Which of the following statements is correct? *
Protons are found in the nucleus of an atom
Neutrons are negatively charged
Protons are negatively charged
Electrons are found in the nucleus of an atom
Answers
Related Questions
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Answers
Answer:
4
Explanation:
It makes sence when you look at it more
Answer:
4
Explanation:
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Study the dashed arrows in the image.
What causes the arrows to move in this direction?
Earth rotating
air moving to the poles
Earth’s equator
wind moving over short distances
Answers
Answer:
Earth rotating (option A)
Explanation:
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8. Which organisms are responsible for changing atmospheric nitrogen gas to
ammonium and then into nitrate and nitrite?
Answers
Answer:
Will this help ??
Explanation:
Nitrogen-fixing bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to ammonia. Nitrifying bacteria convert ammonia to nitrites or nitrates. Ammonia, nitrites, and nitrates are all fixed nitrogen and can be absorbed by plants.
The leaf layer containing chloroplast is:
phloem, xylem, cuticle, or palisade
Answers
Answer: Palisade
Explanation: The epidermis is a protective layer of cells and contains no chloroplasts. The palisade layer contains the most chloroplasts as it is near the top of the leaf. The chloroplasts contain the pigment chlorophyll. The palisade cells are arranged upright.
18. The structural diagram demonstrates two joined amino acids.
Which arrow points to the peptide bond?
A.3
B.1
C.4
D.2
Answers
Answer:D
Explanation:
The structural diagram demonstrates two joined amino acids, and the arrow points 2 to the peptide bond, which is in option D, as a peptide bond is a type of covalent chemical bond that is formed between two amino acids when the carboxyl group of one amino acid reacts with the amino group of the other amino acid.
What is a peptide bond?The resulting bond that is formed between the two amino acids is called a peptide bond, and the resulting molecule is called a dipeptide. As more amino acids are added to the chain, a polypeptide is formed. The peptide bond is a strong covalent bond that holds the amino acids together in the polypeptide chain. It is important for determining the structure and function of proteins.
Hence, the structural diagram demonstrates two joined amino acids, and the arrow points 2 to the peptide bond, which is in option D, as a peptide bond is a type of covalent chemical bond that is formed between two amino acids when the carboxyl group of one amino acid reacts with the amino group of the other amino acid.
Learn more about the peptide bond here.
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Activity
In this activity, you will research the genetic diversity in two fish variants. The Mexican tetra (Astyanax mexicanus) has two notable variations: the surface variety and the blind cave fish variety. In this activity, you’ll use credible websites to find the following information about these two fish:
What type of habitat does each fish live in?
How do their physical characteristics differ?
How are they similar?
Can the two types mate with each other?
Why are their characteristics advantageous to their environments?
When you’ve found the information, answer the following questions.
Part A
What are the similarities and differences between the two fish varieties?
Answers
Answer:
The surface fish lives near the surface of the water, but the blind fish live in caves.
Explanation: yes
Answer:
The surface fish live near the surface of the water, and the blind cave fish live in dark subterranean caves. The surface fish have eyes and pigmentation on their bodies. The blind cave fish don’t have eyes, and they’re often albinos.
Explanation:
This is the sample naswer dont get marked for plagairism.
some cells take in ________________ using endocytosis .
a.Carbon dioxide
b.Waste
c.Viruses
d.Water
Answers
HELP ASAP
The word _____ is defined as the point at which an astronomical object is at its closest point to the object it rotates around.
A.equinox
B.solstice
C.perihelion
D.aphelion
E.tide
Answers
Answer:
Equinox.
Explanation:
Is when it is the closest.
Answer:
Answer is C
Explanation:
is perpendicular to line segment hy if the length of EF is a units, then the length is units?
Answers
Answer:
AB is perpendicular to [GH] and GH is [A]
Explanation:
How are geotropism and phototropism similar _____.
They both affect plants.
They are both controlled by auxins.
They both can be negative or positive.
All of the above
Answers
All of the above is the answer
Answer:
the answer is all of the above! :)
The oxygen pulls harder on the shared electrons than hydrogen. The result of this is that the hydrogen have a __________?
None of the above
Partial negative charge
Partial positive charge
Answers
Answer:
b
Explanation:
Partial negative charge
Please answer!!!
A b c or d
Answers
Answer:
I'll give this a shot I think it's B!
Explanation:
I will give you brainliest if you answer this question.
The Mid-Atlantic Rift was formed from a hot spot volcano.
Q: True or false?
Answers
Answer:
False
Explanation:
Iceland was formed from volcanic eruptions on the Mid-Atlantic ridge. ... the hot spot that is under Iceland, makes the country highly active in volcanic activities.
Answer:
hi how are you
Explanation:
hi what's up
what’s the similarities of red bloods cell and animal cells
Answers
Answer: they both have a:
Nucleus. The nucleus can be thought of as the cell's headquarters.
Plasma membrane. To ensure each cell remains separate from its neighbor, it is enveloped in a special membrane known as the plasma membrane.
Cytoplasm.
Lysosomes and peroxisomes.
Cytoskeleton.
Endoplasmic reticulum.
Golgi apparatus.
Mitochondria.
When offspring produced by sexual reproduction move into different environments, new species sometimes emerge over time. Which characteristic of sexual reproduction allows this result to occur?
A) speed with which offspring are produced
B) number of offspring produced
C) diversity of the offspring produced
D) size of the offspring produced
Answers
Answer:
c) diversity of the offspring produced.
Explanation:
Because sexual reproduction involves gametes (sex cells with only half the number of chromosomes), each offspring produced is genetically unique (as they get a random selection of chromosomes from both parents). This allows mutations to occur, which may be beneficial (or not) in the environment. Over time, the offspring that have the favourable characteristics will survive more easily to reproduce, whereas those with less helpful characteristics will not. This means that the favourable characteristics will be passed on to the next generation, while the less favourable ones will not be time. If this occurs for many generations, a new species may emerge.
Which statement provides a conclusion about the transport of water in and out of cells based on the results of the student's experiment? A. Water moves freely both inside and outside the cell independent of the solute concentration. B. Water movement into the cell is dependent on the percent concentration of solutes both inside and outside the cell. C. Water transports solutes out of the cell to balance the percent concentration of solutes both inside and outside the cell. D. Water moves into the cell solutes move out of the cell to ensure their concentration is balanced both inside and outside the cell.
Answers
Answer:
B.
Explanation:
The transport of water in and out of cells based on the percent concentration of solutes both inside and outside the cell.
The movement of water in and out of the cell is called osmosis. In the process of osmosis, water or solvent moves from low to high concentration of solute (towards high solute concentration). For example, if a cell is placed in a salt (solute) solution, the water will move out of the cell or towards high salt concentration and the cell will get shrink.
Hence, the correct answer is "B."
a) Why did some of the komodo dragon's eggs not hatch?
Answers
Answer:
most likely they were not fertile.
After transcription, the new mRNA strand travels to the cytoplasm and over to the ___________ where the genetic code will be translated into amino acids.
nucleus
cell membrane
ribosomes
golgi bodies
Answers
After transcription, the new mRNA strand travels to the cytoplasm and over to the RIBOSOMES where the genetic code will be translated into amino acids.
During gene transcription, a specific fragment of DNA called gene is used to produce a complementary messenger RNA (mRNA) sequence in the cell nucleus.
Subsequently, this mRNA travels to the cytoplasm where it is used as a template to synthesize a polypeptide chain in the ribosomes by a process called translation.
Ribosomes are protein factories that read the genetic code in the mRNA sequence (i.e., the codons of the mRNA) to translate it into the correct order of amino acids of the protein.
In conclusion, after transcription, the new mRNA strand travels to the cytoplasm and over to the RIBOSOMES where the genetic code will be translated into amino acids.
