Answer:
e is correct
Explanation :
Phosphorus is critical because this element is required for enzymatic activities that take place during glycolysis, in the metabolism of glutamine to form ammonia (ammoniagenesis) and also in oxidative phosphorylation, where the cells produce energy from the generation of ATP from ADP.
In serum (blood plasma), the inorganic phosphate is combined with oxygen (O2) to form diverse types of phosphates (PO4) molecules that play key functions in muscle activity, nervous system development, and bone growth.
Serum phosphate is a critical buffer that maintains the acid‐base balance in the urine. The serum phosphate level in an adult must be in the range of 2.5 to 4.5 mg/dl, being higher levels indicative of hyperphosphatemia. This inorganic phosphate has important functions during the ATP synthesis, cyclic AMP, post-translational modification (i.e., protein phosphorylation), and also as an intracellular buffer.
______ is the process responsible for the situation above. This process can cause DNA to change in many ways. Three such ways are ______, _____, and _____.
Answer:
Explanation:
Mutation can cause a change in DNA to change in many ways.
Mutation is the sudden change in the genome of an organism that can be heritable from parent by their offspring.
Missense mutation - This occur when a base pair is substituted for by another leading to the formation of an entirely new amino acid.
Nonsense mutation - This occurs when a base pair is substituted for by another leading to the formation of a new amino acid. The new amino acid form therefore send a stop signal to the sequence of amino acid been built.
Insertion or deletion - Insertion mutation inserts new base pair into the sequence changing the number of the DNA base while deletion deletes a base pair changing the number of DNA base from the amino acid sequence.
negatives about gypsy moths?
Answer:
Gypsy moths do not kill trees directly they defoliate them. Severe defoliation can add to other stresses such as weather extremes or human activities. This cumulative stress can leave trees vulnerable to disease or other pest infestation that can cause death.
Explanation:
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Answer:
The rise of the gypsy moth population will eventually kill many trees, as they won’t be able to perform photosynthesis. This event will negatively affect the lumber and construction industries, as well as the beauty of public and private landscapes.
Explanation:
PLATO
The transport of water from the roots to the leaves of a green plant against the force of gravity is facilitated by
a. adhesion
b. cohesion
c . surface tension
d . capillary action
4. Compare and contrast aerobic cellular respiration and anaerobic cellular respiration: what are the steps of each and how much ATP is made in each step? What energy/electron carriers are made in each step, and how many? What types of organisms are used to make alcohol and yogurt, and what type of respiration is yogurt and alcohol making?
Answer:
Explanation below
Explanation
It should be understood that respiration is the process whereby organisms exchange gases with their environments.
And the two types are aerobic and anaerobic respiration.
Aerobic respiration is the type of respiration that occurs in the presence of oxygen, while the anaerobic respiration is the type of respiration that occurs in the absence of oxygen.
The examples of organisms that are used in making alcohol and yoghurt are Sacharomyces cerevisae, which is yeast, and Lactobacilli spp respectively.
(e) Predict the effect of the removal of the final electron acceptor on the rate of carbon fixation by the chloroplast. Justify your prediction
Answer:
The ATPs produced during Chemeiosmosis, in the chloroplast is needed during Calvin cycle to fix carbon for production of CHO, protein and fats during conversion of 3C-glyceride phosphate(GP) to 2C- triose phosphate.(TP) .
The ATPs is needed for this reduction to take place in the presence of NADPH(which is oxdized to NADP).
Therefore, if the final electron acceptor is removed, there will be no electron transport chains which generated the PMF, for pumping H+ across into the thylakoid membrane of the chloroplast, to generate the electrochemical gradients, needed for the energy for ATPase synthase enzymes,to synthesize ATPs production.
Therefore, the removal of the electron acceptor (oxygen) leads to stoppage of electron transport chain, and hence loss of ATP s, and therefore, no Carbon fixation as CHO, or protein, or fats.
