How do mutations lead to variation?
Answer:
A
Explanation:
Mutations (we don't really know why they happen) but they change certain bases and base pairs (A has to match w T and C with G) and so they change the genetic code of DNA.
That also can possibly result in answer C but not necessarily but A is always true.
what tool is used to determine the precise location of radioactively labeled DNA
Which transphosphorylation enzyme is most important at the end of an intense workout in a gym to begin restoring the ATP/ADP Mass Action Ratio?
A. Adenylate kinase
B. Creatine kinase
C. Nucleoside diphosphate kinase
D. Inorganic pyrophosphatase
E. Polyphosphate kinase
Creatine kinase is the most important transphosphorylation enzyme at the end of an intense workout in a gym to begin restoring the ATP/ADP Mass Action Ratio.(B)
During an intense workout, the demand for energy increases, and ATP is rapidly broken down into ADP and inorganic phosphate (Pi). This leads to a decrease in the ATP/ADP Mass Action Ratio, which is a critical determinant of energy availability.
Creatine kinase is an enzyme that catalyzes the transfer of a phosphate group from phosphocreatine to ADP, thereby generating ATP and creatine. This reaction helps to restore the ATP/ADP Mass Action Ratio, which is essential for maintaining energy homeostasis in muscle cells.
While all of the transphosphorylation enzymes listed can contribute to the restoration of ATP/ADP balance, creatine kinase is particularly important in muscle cells due to the high concentration of phosphocreatine, which serves as a readily available energy reserve.
Adenylate kinase catalyzes the transfer of a phosphate group between two molecules of ADP, while nucleoside diphosphate kinase transfers a phosphate group from a nucleoside diphosphate to another nucleotide.
Inorganic pyrophosphatase hydrolyzes inorganic pyrophosphate to release phosphate ions. Polyphosphate kinase transfers phosphate groups from polyphosphate to ADP or other nucleotides.
In summary, creatine kinase plays a vital role in restoring the ATP/ADP Mass Action Ratio at the end of an intense workout, making it the most important transphosphorylation enzyme in this context.(B)
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Product Sales Inc. Adheres strictly to the goal of maximizing profits. Even so, Product Sales will benefit by also using ethical behavior: Group of answer choices if customer service and reviews are good. If its owners are happy with the revenue. Under no circumstances. If it efficiently allocates its scarce resources
Product Sales Inc. is a company that is solely focused on maximizing its profits, but it can still benefit from adopting ethical behavior. The following paragraphs will discuss how the company can gain benefits by following ethical business practices.
If customer service and reviews are good, a business can create goodwill and attract customers. Customers are attracted to companies that offer high-quality products and services and prioritize customer satisfaction. Companies that follow ethical practices are more likely to satisfy their customers, resulting in better customer reviews and higher sales.
If Product Sales' owners are happy with the revenue, the company can ensure its long-term sustainability. By adopting ethical practices, the company can build a positive reputation, which can result in increased sales and revenue. A company's reputation is essential to its success in the long run.
Efficient allocation of scarce resources can help a business to reduce its costs, resulting in increased profitability. By adopting ethical practices, a company can build a strong relationship with its suppliers, which can result in better pricing and supply arrangements. It can also reduce the wastage of resources, leading to cost savings.
In conclusion, Product Sales Inc. can benefit from adopting ethical practices. By prioritizing customer satisfaction, ensuring long-term sustainability, upholding ethical values, and efficiently allocating scarce resources, the company can achieve higher profitability and build a positive reputation.
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If fungi do not require sunlight for photosynthesis, then is a fungus an autotroph or heterotroph?
Answer: Heterotroph
Explanation:
All fungi are heterotrophic, which means that they get the energy they need to live from other organisms.
lesson 3 hapter 11 regulating the cell cycle
Regulating the cell cycle involves the coordinated work of kinases and cyclins dependent kinase proteins.
What are kinases and cyclins dependent kinase proteins?Kinases are proteins that phosphorylate other proteins called cyclins dependent kinases in order to control the progression to different phases of the cell cycle for example from g1 to S synthesis phase during the interphase of the cell cycle.
Therefore, with this data, we can see that kinases and cyclins dependent kinase proteins work together to control the progression through different phases of the cell cycle and thus modulate this process.
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What do photosynthesis and respiration have in common?
Answer:
They produce energy and they both provide reasorces for each other
Hoped this helped!
Explanation:
Answer:
We breathe in oxygen and exhale carbon dioxide.
Plants do the opposite, but we both take in and release air, and it flows through both humans and plants
the rate of systemic absorption of local anesthetics depends on the total dose, concentration, route of administration, vascularity of tissues, and presence or absence of a vasoconstrictor. group of answer choices true false
The overall dosage, concentration, method of administration, vascularity the tissues, & presence as well as absence of a vasoconstrictor all affect how quickly local anaesthetics are absorbed into the body. true
The concentration of local anaesthetics dosage, in the circulation increases as they are absorbed from of the injection site, as well as the peripheral nervous system & central nervous system (CNS) were subsequently suppressed in a dose-dependent manner. In Figure 3, Clinically, status seizures and cardiac arrhythmias are suppressed by low blood concentrations; paradoxically, larger serum concentrations cause seizure activity. The first potentially fatal side effect of local anaesthetic overdose is convulsive convulsions. This most likely results from selective inhibition of the central inhibitory pathways, which let the excitatory tracts go berserk. All routes are blocked when serum concentrations increase even higher, leading to coma, respiratory arrest, & finally cardiovascular failure.