Learn more in:
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PLEASE HELP MEE GUYSSS
Answers
Answer:
Im pretty sure that It is A
Explanation:
Brainliest?
Compare and contrast connective tissue and muscular tissue.
Answers
Answer:Connective tissue integrates the various parts of the body and provides support and protection to organs. Muscle tissue allows the body to move. ... Different types of tissues form membranes that enclose organs, provide a friction-free interaction between organs, and keep organs together.
Explanation:
39
5 points
9. A family is looking to see how much of their electricity bill is coming from their clothes washer and drier. The washer uses 1500 watts and the clothes drier uses
2000 watts and the family pays $.10 per kilowatt-hour. The appliances runs approximately 30 minutes each day(total together). How much does the family spend
per week to run both these appliances? Show set up with units
Answers
Answer:
Per week expenses = $73.5
Explanation:
Given:
Washer uses = 1500 watts
Drier uses = 2000 watts
Kilowatt-hour = $0.10
Find:
Per week expenses
Computation:
Total uses = 1500 + 2000
Total uses = 3500
Week uses = 3500(30)(7)
Week uses = 735000
Per week expenses = (735000)(0.10)/(1000)
Per week expenses = $73.5
Besides carbon, which other element is moved through the atmosphere, biosphere, and geosphere via the carbon cycle?(1 point)
nitrogen
hydrogen
oxygen
helium
Answers
Nitrogen is moved through those three
How is energy transferred from one organism to another ? A. by one side draining the energy of the other organism B. by one organism eating another organism C. by one organism giving the other one energy D. by one organism attacking the other organism
Answers
A molecule has been isolated from a cell. The molecule's structure has a three dimensional shape and is made of folded chains of amino acids. The function of this molecule is enzymatic catalysis of glycolysis. An analysis of this molecule would show that it contains which of these elements that would NOT be found in carbohydrates
Answers
Answer:
Nitrogen.
Explanation:
Although the options for this question is not available,the major food molecules of Carbohydrate,Protein ,and Lipids all contain the elements C,H,O.
However,Nitrogen is the only elements that is present in Protein,but absent in the other food molecules.Consequently,Nitrogen is answer.
The Nitrogen forms the Amine-NH2 - of protein.
The fact that the molecular structure has a 3-D shape,with folded chains of amino acids,it show that it is protein of tertiary structure.Although enzymes are globular proteins but of tertiary structure.
Tertiary proteins are 3-D and the R-groups interacts with each other for distinct chemical structure
.
Which particles are NOT included in determining the mass of an atom?
Neutrons
Nucleus
Protons
Electrons
Answers
Answer:
Electrons
Explanation:
The neutrons and protons are found in the nucleus of an atom to find the atomic mass.
pleas help thanks sssssss
Answers
Answer:
yes
Explanation:
keeping your body temperature at an average of 98.6 °F is an example of what?
Answers
Answer:
Thermoregulation
Explanation:
The body can maintain its temperature within certain boundaries, even when the surrounding temperature is very different. Hope i was able to help
Scientists use many different methods of investigation. When possible, scientists want to actually experiment or observe an event. Which method is useful when developing a
scientific reasoning for an event that cannot be studied directly?
Conduct a field survey of bird populations in an area
Observe the effect of various fertilizers on corn crop yields
Use a computer model to study how the ocean liner Titanic sank
Use a wind tunnel to measure air drag on various types or automobiles
Answers
Answer:
Observe the effect of various fertilizers on corn crop yields
Explanation:
I think I'm right
Answer:
Observe the effect of various fertilizers on corn crop yields
Explanation:
20 POINTS!!!!!!! PLEASE HELP ASAP!!!!!!!!!!!!!
Answers
Answer: for b, genetics variations are not always influenced by enviromental factors, but also by genes.
Explanation:
How do I be happy lol
Answers
Answer:
By getting a life
Explanation: