows a species to withstand long periods of unstable environmental conditions. D. It enables a species to rapidly populate an environment that has favorable conditions.

Answers

Answer:

I think C

Explanation:

NEED HELP ASAP!! 10 points!

Cells are often compared to factories. How is a factory a useful model for explaining the cell?

Answers

Answer:

Each organelle within the cell has its own important job, similar to factory workers. Every organelle plays an important role and without one, the whole team loses function.

Cell is the basic unit of life. Cells unite together and forms tissue. Many tissue will unite and form organ. Organ will unite together to form a organ system.

What is cell?

The building elements known as cells make up all of these plants and animals, including worms in the soil, horseflies on farms, lemurs in the jungles, reeds in ponds, and trees in forests.

Similar to these instances, many live organisms are composed of numerous cells working together. However, certain forms of life, such as the various bacterial and protozoan species, are made up of simply one cell.

Most cells, whether they are solitary or a component of a multicellular organism, are too small to be seen without a light microscope.

Therefore, Cell is the basic unit of life. Cells unite together and forms tissue. Many tissue will unite and form organ. Organ will unite together to form a organ system.

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all you need is in the photo ​

Answers

It’s z cuz y=mxtb and u solve the parobola and its 11teen

What is the sentence stem cell?

Answers

Answer:

Sentences Mobile

Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.

Explanation:

Sentences Mobile

Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.

please help me if you only know

Answers

Answer:

(1) Translation begins when a ribosome (gray) docks on a start codon (red) of an mRNA molecule in the cytoplasm. (2) Next, tRNA molecules attached to amino acids (spheres) dock at the corresponding triplet codon sequence on the mRNA molecule.

Explanation:

1st one.

Answer:

Hi how are you doing today Jasmine

Explain how an evergreen tree stores water during months of little rain.

Answers

Answer:

i think they are orignally from cold areas so they store water and moisture in there needles. and they stay green year round.

Explanation:

What are three things done by proteins

Please help i need a answer that is not off the internet it needs to be in own words.
I will mark brainly

Answers

Growth and Maintenance. Share on Pinterest. ...
Causes Biochemical Reactions. ...
Acts as a Messenger. ...
Provides Structure. ...

Which of the following statements is Newton's 1st Law of Motion? A. The object will move in the direction of the unbalanced force. B. Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first. C. An object at rest remains at rest and an object in motion remains in motion at a constant speed and in a straight line, unless acted upon by an unbalanced force.

Answers

Answer:

C.

Explanation:

thats just his first law of motion

Answer:

C. An object at rest remains at rest and an object in motion remains in motion at a constant speed and in a straight line, unless acted upon by an unbalanced force.

Explanation:

In essence, Newton's first law of motion states that an object at rest won't move unless an outside force causes it to move. Similarly, an object moving at a constant speed will continue moving at that same speed indefinitely, unless an outside force causes it to change speed.

What happens when a stationary front passes?

Answers

Answer:

_________

Explanation:

Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.