Explanation:
A bacterium synthesizes DNA from each replication fork at a rate of 1000 nucleotides per second. This bacterium completely replicates its circular chromosome by theta replication in 30 min. How many base pairs does the chromosome contain
Answer:
180,000 nucleotide pairs = 180 kilobase pair (kbp) = 0.18 Megabase pairs (Mbp)
Explanation:
Synthesis rate = 1,000 nucleotides (nts) x second
1 minute = 60 seconds
30 minutes = 60 x 30 = 1,800 seconds
>> 1,800 seconds x 1,000 nuleotides per second = 180,000 nts
A typical bacterial genome contains approximately 5 Mbps of DNA that conforms a circular chromosome localized in the cytoplasm. In consequence, in this case the bacterial genome is small (0.18 Mbp).
DNA replication is a process in which the fragment gets replicated to form two indistinguishable replicas of itself. It is vital for the growth and passing of hereditary information to the newly produced daughter cells.
180,000 nucleotide pairs are formed in the replicating bacteria.
This can be calculated by:
[tex]\text{Synthesis rate} & = 1,000 \;\text{nucleotides (nts)} \times \text{ second}[/tex]
We know that 1 minute = 60 seconds So, 30 minutes = 60 x 30 = 1,800 seconds[tex]\text{1,800 seconds} \times \text{ 1,000 nucleotide per second} & = 180,000 \;\text{nts}[/tex]
The bacterial genome thus produced will have 180,000 nucleotide pairs or 180 kilo-base pairs (kbp) or 0.18 Megabase pairs (Mbp) in the chromosome.
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*Penguins are adapted to live in the antarctic. Which of the following is
NOT true?
A)The dark coloured feathers reflect heat from the sun
B)Their webbed feet make them powerful swimmers
C)They have overlapping feathers to waterproof them
D)They have thick skin and lots of fat to keep them warm
Answer:
B their webbed feet make them powerful swimmers
Which of these factors will affect the friction on a road?
a) Oil
b) Water
c) Ice
d) all of the above
Answer:
all of the above
Explanation:
Oil,Water and Ice
all of these will affect the friction on the road.
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Answer:
D-all of the above
Explanation:
Force of friction is the force which opposes the motion of an object over a surface
The force of friction acts between the object and the surface.
A ball rolling on ground gradually slows down and comes to rest due to force of friction between the ball and the ground.If we stop pedaling a bicycle, it gradually slows down and comes to a stop due to force of friction between the wheel and the road.In humans, oculocutaneous (OCA) albinism is a collection of autosomal recessive disorders characterized by an absence of the pigment melanin in skin, hair, and eyes. That is, normal pigmentation (A) is dominant over albinism (a). For this question, assume it is a single gene with two alleles. Assume it is a single gene with two alleles. If two people have normal pigmentation, what possible phenotypes may be observed in their offspring?
Answer:
The definition of the problem is listed in the explanation segment below.
Explanation:
The parent phenotype is an albino on every one of them. Albino gene seems to be located primarily while it has its whole genotypes in such a recessive state called "aa". When this trait becomes autosomal, it does have an equivalent amount of alleles across both parent members. The gametes including its albino genotypes.⇒ [tex]Mother \ aa\times Father \ aa[/tex]
⇒ [tex]a\times a[/tex]
Genotype including its offspring - albino. Well, all offspring will also have albino phenotypes.So that the above is the right answer.
A paramount scientific finding by Mark Rosenzweig found that, compared to control rodents, rodents raised in enriched environments had:
a. increased cortical mass, increased numbers of neurons, increased synaptic connections, increased neurotransmitter amounts, and increased myelination.
b. increased cortical mass, increased numbers of neurons but decreased synaptic connections, decreased neurotransmitter amounts, and decreased myelination.
c. decreased cortical mass, decreased numbers of neurons yet increased synaptic connections, increased neurotransmitter amounts, and increased myelination.
d. decreased cortical mass, decreased numbers of neurons, decreased synaptic connections, decreased neurotransmitter amounts, and decreased myelination.
