Why is dna not used directly as a code for protein synthesis and instead, a messenger rna must be transcribed?
The DNA not used directly as a code for protein synthesis and instead, a messenger RNA must be transcribed because,
The DNA does not have any protection from the nucleases present in cytoplasm that can cleave any nucleic acid and mRna can protect from nucleases because it have polyadenylation and 5' guanosine.What is role of mRNA?mRNA is single stranded RNAThe role of mRNA is to carry the protein blueprint or genetic information from DNA of cells to its ribosomes.It furnished with the genetic code called codons.learn about messanger RNA or mRNA,
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what is the function of the atmospheres ozone layer
Phospholipids are complex molecules with a lipid "tail" and a phosphate "head." which end interacts with water? neither phosphate head lipid tail
Which structure secretes digestive enzymes that break down carbohydrates, fats, and proteins? A. Pancreas B. Large intestine C. Liver D. Salivary glands
Final answer:
The pancreas secretes digestive enzymes, including pancreatic amylase, trypsin, and lipase, which break down carbohydrates, proteins, and fats respectively. It also neutralizes stomach acids with bicarbonate, optimizing the small intestine's environment for digestion.
Explanation:
The structure that secretes digestive enzymes that break down carbohydrates, fats, and proteins is the pancreas. The pancreas produces pancreatic juice, which contains enzymes like pancreatic amylase to digest carbohydrates, trypsin to digest proteins, and enzymes to digest fats. Additionally, the pancreas releases bicarbonate to neutralize the acidic contents from the stomach, ensuring a suitable environment for the enzymes to function effectively in the small intestine.
In relation to where most fat-digesting enzymes are produced, the answer is also the pancreas. While the liver produces bile which emulsifies fats, and the gallbladder stores and concentrates this bile, the actual fat-digesting enzymes, like lipase, are produced by the pancreas.
Identify the inheritance mode of each condition by using the labels to complete the table. labels can be used once, more than once, or not at all.
As question lack major information of pedigree i have attached it in this answer for better understanding.
Answer:
Condition A is autosomal recessive
Condition B is a X- linked recessive
Explanation
We analyze the pedigree by checking the mode of inheritance of each condition.
Question arises here that is conditions are dominant or recessive?
Explanation of arose question
As we know that the requirement for dominant condition is that an affected individual must have one affected parent.
While on the other hand, two healthy parents gave birth to affected child which means this condition is recessive. therefore, from the pedigree we get to know that Recessive condition is the case for both conditions A and condition B.
Another question arises here is the condition is X-linked of autosomal?
Explanation of arose question
As we know from the rules of genetics that if two healthy parents gave birth to affected daughter then it’s an autosomal recessive condition. From the pedigree we see that this is the actual case of condition A.
While on the other hand, if two healthy parents gave birth to affected son this condition will be X-linked. From the pedigree this is the case for condition B.
The place where the axon terminal from one nerve cell transfers an impulse to another nerve cell, is the
Which habitat would have the least variation in its salinity
if this is for edge en u i ty then the answer would be d. estuary
The aggression at dog shows when its owner tries to take its food bowl is called _______ aggression.
Why does rhyolite have smaller crystals than granite?
Many pathogenic bacteria species are becoming resistant to antibiotics. Explain how such adaptations can develop through the process of natural selection. (Hint: Relate this example to the conditions that are necessary for natural selection to occur.)
But comparing the simulated model and actual cell division under a microscope can improve understanding because actual observations_______.
How often does the body perform cellular respiration?
Which of the following describes how bacteria can receive or exchange genetic material? (A) In transformation, some bacteria pick up pieces of DNA from the environment. (B) In conjugation, two bacterial cells temporarily join and transfer genetic material between them. (C) In transduction, viruses infect bacteria, carrying gene from one cell and injecting them into another. (D) All responses apply
Prolactin is a hormone whose molecular structure has remained stable over evolutionary time but whose hormonal role has changed dramatically in different animal species. this is an excellent example of how evolution
By ruling in James McCulloch’s favor in McCulloch v. Maryland, the Supreme Court agreed that
By ruling in James McCulloch’s favor in McCulloch v. Maryland, the Supreme Court agreed that the Congress had the power to create a federal bank.
This case established two important principles-
Firstly, the Constitution granted Congress, implied powers to implement the Constitution's express powers to create a functional national government.
Secondly, state action may not hamper the valid constitutional exercises of power by the federal government.
Congress had the power to create a federal bank.
Further explanations:
McCulloch versus Maryland was a Supreme Court in 1819 that stated the scope of Legislative power of Congress related to the power of American state Legislature. The case involved the rightness of the National bank and tax imposed by the State government of Maryland. The decision of the case also stated some implied powers of the U.S Federal Government explicitly enumerated in the Constitution under the “Necessary and Proper “ clause. The decision also provided congress authority to institute a Federal Bank.
The court decision of authorizing congress to create a bank was welcomed by Chief Justice Marshall with his four arguments. According to Marshall establishing congressman, power was a historic practice that led to the foundation of banks. It also retained the sovereignty of the nation by ratifying the constitution and also addresses the congressional power under Article I. Marshall supported the decision as it was invoking the Necessary and Proper Clause, permitting the Congress to exercise its enumerated powers.
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2. the impact of Furman v. Georgia (1972) was that states had to promise to use the death penalty only with approval from the supreme court. throw out the old Miranda warning and write a new one. agree to throw out all state laws regarding crime and impose national standards. create clear standards to be applied fairly before imposing the death penalty?https://brainly.com/question/637963
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Answer Details
Grade: High School
Subject: History
Chapter: Federal Bank
Keywords: McCulloch, Maryland, Supreme Court, Legislative power, American state Legislature, National bank and tax, State government, Maryland, U.S Federal Government, Necessary and Proper, Federal Bank, Chief Justice, Marshall
Fourteen-year-old warren has undergone a rapid increase in height and weight. warren is experiencing _____.
Green algae is considered an ancestor of modern plants because
A) They have chlorophyll contained in chloroplasts
B) They are the largest of all the algae
C) They also have brown and red pigments
D) They are producers
which modern day technology helps scientists measure earth landforms and other features more precisely than ever before
Answer:
remote sensing from satellites
Explanation:
Scientists use data collected from remote sensing satellites to study such things as rivers, oceans, fires, pollution, and natural resources. The Global Positioning System (GPS) also uses satellite technology to provide information for navigation and other purposes.
Which two components make up the greatest percentage of the atmosphere?
Answer:
Earth Atmosphere:
The earth atmosphere is composed of a number of gases or elements, as they are required to sustain the environment and air present in the atmosphere. As there are various portions of the air mixture, and most of the elements are present are in high level or number of molecules are in more denser form.
Explanation:
Nitrogen, N: In our atmosphere we have nitrogen as the most abundant element inside a sample of air, as the air contains about 78% of the nitrogen molecules in total. As it has great importance to the atmosphere and the whole ecosystem that we live inside.Oxygen,O₂: Oxygen can be termed as the most important and vital element for the living beings, and most of the materials to exists. As living beings require more oxygen for driving the cellular respiration and other cellular functions. As they form the basic mechanism for driving the life force by being the main cause of the photosynthesis which involves the production of the energy and NADH.When the slope is _____, a small _____ in sea level can cause a significant shoreline shift inland.
A) gentle; fall
B) flat; fall
C) steep; fall
D) steep; rise
E) gentle; rise
Two identical balls are placed in Beaker A and Beaker B. The ball in Beaker A sinks slightly, while the ball in Beaker B floats atop the liquid. Which conclusion is correct
a. The balls are denser than both liquids.
b. The liquid in Beaker A is denser than the liquid in Beaker B.
c. The liquid in Beaker A is not as dense as the liquid in Beaker B.
d. None of the above.
Minerals in geodes form spectacular euhedral crystals because
Final answer:
Minerals in geodes form spectacular euhedral crystals due to factors such as cleavage, secondary differentiation of elements, and polymerization.
Explanation:
Minerals in geodes form spectacular euhedral crystals because of several factors:
Cleavage: Cleavage is the tendency of a mineral to break along specific planes to make smooth surfaces. Gemstones with cleavage planes can form attractive crystal shapes with smooth faces.Secondary differentiation of elements: The relative temperatures at which minerals crystallize are determined by their lattice energies. Minerals with small, highly charged ions tend to have higher melting points and crystallize first.Polymerization: In some minerals, individual tetrahedra can be joined together by sharing one or more of their oxygens. This polymerization allows zillions of tetrahedra to be joined into chains or sheets, resulting in complex three-dimensional networks of shared tetrahedra.Name the four elements that make up the bulk of living matter
Carbon, hydrogen, oxygen, and nitrogen make up the bulk of living matter.
Explanation:The four elements that make up the bulk of living matter are:Carbon (C): It is the backbone of organic molecules like carbohydrates, lipids, proteins, and nucleic acids.Hydrogen (H): It is found in water and many organic compounds.Oxygen (O): It is present in water, carbohydrates, lipids, and proteins.Nitrogen (N): It is a key element in amino acids, which are the building blocks of proteins.Learn more about elements in living matter here:https://brainly.com/question/34786608
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The four elements that make up most of the mass in living organisms are oxygen, carbon, hydrogen, and nitrogen. They form diverse molecular species that enable the structures and functions of living organisms.
Explanation:The four elements that make up the bulk of living matter are oxygen (O), carbon (C), hydrogen (H), and nitrogen (N). These four elements common to all living organisms consist of more than 95 percent of the body's mass. Carbon, being able to form four chemical bonds, and nitrogen, forming three, have unique structures that allow them to produce a vast number of diverse molecular species, necessary to form the structures and enable the functions of living organisms.
Even the earth's crust and atmosphere, having unique proportions of these elements contribute to the existence of life. Despite differences in abundance, all elements obey the same chemical and physical laws, whether they are a part of the living or non-living world.
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Regeneration in man is limited to
Final answer:
Human regeneration is limited to skin, part of the liver, and the tips of fingers and toes. Most cells in adults have predetermined functions, thus limiting regeneration. Research in stem cells seeks to enhance our ability to regrow damaged tissues or organs.
Explanation:
Regeneration in humans is limited compared to some other organisms. While certain animals like salamanders have remarkable regenerative abilities, humans can only regenerate certain tissues such as skin, a significant portion of the liver, and the very tips of fingers and toes. Tissues such as most epithelial tissues have a considerable capacity for repair, while others, such as nervous tissues, have limited or no ability to regenerate. Consequently, nerve damage can often result in paralysis due to the inability of these tissues to repair themselves.
In the context of cellular division and regeneration, human cells demonstrate a characteristic known as totipotency during the early stages of development, but this ability is short-lived. In adults, most cells are predetermined for specific lineages, limiting their regenerative capabilities. The field of stem cell research offers hope for regrowing damaged tissues or organs since stem cells retain the ability to become any cell type in the human body.
There are varying degrees of repair that can occur in the human body:
The tissue can be completely repaired and return to normal.
The tissue can be incompletely repaired but still maintain functional capabilities, albeit at a reduced capacity.
In cases where tissue or organ loss occurs, medical treatment can sometimes allow the organism to live, such as with insulin replacement or organ transplants.
Ultimately, the body exhibits a significant but not boundless capacity for self-repair. Aging in humans could represent an accumulation of damage beyond the repair capabilities of the body, similar to wear in mechanical devices. Research continues to explore the potential for enhancing the body's regenerative capacities and understanding the limitations.
Jill runs a hot bath. she starts to get into the tub but the water feels extremely hot. she stands in the hot water for a few moments, then slowly sits down, easing the rest of her body into the water. after a few minutes, she feels quite comfortable; the water no longer feels too hot to her. jill has experienced:
Based on the given scenario, Jill is experiencing sensory adaptation. A sensory adaptation is where sensory system that a person acquires has ability to change in a way that they could adapt in certain situations. It is seen above as the hot water made her feel uncomfortable as she does not intend to sit on the tub while it is still hot and later on, she manage to be comfortable with the hot water after her sensory system has adopted to the stimulus which is the hot water in the tub. The sensory adaptation makes a person’s sensory system feel a change in response of a factor that will affect the system into leading it cope up with the factor affecting it.
True or False: The body often naturally seeks rest in the afternoon, between 1:00-4:00 p.m.
The correct answer is True
Explanation:
Biologically, the human body is regulated by a cycle of rest vs activity; this is related to the circadian rhythm that includes changes occurring during the day and night. According to this cycle, humans experience high levels of alertness and energy during the morning but during the afternoon, especially after 1 p.m. these levels fall, and therefore people feel they need to rest. This is believed to be normal and part of the circadian rhythms although it has also been attributed to the digestive process that occurs after lunch. According to this it is true the body often naturally seeks rest in the afternoon, between 1:00-4:00 p.m.
The scientific method can best be described as a plan or set of
on science a hypothesis must be
The belief that sexual orientation is a function of hormones and other physiological processes is associated with which theory? A humanistic B Social learning C biological D androgyny
"hair color is darker during which stage of growth?"
Hair color is darkest during the [Option b] anagen phase of hair growth due to high levels of melanin production.
Rapid cell division at the hair's root actively pushes the hair shaft upward and out during this phase. The pigment that gives hair its color, melanin, is produced in large quantities by the hair follicles during this phase, which can last anywhere from two to seven years. During the anagen phase, melanin production is high, which causes hair to appear darker. Catagen and telogen, on the other hand, are not associated with active pigment production. The catagen phase is a brief transitional period that lasts between two and three weeks, while the telogen phase is a resting period that lasts between two and four months. During the telogen phase, pigment production stops and hair does not grow.Complete question:
"Hair color is darker during which stage of growth?"
a) resting b) anagen c) catagen d) telogen