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In the actual experiment, the researchers used 149 sequences to build their sequence logo, which is shown below. There is a stack at the following position, even if short, because the sequence logo includes more data.
(b) Which positions have the least predictable bases? How can you tell?
(b) The positions with the least predictable bases in the given sequence logo are positions 1, 5, 6, 7, 10, 11, 12, and 13. This is because the height of the stacks at these positions is lower and the diversity of the sequences in these positions is higher than other positions in the logo.
Sequence logo:
Sequence logo is a graphical representation of sequence alignment that displays a consensus sequence and the relative frequency of each residue at each position in the alignment. The height of each residue in the stack reflects the relative frequency of that residue at a particular position in the alignment. The height of the stack is also proportional to the degree of conservation of a particular residue at that position.
The degree of conservation at each position is estimated by calculating the information content of the sequence at that position.
Information content can be calculated using the following formula:
I(x) = ∑P(a) log2(P(a)/Q(a))
where I(x) is the information content of a position, P(a) is the observed frequency of a residue a at that position, and Q(a) is the background frequency of that residue.
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Filomena is a carrier for albinism, a recessive genetic disorder. Javier is also a carrier for this trait. They fall in love and marry. What is the probability that two of their children will have albinism
Answer:
10/10
Explanation:
Its because both parents carry the same gene
what are made out of proteins and help you feel emotions
Answer:
Brain cells communicate with one another via chemical messengers called neurotransmitters, which are usually made of amino acids, the building blocks of protein. What you eat affects which nerve chemicals will be dominant in your brain, which affects how you feel
Explanation:
The mythbusters are trying to determine how different sounds affect plant growth
Answer:
Music tends to help the plants grow faster and taller no matter the type
Please help me answer the question in the picture!
Answer:
Saturated fats don't have the double bond between the individual carbon atoms while unstaurated fatty acids there is at least one double bond in the fatty acid chain. unsaturated fats are healthier as they are said to reduce cholesterol levels.
Place in order the steps involved in transmitting sound waves traveling through the air to the hair cells in the inner ear that transduce the signal into neural information.
The steps involved in transmitting sound waves traveling through the air to the hair cells in the inner ear that transduce the signal into neural information are as follows:
The sound waves travel through the ear canal to reach the ear drums.
At the eardrum, the sound waves are vibrated and then sent to tiny bones malleus, incus, and stapes located in the middle ear.
These bones in the middle ear first increase the vibration of the sound waves and then send them to the cochlea. A partition is created in the cochlea known as the basilar membrane.
Hair cells are located above the basilar membrane. As it oscillates, stereocilia (hair-like projection) lying on top of the hair cell bend. These bending creates pre which lets the chemicals in and the waves are converted into electrical signals.
These signals are carries by auditory nerve to the brain where it is translated to what we hear.
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Which of the following processes occurring during meiosis helps to produce and maintain genetic variation in natural populations? Choose the best answer.
DNA replication
crossing over
fertilization
linkage
Crossing over is the process occurring during meiosis help to produce and maintain genetic variation in natural populations. Thus the answer is B)crossing over.
When chromosomes of the same type are paired together during meiosis, a biological event called Crossing over takes place.
Parts of the chromosome can be exchanged when two chromosomes, one from the mother and one from the father, line up. The same genes may be present on the two chromosomes in different versions. A gene, for example, could be transferred from the mother to the father's chromosome and vice versa, this process is referred to as Crossing over. The possible transmission of many gene combinations and forms to progeny makes this a very fascinating and significant biological activity. This genetic variation contributes to a species' increased diversity.
Additionally, diversity makes it easier for a species to adapt through time to its changing environment and go through evolution. Therefore Crossing over causes variation in the natural population.
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If a normal body cell has 12 chromosomes, how many chromosomes will a new body cell have immediately following mitosis?
A. 3
B. 6
C. 12
D. 24
Formed elements in blood are ______, and plasma is _______. Select one: a. blood clots; proteins b. mostly lipids; the matrix c. the cells; the liquid portion of blood d. lacking in protein; regulator of blood osmolality e. acellular; cellular
Answer:
option A is correct
Explanation:
Formed elements in blood are blood clots and plasma is proteins. Hence option a is correct.
What is blood?Blood is defined as a fluid that circulates regularly and gives the organism nutrients, oxygen, and waste elimination. Blood is pumped into the pulmonary arteries in the lungs from the right ventricle after entering the right atrium from the body. After absorbing oxygen, the blood returns to the heart through the pulmonary veins, passing through the left atrium, left ventricle, and aorta before leaving the body through the tissues.
In plasma, there are 8% to 9% solids and 91% to 92% of water. It primarily consists of: Blood clotting is aided by coagulants, particularly fibrinogen. Albumin and globulin are two plasma proteins that contribute to keeping the colloidal osmotic pressure at 25 mmHg.
Thus, formed elements in blood are blood clots and plasma is proteins. Hence option a is correct.
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the average human chromosome contains about 130 mb of dna. what is the approximate length of such a dna molecule in micrometers
the approximate length of such a DNA molecule is 2.04 m.
Two polynucleotide chains that wrap around one another to form a double helix make up the polymer known as deoxyribonucleic acid. All known species and many viruses have genetic material in the polymer that is necessary for their growth, development, and reproduction. The two types of nucleic acids are DNA and RNA. One of the four major types of macromolecules that are necessary for all known forms of life is nucleic acids, along with proteins, lipids, and complex carbohydrates (polysaccharides). Due to the fact that the two DNA strands are made up of more straightforward monomeric units known as nucleotides, they are referred to as polynucleotides. One of four nucleobases that include nitrogen, deoxyribose, a phosphate group, and one of the nucleobases make up each nucleotide.
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Okay ill give you a brainy thing if you answer correctly please don't guess this is a big part of my grade God bless
Answer:
secondary consumers i believe
Explanation:
Add your name and what ever you want ?
Answer:
mariaa meriee
Explanation:
brainlest .
which of the following occurs when an enzyme binds a non-competitive inhibitor? group of answer choices the kd will increase but vmax will not change the vmax will decrease but kd will not change kd will increase and vmax will decrease there is not enough information
When an enzyme binds a non-competitive inhibitor, the vmax will decrease but the kd will not change.
An enzyme is a protein that acts as a biological catalyst by increasing the rate of chemical reactions in living organisms. The substrate is the molecule that an enzyme catalyzes, while the active site is the region of the enzyme where the substrate binds.
An enzyme inhibitor is a chemical or molecule that inhibits the action of an enzyme. Non-competitive inhibitors can bind to the enzyme either at the active site or at an allosteric site. The activity of the enzyme is decreased by non-competitive inhibitors that bind to allosteric sites.
As a result, the Vmax (maximum velocity of the reaction) decreases, but the Kd (dissociation constant) does not change. This implies that the affinity of the enzyme for the substrate does not alter.
The Michaelis-Menten equation can be used to study the effect of enzyme inhibitors on enzyme-catalyzed reactions.
Therefore, when an enzyme binds a non-competitive inhibitor, the Vmax will decrease, but the Kd will not change.
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What is the function of interstitial fluid?
O circulates blood
0
O
produces lymph
provides nourishment and collects waste
collects waste only
O
Answer:
Interstitial fluid has a very specific composition, compared with plasma, and is responsible for providing the oxygen and nutrients required by the metabolically active Sertoli and germ cells, which are otherwise located in an avascular environment
Answer:
C. Provides nourishment and collects waste
Explanation:
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Which observational tool helped astronomers Arno Penzias and Robert Wilson discover the existence of the cosmic microwave background (CMB)?
A.
optical telescope
B.
radio telescope
C.
a digital camera
D.
space telescope
Answer:
Radio Telescope
Explanation:
____the conditions surrounding a living thing that affect its life.
The habitat of an organism refers to its natural surroundings. The environmental factors of their natural habitats, such as food, water, shelter, and climate, enable organisms to survive. Squirrels and birds can live in trees.
The term "habitat" in ecology refers to the variety of resources, physical characteristics, and biotic elements that exist in a region and are necessary for a specific species to survive and reproduce. An animal's habitat can be thought of as the outward representation of its biological niche. Thus, the term "habitat" refers to a specific species and is fundamentally distinct from ideas like the environment or vegetation assemblages, which are better described by the term "habitat-type."
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A woman with blood type O and a man with blood type AB have a child together. What are the possible blood types of this child ?
Answer:
O type blood (ii) and AB type Blood (IAIB) 50% of their children will have type A blood (IAi) and 50% will have type B blood (IBi)
Explanation:
If two species of Paramecia do not help each other? Do not Prey on each other? What do they eat?
Answer:
They mostly feed on bacteria.
Explanation:
Why is poriferans important to marine ecosystem? Explain
an invasive species: is any species that has been genetically modified by man. is any species that causes disease and death in host organisms. is always the competitively dominant species in an ecosystem. is any species that has a negative impact on community diversity. is any non-native species that becomes established in a new ecosystem.
Answer: Your will be An invasive species is any species that has a negative impact on community diversity.
what is a risk of genetically modified organisms
Answer:
The most notable GMO risks to humans are the potential development of allergens to GM related crops and toxicity from GM crops. However, studies also show GM crops have benefits including the increased nutritional value in foods.
Explanation:
Hope this Helps c:
Why does electric current flowing through wire lose energy?