Answer:
The correct option is a. "increased cortical mass, increased numbers of neurons, increased synaptic connections, increased neurotransmitter amounts, and increased myelination. "
Explanation:
Rodents that have been raised in enriched environments were found to have thicker cerebral cortex containing approximately 25% more synapses in a study conducted by Mark Richard Rosenzweig. This increase in synapses implies in an increase in neurons and neurotransmitters, which also indicates an increase in myelination.
The table below compares three galaxies the information about galaxies is correct in
Answer:
A. Column 1
Explanation:
The information in column 1 is correct for all galaxy but information in coulmn 2 and Column 3 has some incorrect information about Elliptical galaxy.
Information about spiral galaxy is correct in all three columns that spiral galaxy has pinwheel shape and made up of several stars, dust and gas particles hold together by gravitational force.
Elliptical galaxy has round or oval shape and made up of mostly old stars and do not have much gas and dust particles which are hold together by gravitation force and not by electrical force.
Irregular galaxy has no defined shape as of spiral and elliptical and are made up of large amount of gas and dust and forms new stars which allow them to look brighter.
Hence, information in coulmn 1 is correct for all the galaxy.
Answer:
Column 1
Explanation:
list and explain the three classes of enzymes
Answer:
Oxidoreductases, transferases and hydrolases are the most abundant forms of enzymes.
Explanation:
A young man who works on a ranch and lives in the log bunkhouse experiences sudden fever with muscle aches. A few days later he begins to cough and have difficulty breathing, and goes to an urgent care clinic. His blood pressure is low. A blood sample reveals a low platelet count. A Gram stain of a sputum sample shows only a few small bacteria present. Which of the following is the most likely infecting agent?
A) Bacillus anthracis
B) Hantavirus
C) Histoplasma capsulatum
D) influenza
E) Mycoplasma pneumonia
Answer:
The correct answer is: B) Hantavirus.
Explanation:
Hantavirus is an infectious disease caused by a family of viruses that exist in rodents such as rats. These viruses can either cause Hantavirus Pulmonary Syndrome (HPS), especially in the Americas; or Hemorrhagic Fever with Renal Syndrome (HFRS), which is most common in Europe and Asia.
The young man described has symptoms that match the common symptoms of Hantavirus Pulmonary Syndrome, such as fever and muscle aches (known as the 'early symptoms'), as also coughing and having difficulty breathing (known as the 'late symptoms'). Some of these symptoms can easily be confused with Influenza, but the shortness of breath and the fact that the patient has a history of working and living in a rural environment suggest Hantavirus.
HPS also produces a low platelet count and high white cell count.
Infection by Bacillus anthracis is uncommon, plus the lack of symptoms that match the disease (such as a sore throat) and the existence of muscle aches in the patient (which does not match Anthrax) can help discard this option.
Histoplasma capsulatum is a fungus that can cause lung infection when its spores are inhaled. Its symptoms are similar to HPS but with the addition of red bumps in the legs and joint pain, not muscle aches.
Mycoplasma pneumonia is a bacteria that produces pneumonia. Most of its symptoms match the patient except for the lack of a sore throat.
how are messages carried throughout the human body from the brain to the nervous system
n
In order to extend the civil rights of slaves after the Civil War, the United States
banned slavery with the Fourteenth Amendment and created new protections with the Thir
banned slavery with the Fifteenth Amendment and created new protections with the Thirtee
banned slavery with the Thirteenth Amendment and created new protections with the Fourt
banned slavery with the Fourteenth Amendment and created new protections with the Fiftes
Answer:
C. banned slavery with the Thirteenth Amendment and created new protections with the Fourteenth Amendment.
Explanation:
e2021
The 14th Amendment to the U.S. Constitution, ratified in 1868, promised “equal protection of the laws” to all citizens, including former slaves, and extended citizenship to anybody born or naturalized in the country. Thus, option C is correct.
