Answer:
Phosphorus forms parts of important life-sustaining molecules that are very common in the biosphere. Phosphorus does enter the atmosphere in very small amounts when the dust is dissolved in rainwater and seaspray but remains mostly on land and in rock and soil minerals.
Plants store….
of the energy absorbed from the sun.
Answer:
Inside the plant cell are small organelles called chloroplasts, which store the energy of sunlight.
Within the thylakoid membranes of the chloroplast is a light-absorbing pigment called chlorophyll, which is responsible for giving the plant its green color.
a single layer of irregulary shaped cells are known as the?
it might be cell membrane
: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
53) The anatomical arrangement of the kidney that allows transfer of solutes from one blood vessel to another is called the ________.
The anatomical arrangement of the kidney that allows transfer of solutes from one blood vessel to another is called the renal portal system.
The glomerular capillaries and the peritubular capillaries are a part of the renal microcirculation, a network of tiny blood vessels in the kidney. In order to create glomerular filtrate, a protein-free fluid, the glomerular capillaries, specialized blood vessels, filter blood under intense pressure.
The peritubular capillaries, which are very small blood vessels that surround the renal tubules and exchange materials with the tubular fluid and reabsorb water and solutes, are located around each renal tubule.
Nitric oxide, prostaglandins, the renin-angiotensin-aldosterone system, various vasoactive peptides and hormones, as well as local and systemic factors, all interact intricately to control the renal microcirculation.
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A segment of DNA is known to contain the following base sequence:3' GATACCTTTGTGTAGTCATCTT 5'a) Write the mRNA that would be transcribed from this DNA fragment.b) Circle the starter and the stopper in your mRNA sequence. Write the sequence of amino acids which would be encoded in translation. Use the mRNA codon table provided.c) Where in the cell do transcription and translation occur?
a) In order to transcribe the segment of DNA, it is important to note that this process is important for gene expression as a protein. An enzyme called RNA polymerase moves along the DNA until the end of the gene, releasing the mRNA. The DNA has two strands: one that goes from 5' to 3' direction, and another one that goes from 3' to 5' direction. The one that's used for transcription will always be the 3' to 5' one, so we already have the correct strand to work with, as it is a 3' to 5' strand.
However, the mRNA will be assembled in the 5' to 3' direction. Using the same complementary base-pairing rules as in DNA, we will pair Cytosine (C) with Guanine (G), but as there is no Thymine (T) in RNA, we will pair Adenine (A) with Uracil (U).
Therefore, the sequence o mRNA read in the 5' to 3' direction is:
5' CUAUGGAAACACAUCAGUAGAA 3'
b) The starter codon is the AUG codon of a messenger RNA (mRNA). Therefore, the sequence of amino acids will start to be decoded there.
The stopper codon can be one of the three following options: UAA, UAG or UGA. In this case, we can only find the UAG codon.
The codons, then will be:
AUG GAA ACA CAU CAG UAG
Then, we can say that the amino acids translated will be:
Met Glu Thr His Gln
(Methionine - Glutamine - Threonine - Histidine - Glutamine
c) In eukaryotes, transcription occurs inside the nucleus of the cell and translation occurs in the cytoplasm.
the change in the electrical balance between the intra- and extra-cellular fluid that occurs when a neuron sends a message is called the _______ potential
The change in the electrical balance between the intra- and extracellular fluid that occurs when a neuron sends a message is called the action potential.
During an action potential, there is a rapid and temporary reversal of the electrical charge across the cell membrane of a neuron. This change in electrical potential is crucial for the transmission of signals along the length of the neuron and for communication between neurons. The action potential is initiated by a stimulus that triggers the opening of ion channels, allowing the influx of positively charged ions such as sodium and the efflux of positively charged ions such as potassium.
This sequence of events leads to a rapid depolarization and subsequent repolarization of the neuron's membrane, generating the action potential. The action potential allows for the transmission of information along the neuron and is a fundamental process in neural communication.
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The action potential refers to the shift in the electrical balance between the intracellular and extracellular fluids when a neuron transmits a message. It initiates by shifting the neuron's membrane potential, which is regulated by sodium-potassium pumps. A neuron in its resting state maintains a resting potential; when it picks up a signal, the internal charge becomes more positive, thus stimulating the action potential.
Explanation:The shift in the electrical balance between the intracellular and extracellular fluid when a neuron conveys a message is termed the action potential. This action potential sets off by altering the neuron's membrane potential, which is made possible by the existence of different ion concentrations within and outside the neuron due to the diligence of sodium-potassium pumps. These pumps work to maintain a steady membrane resting potential, in return for a cost of energy.
A resting potential state, where the neuron membrane's potential exists in readiness, is maintained when the neuron is in its inactive state. When a neuron picks up a signal, it undergoes a sharp state change - the cell's interior becomes more positive due to an influx of Na+ ions. When the internal charge hits the threshold of excitation, the neuron turns active and the action potential initiates.
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Help me with this bs packet thing
Joe wants to know if birds prefer to eat in one
place over another. He fills three feeders with the
same amount of mixed birdseed, and will keep the
feeders out for 10 days before measuring how
much seed is eaten. He puts one feeder in the
grass, one in a dead tree, and one in a bush.
What is the dependent variable?
A. Amount of time feeders are outside
B. Location of the birdfeeders
C. Amount of seed eaten
D. Type of bird seed
Answer:
amount of bird seed eaten...
Explanation:
The dependent variable in this experiment is the amount of seed eaten. Therefore option A is correct.
The dependent variable is the variable that is being measured or observed in an experiment and is expected to change as a result of manipulating the independent variable.
In this case, the independent variable is the location of the birdfeeders (B), which Joe is testing to see if birds prefer to eat in one place over another.
By measuring the amount of seed eaten, Joe can determine if there is a difference in bird feeding preferences based on the location of the feeders.
The other options, A. Amount of time feeders are outside and D. Type of bird seed, are not directly relevant to the question of whether birds prefer one location over another.
Therefore option A Amount of time feeders are outside is correct.
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To increase the strength of a nerve signal, neurons will
A. increase the frequency of the action potential.
B. increase the voltage of the action potential.
C. decrease the frequency of the action potential.
D. decrease the voltage of the action potential.
To increase the strength of a nerve signal neurons will : ( A ) Increase the frequency of the action potential
What is a nerve signal
A nerve signal is a charge that runs through a nerve fiber and travels down to another neuron. As the strength of a nerve signal increases there is a proportionate increase in the frequency of the action potential because the strength of a nerve signal ( stimulus strength ) is directly proportional to the frequency of the action potential.
Hence we can conclude that To increase the strength of a nerve signal neurons will : ( A ) Increase the frequency of the action potential.
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why do you think many plants produce sweet nectar?
In some single-celled protozoans living in fresh water,
such as the paramecium, contractile vacuoles are
organelles are used to pump excess water out of the cell.
Explain why a paramecium would require contractile
vacuoles while a similar protozoan living in salt water
would not.
Paramecium needs contractile vacuole due to its different environment from other protozoan that lives in salt water.
Need of contractile vacuole for parameciumIn salt water, the solute concentration outside the cell is more than inside the cell so the water flows out of the cell down the concentration gradient. Therefore contractile vacuoles are not required for expelling water for most protozoan living in salt water.
While on the other hand, paramecium lives in fresh water so contractile vacuole is required for removing excess water so we can conclude that paramecium needs contractile vacuole due to its different environment from other protozoan that lives in salt water.
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a little summary how ultraviolet light could be the answer to the future outbreak
( Two paragraphs).
Ultraviolet light can be the answer to future outbreaks because it has the capability to kill the microorganisms present in air and thus can prevent the infectious diseases caused by them.
Ultraviolet light is the EM radiation with the wavelength range 10 nm to 400 nm. It is already being used in research labs for maintaining the microbe free environment. Researches are also being conducted to produce such ceiling lights that can be used normally in households so that the the air-borne microorganisms can be killed.
Microorganisms are the small living organisms not visible to the unaided eyes. They have the strong capability to produce their new variants by mutation and cause infectious diseases. The ultraviolet light can kill them even before they are able to transform themselves.
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Which of the following best describes the cell cycle?
A. the steps for a cell to become specialized
B. the path a cell travels in the body
C. the steps a cell undergoes between its formation and its next division into new daughter cells
D. the journey of a cell from life to death
Answer: C.
Explanation:
Out of all of the answer choices, answer C most properly describes the cell cycle.
What wind happens during the night at the beach
Answer:
Land breeze, a local wind system characterized by a flow from land to water late at night. Land breezes alternate with sea breezes along coastlines adjacent to large bodies of water. Both are induced by differences that occur between the heating or cooling of the water surface and the adjacent land surface.
Explanation:
Answer:
A land breeze
Explanation:
i need help with this question that is on my homework, is it ok if someone helps me please. thanks to anyone who helps! :)
Xavier drew a diagram to compare the roles of oxygen and hydrogen in photosynthesis.
Which label belongs in the area marked X?
Enters plant as a part of the water
Combines with carbon dioxide
Is released into the air through stomata
Is stored in leaves for later use
Answer:
Is released into the air through stomata
Explanation:
Oxygen and hydrogen both exists as gaseous molecules in the atmosphere. However, one of them (oxygen) is a product of photosynthesis while the other (hydrogen) is one of the constituents of the molecule that starts the process of photosynthesis.
According to this question, the X used in the attached diagram is the role of oxygen in photosynthesis. Oxygen is released as a product of photosynthesis and goes out of the plant into the air via the STOMATA. Hence, the gas released into the air via stomata is OXYGEN.
Answer:
C. Is released into the air through stomata
Explanation:
:3
In which direction does heat always flow
C What is the important of making prority
Answer:
Priorities will guide you in life's decisions and keep you on track. Most importantly, priorities will give you the confidence to say "no." They help you identify what's truly needed in your life, versus what someone else feels is important.
Answer:
The importance of it are Establishing priorities is necessary in order to complete everything that needs to be done. Prioritization is important because it with allow you to give your attention to tasks that are important and urgent so that you can later focus on lower priority tasks.
If we consider a trait affected by variation at two loci, and there is no epistasis.a. trueb. false
Every time two or more loci work together to produce a new phenotype trait . Every time an allele at one locus obscures the effects of alleles at one or more other loci.
How is variety impacted by epistasis?Epistasis, on the other hand, makes additive effects genotype-dependent, allowing the impact of new mutations to fluctuate with the mean. As new alleles brought about by mutation grow prevalent enough to interact with one another, the genetic variation will eventually evolve in an unpredictable way.
What is the basis for epistasis?Epistasis frequently affects a particular allele, or version, of a gene. The function of the protein that the allele genes for determines whether epistasis occurs.
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9. Organelles that make proteins by putting together chains of amino
acids A. Ribosomes B. Mitochondria C. Golgi complex D. Vacuole E.
Lysosomes F. endoplasmic reticulum *
Answer:
Ribosomes
Explanation:
Ribosomes link amino acids together to form proteins.
The ribosomes are responsible for carrying out the process of translation . They read the information stored in a molecule of mRNA and use that information to build a protein.
Hope this helps
Over 470,000 cases of cholera were reported in Haiti in the two years following the 2010 earthquake. Which of the following was the most likely mode of transmission
Based on the information provided, the most likely mode of transmission for the reported cases of cholera in Haiti after the 2010 earthquake would be through contaminated water or food.
Cholera is a bacterial infection caused by the ingestion of contaminated water or food that is contaminated by the bacterium Vibrio cholerae.
After a natural disaster like an earthquake, water and sanitation systems are often severely damaged or disrupted, leading to a higher risk of waterborne diseases like cholera. If the affected population lacks access to clean water sources or sanitation facilities, they may end up consuming water or food contaminated with the cholera bacteria.
In crowded and unsanitary living conditions, such as temporary settlements or refugee camps that can arise after a disaster, the risk of cholera transmission increases further. The close proximity of individuals in such settings can facilitate the spread of the disease through fecal-oral transmission.
Therefore, considering the high number of reported cholera cases in Haiti following the earthquake, the most likely mode of transmission would be through the consumption of contaminated water or food, exacerbated by the challenging living conditions and compromised infrastructure resulting from the disaster.
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Bees and Fungicides - CER i have 70 points Watch the HHMI Video: Effects of Fungicides on Bumble Bee Colonies CLAIM EVIDENCE REASONING Opinion: What should be done based on this information? Extension: Develop at least one new question related to bee colonies that could be tested. i have 70 points
Answer:
Use a connects app.
Explanation:
PLSSSS HELPPP!! What is one way that bacteria is essential to the cycling of nitrogen in an ecosystem, helping to maintain the overall health of the ecosystem? *
They release oxygen for plants to use during photosynthesis.
They fix nitrogen into a usable form for plants and animals.
They produce ammonia and nitrites for respiration.
They assimilate carbon dioxide into the soil for plants.
Answer:
They assimilate carbon into the soil for plants
I am the series of regular changes that occur in
the ovaries to produce an ovum.
Answer:
ovulation
Explanation:
Answer:
Ovulation
Explanation:
Ovulation is the regular change that occurs in the ovaries to produce an ovum
what is the difference of transcription and translation
The translation is the process of protein synthesis where the information on RNA is expressed in the form of polypeptide chains. Transcription is the first step in gene expression. The translation is the second and final step of gene expression. Transcription occurs before translation
Which of the following structures is NOT found in both prokaryotes and eukaryotes?
Answer:
do you have a picture?
Explanation:
Which property is shared by all living things?
Answer:
Living things have a variety of characteristics that are displayed to different degrees: they respire, move, respond to stimuli, reproduce and grow, and are dependent on their environment.
Explanation:
How might the body treat viruses?
Explanation:
For most viral infections, treatments can only help with symptoms while you wait for your immune system to fight off the virus. Antibiotics do not work for viral infections. There are antiviral medicines to treat some viral infections. Vaccines can help prevent you from getting many viral diseases.
The structural formulas of amino acids are the same EXCEPT for the A) amino group. B) side chain or R group. C) hydrogen bonding D) carboxyl group. E) alpha carbon
The structural formulas of amino acids are the same except for the side chain or R group, which differentiates one amino acid from another.
Answer choice B is correct. The structural formulas of amino acids consist of a central carbon atom, known as the alpha carbon, which is bonded to four different groups: an amino group (NH2), a carboxyl group (COOH), a hydrogen atom (H), and the side chain or R group.
The side chain varies among different amino acids, giving each amino acid its unique properties and chemical characteristics.
The amino and carboxyl groups are present in all amino acids, while the hydrogen atom and alpha carbon are also consistent components. Therefore, the side chain or R group is the distinguishing factor that sets one amino acid apart from another.
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amino acids are the basic elements used in the synthesis of ______.
Amino acids are the basic elements used in the synthesis of proteins. Proteins are composed of linear chains of amino acids that are held together by peptide bonds.
What is synthesis of proteins ?Synthesis of proteins is the process of forming proteins from amino acids. Proteins are polymers made up of amino acids that have been linked together through a process called peptide bond formation. During this process, the amino acids are joined together in the order specified by the genetic code from a gene. This code is then translated by the cell’s ribosomes, which are protein-synthesizing machines. The resulting polypeptide is then folded into a 3D structure, where it can become an active protein, which can carry out specific functions within the cell. Synthesis of proteins is a complex process that is tightly regulated at the molecular level.
Amino acids are joined together by a condensation reaction which involves the removal of a water molecule. The resulting bond is known as a peptide bond, which is a type of covalent bond between two amino acids. The amino acid sequence of a protein determines its structure and function.
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PLEASE HELP!!!!!!!!!!!
Which part of the nervous system is outside the brain and spinal cord?
____nervous system
Which part of the nervous system includes the brain and spinal cord?
____nervous system
1) peripheral nervous system
2) central nervous system