Other Questions
Sophia went out to eat dinner, and the meal cost $40.00. If Sophia received a 35% discount, what wastotal value of the discount?$12.60$14.00$15.20$16.80Sub what is the answer to this question some one please help me (7b)+(3b+2) 6. Which form of renewable energy converts sunlight into electricity?hydroelectricsolar powergeothermalbiomass7. What renewable biomass fuel source has been used for thousands of years?cornstrawsugarcanewood8. Which renewable form of energy is found in the Earth's crust?coalpetroleumgeothermalnatural gas9. What effect does the Earth's surface have on solar radiation?Half of the solar radiation is absorbed and converted to infrared (heat).Nearly all solar radiation is reflected back into space by the ground.The ground absorbs half the solar radiation and stores it as infrared radiation for centuries.10. Which greenhouse gas has the greatest effect on climate?nitrous oxidehydrofluorocarbonswater vaporcarbon dioxide CAN SOMEONE HELP ME PLEASE Read this excerpt from "Wiley, His Mama, and the Hairy Man in The People Could FlyHe hollered, "There's nothin here but a sucklin pig!"This excerpt is from which part of the story?the expositionthe rising actionthe climaxthe resolution Identify The domain of the rational function, g(x)= 1/x+3A (-, )B (-, 3)U(3, )C (-, -3]U[-3, )D (-, -3)U(-3, ) Making decisions about how Threadless should allocate its resources to both current and future product innovations is a process known as:_______a. long-term financing.b. financial planning.c. financial management.d. short-term financing.e. budgeting. Betty had 1/3 yard of ribbon. She used 1/2 of it. How many yards of ribbon did she use?a. 6 ydb. 1/6 ydc. 2/3 ydd 3/2 yd hey so im running and tell me if you think this is a good score 55 flat 46 seconds The entrance fee to a carnival is $8, and it costs $0.50 for each ride. If Sanjay rides 6 rides, how much will he spend in total?A. $28 dollarsB. $14dollarsC. $11dollarsD. $10 dollars In this passage from a lecture Ralph Waldo Emerson gave in 1837, he focuses on the role of books in educationfrom The American ScholarIt is remarkable, the character of the pleasure we derive from the best books. They impress us ever with the conviction that one naturewrote and the same reads. We read the verses of one of the great English poets, of Chaucer, of Marvell, of Dryden, with the most modern joyz-witha pleasure, I mean, which is in great part caused by the abstraction of all time from their verses. There is some awe mixed with the joy of oursurprise, when this poet, who lived in some past world, two or three hundred years ago, says that which lies close to my own soul, that which I alsohad well-nigh thought and said,(from "The American Scholar" by Ralph Waldo Emerson)Which sentence best expresses the main idea of the passage?O 1. People enjoy rereading the work of well-known poets and authors.2. Great literature addresses universal experiences and remains relevant over time.3. Modern writers are inspired by the work of writers who lived hundreds of years ago.4. The books that are most influential are those that have well-developed characters. Which best categorizes the different types of air. aBoth warm and cool air have low pressure bWarm air has high pressure, cool air has low pressure. cWarm air has low pressure, cool air has high pressure dBoth warm and cool air have high pressure How might the development of a vaccine against malaria affect the life expectancy in Africa?All my teacher needs is a prediction, please help Im failing really bad. What are the coordinates of the vertices of the triangle under the translation (x, y) (x + 2, y + 3)? (-4, 5), (3, 4), (0, 0) (5, -4). (4, 3), (-1, 2) (6, -5), (5, 2), (1, -1) (-5, 6), (2, 5), (-1, 1) Which step is not part of a normal convection cycle?A. Unequal heating creates a pressure difference.B. Air flows from a high-pressure area to a low-pressure area.C. Cooled air sinks toward the surface, creating a low-pressure areaD. Warmed air sinks, creating a high-pressure area as it falls.above it. Plz hurryWhat was the process of making the constitution? Rebecca buys a shirt for $38.She finds out the shirt is 25% offand there is 8% sales tax. IfRebecca has $40, how much changewill she receive? 2. Which expression is equivalent to 3(4x + 10 = 2+3)? All the following statements about residual value guarantees are correct about residual value guarantees, except that they:a. protects lessors against technological changes. b. protects lessors against marketplace changes. c. protect lessees against lessors who abuse leased assets. d. protect lessors against lessees who abuse leased assets Attack of the DragonsAttack of the DragonsIf the Viking raids from the north and the Briton raids from the south werent bad enough, now we have a new challenge to our castle walls: dragons.Here in Northumberland, summers are full of war. We are used to fighting in the summer. Thats when the lands to our north thaw enough for the Vikings to venture south to our lands hoping to steal our livestock and crops. Our walls, however, protect our farms. As the Norsemen try to come ashore, we fight them back with ease. Our arrows, bolts, and rock are more than enough to fend them off as they attempt to land on our beaches. They may not have what is ours, and soon they turn toward other coasts and other forts as ours are too strong for them.Then come the Britons from the south. The Britons claim to this land is admittedly greater than ours. They were here before the Romans and will probably outlast our Saxon rule, but that does not matter today. Today this land belongs to Ida the Saxon king, and we will hold it for him and his heirs. Their numbers cannot stand against our fortifications. Our steel is superior to theirs, as our swords and spears cut through their armor with ease. We have the higher ground, for Bamburg stands on a dolerite outcrop. Not only do we use the rock as our foundation, we have cut into the earth and used it to build our walls, and we launch our rocks toward our enemy as they attempt to storm the hill. With these rocks and our arrows and bolts, we cut half their army down before they even reach our battlements. Their spirit weakens as their forces are cut down, as we easily strike down those foolish enough not to break ranks and run. No man can defeat us once we lock ourselves behind these walls. We have plenty of land and cattle here. We can outlast any siege. Thanks to Lord Ida of Bernecia, we are protected.Lord Ida had us build this stronghold high above the shore, and we are invincible from attacks by land and sea, but now we must deal with airborne enemies as well.The dragons have come out of the East somewhere and bring with them fire. They attack when the sun is high. They know our bows and crossbows are worthless against them, as our arrows and bolts bounce off their thick hide. They swoop down and take our sheep in their claws and maws, returning to whereever they came from before dusk with a fifth of our provisions. The fire drives our bravest men inside as we cower with the women and children, hoping to avoid the death that the dragons bring.Aston, the ironsmith, and his fisherman brother, Aethel, claim to have a solution. They have combined their tools and designed a contraption that might bring the winged monsters out of the sky. Fishing nets with iron barbs launched from paired ballistae. The ballista is a giant crossbow left from the Roman invasions. The contraptions take three men to crank, and aiming the ballistae pairs has proven difficult, but we hope to fight when they return tomorrow.Nets are weighted down with iron spikes. As we launch the projectiles at the dragons, we hope to drop them into the sea, or at least pin them to the ground where our swords and spears can do harm. Aethel believes that dragons falling into the water will surely drown, and Aston believes that we should attack the wings of the grounded dragons so that they cannot escape our mighty warriors. But that lesson is for tomorrow when the dragons return at high noon. Tonight we plan our attack and hope our weapons prove their design.Based on the information found in the passage, which invaders attack the Saxons by land?A the VikingsB the dragonsC the BritonsD the Romans