What is the civil war?War between established parties within the same state is known as an intrastate conflict or civil war (or country).
One side's objective may be to seize power in the nation or a specific area, secure regional independence, or alter governmental practices.
One of their allegations was that the Farm was operated in violation of the 13th Amendment, which forbids “slavery or involuntary servitude, except as a punishment for crime,” since it amounted to slavery.
Therefore, banned slavery with the Thirteenth Amendment and created new protections with the Fourteenth Amendment.
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One of the three amendments to abolish slavery that were approved during the Reconstruction era.
Since the human genome was first published in 2001, scientists have quickly improved genetic sequencing, generating genetic and genomic data for hundreds of organisms. As data collection improves, the ability to collect and process whole genome sequences is becoming cheaper and easier. The prospect of sequencing entire genomes of many different species brings up many ethical questions related to both social issues and political policies. Select the statements related to the use of genetic information that are not potential social or ethical issues in the United States??1. Genetically modified organisms (GMO) are used to increase vitamin A content in maize.2. Databases are created using genetic sequence data collected at crime scenes.3. Participants willingly donate their DNA for specific research purposes.4. Approved genetic screening methods are used to detect rare disease alleles in afflicted individuals.5. Genomic sequence data is used to identify genetic variants that may impact an individual\'s response to different medicines.
Answer:
2. Databases are created using genetic sequence data collected at crime scenes.
3. Participants willingly donate their DNA for specific research purposes
Explanation:
Genetic sequence is also used for solving the criminal cases by using any biological material that is collected during investigation at the crime scene. The crime department has forensic lab where these biological materials are tested. Sometime participants also donate their DNA for specific research and experiments in order to increase the knowledge about genetics so both have no social or ethical issues in the United States.
A tall sheep is crossed with a short sheep, and the progeny are all intermediate in size between
the two parental sheep. This could be an example of?
Answer:
Incomplete dorminance.
Explanation:
Incomplete dorminance occurs when two heterozygous alleles are expressed together which is as a result of dorminant alleles not completely masking the recessive alleles and the two alleles blend together and are expressed phenotypically.
The above question is incomplete dorminance because the allele for tallness in the sheep does not completely mask the allele for shortness and these two alleles blend together to produce intermediate progeny that are expressed phenotypically.
Why would a drop in blood pH have an undesirable effect on the proximal histidine's function?a. A drop in pH would make deprotonation more likely, and a deprotonated proximal histidine would be able to hydrogen bond to O2 to stabilize its binding to the heme.b. A drop in pH would make protonation more likely, and a protonated proximal histidine would not be able to donate its electron density to the iron atom.c. A drop in pH would make protonation more likely, and a protonated proximal histidine would not be able to hydrogen bond to O2 to stabilize its binding to the heme due to its positive charge.
Answer:
c. A drop in pH would make protonation more likely, and a protonated proximal histidine would not be able to hydrogen bond to O2 to stabilize its binding to the heme due to its positive charge.
Explanation:
Protonation refers to the addition of proton or H+ to the atom or molecule. If the pH of blood drop means acidic so it causes adverse effect on the function of proximal histidine because the proximal histidine gain proton and become cation. Due to this proton, proximal histidine is unable to make hydrogen bond between heme and oxygen and the blood is unable to transport more oxygen with hemoglobin from the lungs.
2. Is salt water alkaline or acidic?
Answer: hh
Explanation:hhh
A channel protein specific for calcium ions was found to have a pore lined with six glutamate residues that participate in coordinating the calcium ion. What would happen to the selectivity of the pore if the Glu residues were mutated to Asp residues
Answer:
If the mutation takes place, then the shorter side chains of asp compare to Glu will affect the permeability of the transport protein to calcium ions. Specifically, the mutation will increase the sizes of the pore,which in turn decreases the selectivity for calcium ion. Hence this affect excitability of the cell.
Explanation:
NASA’s Kepler mission found evidence of several potentially habitable exoplanets, raising the possibility that life may have evolved independently outside of our solar system. If NASA found a novel lifeform, we would expect it to use energy molecules based on similar principles as lifeforms on Earth. The organism would likely use molecules with _____________ bonds. It might use two separate molecules, one serving as a rapidly utilizable energy currency and another molecule serving as long-term energy storage.
a. high energy.
b. low energy.
c. hydrogen.
d. electrostatic
Answer:
c. hydrogen.
Explanation:
Earth is full of different substances. Hydrogen bonding is a partial inter molecular bonding between a lone pair and an electron rich donor. Some of the most important molecules here on earth are held by hydrogen bonding.
Hydrogen bonding is useful in inorganic and organic molecular combination.
Why do sex-linked traits follow different patterns of inheratance than other traits
Answer:
Males and females have different sex chromosomes.
Explanation:
Sex Linked trait is controlled by the chromosomes while other traits are controlled by autosomes. The autosomal cells and traits have a constant characteristics in a human being. The chromosomal cells however vary. The male chromosome XY is different from the female chromosome XX.
This is the reason why sex-linked traits follow different patterns of inheratance than other traits as a result of the Males and females having different sex chromosomes is valid.
Why is carbon the element of life?
Answer:
the ability to form stable bonds
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The answer is A.
Neither B nor C make sense, because in a sensible experiment, we dont try to mess up the results or replace results.
Mutations can occur in different cell types, what are these two types called?
Answer:
Germ cell
Somatic cell
Explanation:
If a gene is altered in a germ cell, the mutation is termed a germinal mutation.
If a gene is altered in a somatic cell, the mutation is termed a somatic mutation.
if the ratio of the ages of kisii and esinam is 3:5 and that of Esinam and Larry is 3:5 and the sum of the ages of all three is 147 years what is the age difference between the oldest and the youngest
Answer:
The age difference between the oldest and the youngest is 48.
Explanation:
Given the following data;
The ratio of the ages of Kisii (K) and Esinam (E) is 3:5.
The ratio of the ages of Esinam (E) and Larry (L) is 3:5.
The sum of the ages of all three is 147.
Since the age of Esinam is common in both ratios, we find the lowest common multiple (LCM);
LCM of 3,5 = 15.
Hence, the ratio of the three ages is now;
K:E:L = 9:15:25
Let their ages be denoted by x;
[tex]K:E:L = 9x:15x:25x[/tex]
The sum of all three ages is;
9x + 15x + 25x = 147
49x = 147
x = 147/49
x = 3.
To find the age difference between the oldest and the youngest;
The oldest is Esinam = 25x
The youngest is Kisii = 9x
Therefore, 25x - 9x = 16x
Substituting the value of x, we have;
x = 3; 16x = 16(3) = 48.
The age difference between the oldest and the youngest is 48.
Name 3 hormones that have a direct impact on calcium metabolism relating to the skeletal system
Answer:
Three major hormones (PTH, vitamin D, and calcitonin) interact to maintain a constant concentration of calcium, despite variations in intake and excretion.
Explanation:
The second major hormone involved in the regulation of calcium metabolism and skeletal remodeling is vitamin D, which includes cholecalciferol (vitamin D3) of animal origin, as well as ergocalciferol (vitamin D2) of plant origin.
carbohydrates are used for what
Carbohydrates are used for short term energy. It also stores energy.
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Function of carbohydrates
Carbohydrates provide fuel for the central nervous system and energy for working muscles. They also prevent protein from being used as an energy source and enable fat metabolism, according to Iowa State University. Also, "carbohydrates are important for brain function," Smathers said.
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what is the answer of this question?
Answer:
(A) temporary allergy to milk products has developed
Which bests describes a pilus
Answer:
A tube that extends from a bacterium
Explanation: A tube that extends from a bacterium
Answer:
A tube that extends from a bacterium
Explanation:
