Answers
Answer:
Intermolecular forces
Water is a dipole and acts like a magnet, with the oxygen end having a negative charge and the hydrogen end has a positive charge. These charged ends can attract other water molecules.
The entire electron densities of the two hydrogen atoms get attracted towards the oxygen atom. Thus a polarity develops in each O−H bond, and therefore, the water molecules are polar in nature and act like little magnets.
Explanation:
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Related Questions
PLEASE HELP
Gene editing to germline cells and embryos is illegal in many countries. Why?
(SELECT ALL THAT APPLY.)
A) Embryos are unable to give permission for gene editing.
B) The technology currently does not exist to edit embryos.
C) Edits to germline cells will be passed on to future generations.
D) Germline cells make up the majority of the body.
Answers
Answer:
The correct answer to this question is C
Hope it helps :)
You are visiting Walt Disney World in July. You are extremely overheated. You are passionately driven to find a chilly, air-conditioned environment, and you won’t stop looking until you find it! The principle at work in this scenario is ____________________.
Answers
The principle at work in this scenario is referred to as Determination.
What is Determination?This can be defined as a positive emotional feeling which involves persevering towards a difficult goal despite obstacles encountered.
The individual was subjected to the extreme heat but was still very much determined to find a chilly, air-conditioned environment which makes it the most appropriate choice.
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65 miles per hour equals how many meters per second
Answers
The answer is 29.0576
Answer:
29.0576 meter's per second
Explanation:
PLEASE CAN SOMEONE HELP ME !!!
which characteristics describes both the domain in Bacteria and the domain Archaea?
A.Unicellular organisms only
B.Unicellular and Multicellular organisms
C.Prokaryotic and eukaryotic cells
D.Eukaryotic cells only
Answers
Answer:
D.Eukaryotic cells only
Explanation:
Which of the following correctly describes a positive way in which hydrogen fuel cell technology can affect environmental quality or way of life?
It is easy to store safely and distribute globally.
It allows for the same efficiency as gasoline-run engines.
It can be used to power small and large electrical systems.
It can only be used without combining with other energy resources.
Answers
The statement that correctly describes a positive way in which hydrogen fuel cell technology can affect environmental quality or way of life is that
It is easy to store safely and distribute globally.
What is hydrogen fuel cell technology?Hydrogen fuel cell technology is a technology developed in order to produce electricity, water or heat by allowing hydrogen cell to react with oxygen in an electrochemical cell which is like a battery.
Therefore, The statement that correctly describes a positive way in which hydrogen fuel cell technology can affect environmental quality or way of life is that
It is easy to store safely and distribute globally.
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Which is an advantage of using embryonic stem cells instead of adult stem cells to help a patient?
Answers
Answer:
quicker recovery period for limitless injuries and surgeries
Explanation:
its correct
State two functions of potassium in the human body
Answers
Answer:
1) it helps improve fertility in woman
2) It also helps in muscle contraction and nerve functions
3) Regulation of pH level in the body
Normal human blood plasma contains all the amino acids required for the synthesis of body proteins, but not in equal concentrations. Why are alanine and glutamine present in much higher concentrations than any other amino acid in the blood
Answers
Answer: Alanine and glutamine play special roles in the transport of amino groups from the muscle and from other nonhepatic tissues, respectively, to the liver.
Explanation:
What chemical bond connects
nitrogenous bases like adenine and
thymine?
A. metallic bond
B. hydrogen bond
C. nonpolar bond
D. ionic bond
Answers
The chemical bond that connects nitrogenous bases like adenine and thymine is hydrogen bond.
What holds nitrogenous bases in a DNA molecule?DNA is a double stranded molecule made up of monomers called nucleotides.
Each nucleotide subunit is composed of three major components:
Nitrogenous basesFive-carbon sugarPhosphate groupThe nitrogenous bases, which are four in number, are held together in the DNA molecule by hydrogen bonds. That is; Adenine and Thymine are held together by hydrogen bonds.
Therefore, the chemical bond that connects nitrogenous bases like adenine and thymine is hydrogen bond.
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Answer:
b
Explanation:
How did the chestnut blight enter America’s forests?
From an imported Japanese tree
After a period of prolonged drought
From a series of EXCEPTionally rainy springs
With settlers as they moved west
Answers
Answer:
From an imported Japanese tree
wikipedia
How are human populations NOT likely to be impacted by global warming?
A. Freguent intense storms
B. Rising power costs
C. Rising ses levels
D. Increased temperatures
Answers
Answer:
Rising power costs
PSYCHOLOGY: please help!!!!!!!! why do parents dangle toys above infants in cribs and stuff their cribs with colorful stuffed animals?
Answers
Answer:
It tricks the child's mind to feel safe
Explanation:
Answer:safety is of the utmost importance
Explanation:You'll want to ensure that the piece is out of reach of your child, hung securely to the wall, and that if despite your best efforts it does fall, that it won't break, shatter or otherwise bring harm to your baby.Sep
n a strain of tomato plants, short plant height and small fruit size are traits that display autosomal recessive patterns of inheritance. To investigate whether the traits segregate independently, researchers cross a pure-breeding line of tall tomato plants that have large fruits with a pure-breeding line of short tomato plants that have small fruits. The researchers observe that all the plants in the F1 generation are tall and have large fruits. The researchers cross the F1 plants with one another to generate an F2 generation. The researchers record observations for the F2 generation and will use the data to perform a chi-square goodness-of-fit test for a model of independent assortment. The setup for the chi-square goodness-of-fit test is shown in Table 1.The researchers choose a significance level of p=0.05. Which of the following best completes the chi-square goodness-of-fit test?
Answers
For researchers who choose a significance level of p=0.05, the chi-square value, the critical value is mathematically given as
9.24, 7.82.What is chi-square goodness-of-fit test?Generally, The Chi-square goodness of fit test is simply defined as a hypothesis test that determines if a variable will originate from a certain distribution.
In conclusion, The calculated chi-square value is will be 9.24, given the significance level.
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Answer:
The calculated chi-square value is 9.24, and the critical value is 7.82. The null hypothesis of independent assortment can be rejected.
Explanation:
What is the likely effect from radiation that leads to the death of a bacterial cell?
A-The bacterial cell becomes smaller
B-the bacterial cell stats undergoing rapid division
C-the bacterial cell is not able to synthesize new proteins
D-the bacterial cell loses DNA
Hurry please!!!!!!
Answers
Answer:
A
Explanation:
because bacteria grows small till it dies
blood redirected through tubing made of semipermeable dialysis membrane
Answers
Explanation:
No sure about the answers and don't understand the nature of question
What does the dominant gene do to the recessive gene
Answers
Answer:
B overshadows it physically
Clams and oysters have shells that are made of calcium carbonate. How does an increase in the acidification of the ocean affect clams and oysters? Use details to support your ideas.
Answers
Answer: Shells become thinner, growth slows down and death rates rise.
Explanation: Sorry if this didnt help.
Which organism doesn't
photosynthesize?
A. some bacteria
B. plants
C. algae
D. fungi
Answers
Answer:
D. Fungi
Explanation:
Fungi does not contain the green pigment chlorophyll and therefore are incapable of photosynthesis.
16. Which statement best describes the way that
an adenosine diphosphate (ADP) molecule
becomes an adenosine triphosphate (ATP)
molecule in the human body?
C
A. Protein causes phosphate molecules to bind to
Sugars and form ATP.
B. Food energy is used to attach a phosphate
molecule to an ADP molecule.
C. lonized oxygen in cells causes sugars and
phosphate molecules to form ATP.
D. Water breaks down ADP molecules which form
into ATP molecules over time.
Answers
B. Food energy is used to attach a phosphate molecule to an ADP molecule
An adenosine diphosphate (ADP) molecule evolves an adenosine triphosphate (ATP) molecule in the human body B. Food energy is utilised to tie a phosphate molecule to an ADP molecule.
How does ATP store its energy?ATP or Adenosine triphosphate acts as the energy of the cell.
It keeps the energy released in the oxidation of glucose during cellular respiration.
ATP is split into ADP and Pi and energy is freed.
Thus, option "B" Food energy is used to attach a phosphate molecule to an ADP molecule.
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Where does Calvin cycle take place
Answers
Answer:
Calvin cycle take place in the stroma the inner space of chloroplasts
In house elves, droopy ears is an X-linked recessive trait. Kreacher’s brother, mom and dad all have pointed ears, but Kreacher was born with droopy ears. Kreacher’s maternal grandfather also had droopy ears while his grandmother had normal pointed ears. Kreacher wonders how he ended up with droopy ears like his grandpa.
Indicate the genotypes for Kreacher, his mom, dad, brother, and grandfather. (2.5 marks)
Draw the pedigree for Kreacher’s family. Be sure to label generations. (4.5 marks)
No Links please or action will be taken
Answers
Answer:
Explanation:
generation 1
R R
r Rr Rr
r Rr Rr
generation 2
R r
R RR Rr
r Rr rr
What is the difference between malleable and ductile
Answers
What happens to oxygen as air pressure decreases?
Answers
In a California kelp forest, the garibaldi, the purple sea urchins, and the rocks make up whic of the following? Select all that apply.
a population
part of a community
part of an ecosystem
Answers
Part of a community
Part of an Ecosystem
In a California kelp forest, the garibaldi, the purple sea urchins, and the rocks make up part of a community and part of an ecosystem. Therefore, option B and C are correct.
What is ecosystem ?All the organisms and the physical setting they interact with make up an ecosystem. The nutrition cycles and energy flows connect these biotic and abiotic elements. Photosynthesis is how energy enters the system and is absorbed by plant tissue.
Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, and other species are biotic factors.
Healthy ecosystems maintain our soil, clean our air, control the climate, recycle nutrients, and give us food. They offer resources and raw materials for making medications and other things. They support our economies and are the cornerstone of all civilizations.
Thus, option B and C are correct.
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Explain the mechanism of enzyme action in cell
Answers
Answer:
An enzyme attracts substrates to its active site, catalyzes the chemical reaction by which products are formed, and then allows the products to dissociate (separate from the enzyme surface). The combination formed by an enzyme and its substrates is called the enzyme–substrate complex.
Hope this helped :)
The kind of genes an organism possesses is dependent upon the?
Answers
Answer:
The kind of genes an organism possesses is determined by the order of the nucleotide bases in the organism's DNA.
Explanation:
:0
:)
Peppered moths come in two color variations, as shown below.
Prior to the Industrial Revolution, the majority of the population in England consisted of the light colored variation. The dark colored moth became the dominant variation by the end of the 20th century and remained so for almost 100 years. Today, the light colored variation is dominant again.
What is the best explanation for this?
A. Populations with two variations have a better chance of survival than populations with more.
B. A single variation can be beneficial under some conditions and harmful under other conditions.
C. One variation will always be harmful, and the other will always be beneficial.
D. A single variation can be beneficial in all conditions or harmful in all conditions.
Answers
The answer, I do believe, should be option B. Here's my reasoning...
The question doesn't ask about a bunch of other species and how the moth variations relate to the survivability of many species, so I think that rules out option A. Option C is too black-and-white, because the explanation above simply states how a moth was able to survive better on different color variations. The last option, D, is also too black-and-white. So I believe that the answer is B, because sometimes, like prior to the Industrial Revolution, the one variation is better (as seen in the upswing of dominance in different variations).
What is the best measure of biodiversity? Is it
• the total number of species in an area
• the even distribution of species across that area
• whether or not rare species are present
• Whether or not the species have different “functions” in the ecosystem?
Answers
What are the two main forces that cause soil erosion?
A. Water and wind
B. Plate tectonics and earthquakes
C. Plate tectonics and water
D. Earthquakes and wind
Answers
Answer:
A. Water and Wind
Explanation:
Running water is the leading cause of soil erosion because water is abundant and has a lot of power. Wind is also a leading cause of soil erosion because wind can pick up soil and blow it far away.
hope this helps!
Identify the sedimentary rock composed of halite and explain how this rock is usually formed.
Answers
The sedimentary rock composed of halite is known as rock salt, and it is usually formed by the process of evaporation, and rock salt is formed in environments where there is a high concentration of salt in water.
What is rock salt?Rock salt is formed in environments where there is a high concentration of salt in water, such as salt lakes, shallow seas, or salt pans, and when the water in these environments evaporates due to high temperatures and low precipitation, the dissolved salt in the water is left behind and forms deposits. These deposits can be buried by sediment over time and eventually become compacted and cemented to form rock salt. Rock salt is made up almost entirely of the mineral halite, which is composed of sodium and chlorine ions.
Hence, The sedimentary rock composed of halite is known as rock salt. It is usually formed by the process of evaporation.
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