DNA replication requires enzymes to break the hydrogen bonds of the DNA molecule, free nucleotides, and a polymerase to join nucleotides onto the template DNA strand.
During DNA replication, enzymes called helicases are needed to break the hydrogen bonds that hold the two strands of the DNA molecule together. This allows the DNA molecule to "unzip" and create a template for new strands to be built. Free nucleotides are also needed, as they will be added to the template strands to create the new DNA molecules. Finally, the enzyme polymerase is needed to join the nucleotides onto the template DNA strand, forming the new DNA molecule.
Free amino acids are not needed for DNA replication, as they are used in protein synthesis, not DNA replication. Similarly, genetic information is not needed to speed up the process, as the enzymes and nucleotides are sufficient for DNA replication to occur.
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Match the protist and its description with the categories that it could be classified under. Expand each image to see the picture and description of the three types of protists: Euglena, Spirogyra, and Fuligo Each protist should have at least three categories that it can be classified into.
Euglena is a single-celled organism that belongs to the phylum Euglenozoa. It is a photosynthetic organism that can be found in both fresh and saltwater. It has a long whip-like flagellum that helps it to move around and search for food. Autotrophic Heterotrophic Unicellular Spirogyra Spirogyra is a filamentous algae that can be found in freshwater environments.
It is made up of cells that are joined together in a chain-like structure. Spirogyra is an important part of the food chain because it is a primary producer.
Autotrophic Heterotrophic Multicellular Fuligo Fuligo is a type of slime mould that can be found in damp, shady areas. It is a unicellular organism that is capable of forming large colonies.
Fuligo feeds on bacteria and other organic matter and is an important decomposer in its environment. Autotrophic Heterotrophic Unicellular and Multicellular
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Describe the piece donatello created for the siena cathedral. what characteristics helped shape the standards of the time?
Donatello studied the feelings and expressions of people. It assisted him in creating the norms of the time in his bronze relief sculpture, The Feast of Herod.
Donatello produced The Feast of Herod in the year 1427 as a bronze relief sculpture. The Siena Cathedral in Italy's baptistry has it. It is a bronze relief and one of Donatello's earliest works in relief sculpture. Donatello used perspective in this sculpture, which is notable. 60 by 60 cm make up the piece. Salome requests Herod Antipas' head on a platter, which is when the sculpture shows John the Baptist being beheaded. Herod's shocked reaction is seen as the executioner displays the severed head.
One method Donatello used in his Feast of Herod was the use of shallow relief, or rilievo schiacciato, which he had previously used in his St. George predella for the Church of Orsanmichele in Florence. Donatello used schiacciato carving to provide an ethereal quality and the appearance of deeper depth. Donatello used the difference between the low and high relief to create the illusion of depth. Low relief is used in the layered arch building and the background figures to make certain components appear farther away, while high relief draws attention to the front figures' finer details, which seem to expand into the viewer's area.
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Darwin collected 13 different types of finches. All were the same expect for ___________ _______________________________________.
A. size and shape of their beaks.
B. color and texture of their beaks
C. age and size of the males
D. length and mass of their feathers
Answer:
Hey mate.....
Explanation:
This is ur answer.....
A. size and shape of their beaks.....Hope it helps!
Brainliest pls....
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What is a reproductive strategy?
a.) The way that a species creates offspring b.)The way that an organism hunts for food c.)The number of alleles an organism passes on d.) The DNA that is passed onto an offspring
Answer:
I am pretty sure that the answer is (a) The way that a species creates offspring.
Explanation:
The term reproductive strategy is loosely used to refer to the way an animal mates and/or raises offspring.
which of the following roles do lipids not play in our bodies?O store energy O generate heat O make up part of our cell membranes O act as hormones
Lipids are organic compounds that play a number of important roles in our bodies, including energy storage, insulation, and the formation of cell membranes. Therefore, option (B) generating heat is the correct option.
The following roles that lipids play in our bodies are as follows:
Store Energy: Lipids are an important energy source for our bodies. Fats and oils are stored in adipose tissue and provide energy when needed.
Generate Heat: Lipids do not play a role in generating heat, rather the role is played by the brown adipose tissue that has specialized mitochondria that produce heat, in a process called thermogenesis.
Makeup Part of Cell Membranes: Lipids play an important role in forming the cell membrane of our cells. They provide a hydrophobic barrier that separates the contents of the cell from the outside environment.
Act as Hormones: Some lipids function as hormones. Hormones are chemical messengers that are secreted by glands and regulate various physiological functions.
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Q- Which of the following roles do lipids not play in our bodies?
A. store energy
B. generate heat
C. make up part of our cell membranes
D. act as hormones
HELPPP Idek what this even is
4.03
Answer:
Carbon monoxide - B. prevents oxygen from being transported in the body
Nitrogen oxides - C. irritates lungs, dizziness, seizures, or death
Particulate matter - D. Inflammation and irritation of the respiratory system
Sulfur oxides - A. Can cause asthma
Explanation:
So, the matching is based on the effects and health impacts associated with each term. Carbon monoxide prevents oxygen transport, nitrogen oxides can cause respiratory symptoms and more severe effects, particulate matter leads to inflammation and respiratory irritation, and sulfur oxides can contribute to asthma.
Answer:
B
C
A
D
Explanation:
Carbon Monoxide: B) prevents oxygen from being transported in the body
Nitrogen Oxides: C) irritate lungs, dizziness, seizures, or death
Particulate Matter: A) can cause asthma
Sulfur Oxides: D) inflammation and irritation of the respiratory system
The lowest layer of Earth’s atmosphere has undergone a large increase in temperature due to the presence of greenhouse gases. State the name of this temperature zone layer.
Answer:
Troposphere
Explanation:
The layer which has faced a large increase in temperature due to the presence of greenhouse gases is named the stratosphere.
What are the causes of the greenhouse effect?The greenhouse effect is the outcome of the presence of greenhouse gases in the atmosphere absorbing ultraviolet radiations reflected from the earth's surface. This result in rising in the temperature of the planet.
The cause of the greenhouse effect is deforestation which leads to rising in temperature as trees help to maintain the temperature of the earth. The burning of fossil fuels and industrial waste also leads to an increase in greenhouse gases.
Therefore, the stratosphere is the layer of the atmosphere that gets affected due to the presence of greenhouse gases in the atmosphere.
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ATP synthase in the inner mitochondrial and chloroplast membranes is a A)nucleic acid B)triglyceride C)phospholipid D)protein E)glycocalyx
Name 2 places were Archaebacteria can live
Answer:
such as volcanic vents
at the bottom of the sea
boiling mud around volcanoes
hot springs
what are the products in cellular respiration
Answer:
In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts. The three stages of aerobic cellular respiration are glycolysis (an anaerobic process), the Krebs cycle, and oxidative phosphorylation.
How do scientists use recombinant DNA biotechnology to alter a cell's protein production?
They create duplicates of the cell's genome within its nucleus.
They insert a gene from another organism into the cell's genome.
They remove genes for certain proteins from the cell's genome.
They introduce other proteins into the cell to teach it.
Scientists use recombinant DNA biotechnology to alter a cell's protein production by inserting a gene from another organism into the cell's genome. Hence, option B is correct.
What is recombinant DNA?Recombinant DNA technology entails changing genetic material outside of an organism to produce living things or products with improved and desired traits. With the help of the right vector, this approach includes inserting DNA fragments from various sources with desired gene sequences.
Recombinant DNA is used in the production of various antibiotics, vaccines, transgenic plants, and transgenic animals.
With the help of the right vector, this approach includes inserting DNA fragments from various sources with desired gene sequences. Thus, option B is correct.
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9. Compare the raw materials of photosynthesis to the products of respiration.
10. How are these two processes (photosynthesis and respiration) related?
The raw materials of photosynthesis are carbon dioxide (CO2) and water (H2O), while the products of respiration are carbon dioxide (CO2) and water (H2O).
However, in respiration, glucose (C6H12O6) is the primary reactant, and it is broken down into carbon dioxide and water to release energy in the form of ATP (adenosine triphosphate).
On the other hand, in photosynthesis, light energy is used to convert carbon dioxide and water into glucose and oxygen (O2). Therefore, the raw materials of one process are the products of the other process.
Photosynthesis and respiration are related to each other in that they are complementary processes that maintain the balance of gases in the atmosphere.
The oxygen produced during photosynthesis is used by organisms during respiration to release energy from glucose and other organic compounds.
The carbon dioxide produced during respiration is used by plants during photosynthesis to produce glucose and other organic compounds. This cyclic process is known as the carbon cycle.
Furthermore, photosynthesis and respiration are crucial for sustaining life on Earth. Plants and other photosynthetic organisms are the primary producers that convert solar energy into chemical energy, which is then used by other organisms in the food chain. Respiration releases the energy stored in organic compounds to power cellular processes in all living organisms.
In summary, photosynthesis and respiration are related to each other in that they are complementary processes that maintain the balance of gases in the atmosphere and sustain life on Earth. The raw materials of one process are the products of the other process, and together they form the carbon cycle.
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The number of times the path of the sun on the celestial sphere crosses the celestial equator is?
The number of times the path of the sun on the celestial sphere crosses the celestial equator is two times in a year. The celestial sphere in the earth system is like an imaginary line that houses all objects in space.
What is celestial equator?Celestial equator is a great and big circle in which the celestial sphere meet or intersect with the equator. It is an extension of the earths equator and it is equidistant to the celestial poles. Celestial sphere is use in the earth centric system to properly position objects in space.
Therefore, The number of times the path of the sun on the celestial sphere crosses the celestial equator is two times in a year.
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__________ hormones are not attached to a carrier protein and are able to exit the blood and bind to cellular receptors.
Answer:
unbound (free)
To calculate the turnover number of an enzyme (kcat), you need to know: 1. the enzyme concentration 2. the initial velocity of the catalyzed reaction at [S] >> KM 3. the initial velocity of the catalyzed reaction at [S] << KM 4. the KM for the substrate 5. KM/2 O 2,5 O 1.5 O 3,4 O 2,3 O 1,2
To calculate the turnover number of an enzyme (kcat), you need to know the initial velocity of the catalyzed reaction at [S] >> KM,
as turnover number is defined as the number of substrate molecules converted to product per unit time per active site when the enzyme is saturated with substrate [S] >> KM.
The enzyme concentration, the initial velocity of the catalyzed reaction at [S] << KM, and the KM for the substrate are all needed to determine the maximum velocity of the catalyzed reaction (Vmax).
Hence, option number 2 is correct. KM/2 is equal to the substrate concentration required to achieve half of the Vmax. Hence, option number 5 is correct.
Therefore, the answer is "the initial velocity of the catalyzed reaction at [S] >> KM".
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Organs like ______ have the ______ of motor neurons embedded in them.
A. skin, dendrites
B. muscles, dendrites
C. brain, dendrites
D. spinal cord, axon terminals
E. muscles, axon terminals
Organs like muscles have the axon terminals of motor neurons embedded in them.
Muscles are the tissues that are required to provide support to various organs and also are very essential for locomotion. In humans and various other animals, muscles also have a huge role during child birth by their ability of contraction.
Axon terminals are present at the end of the axons as a swollen bulb like structure. These are essential for the synapse of signal to another neuron, to store neurotransmitters or to transmit the signal that neurons carry to the target organ. They are also known by the name synaptic boutons.
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explain the relationship between elements and a living organism's structure and function
Answer:
Function and structure are related, because of a certain structure a living thing make contain makes the object function the way it does. There are a lot of structural future in humans, plants, animal and all living things.
Explanation:
Which of the following structures is responsible for providing energy for the cell? (1 point) Chloroplast Nucleus Mitochondria Cell membrane
Answer:
Mitochondria
Explanation:
The mitochondria is the power house of the cell!
in wall-e what are the humans directed to do when the pod (eve) containing the plant reaches the axiom
(ecology lesson)
In the "ecology lesson" sequence of the movie "Wall-E," when the pod carrying the plant arrives at the Axiom, the humans are instructed to assemble and pay attention to the live broadcast being sent.
The "Directive A-113" is started by the Axiom's commander, commander McCrea, and causes a holographic projection to teach and educate people about the state of the Earth and the necessity to reestablish its ecological balance.
Images and movies of the planet Earth before it was badly polluted and unusable are displayed to the humans during the ecology class.
They are told to pay close attention to the information being given and comprehend the significance of the plant that EVE (the pod) has brought.
This scene is used in the film "Wall-E" to emphasise the concept of environmental conservation, stressing the negative effects of human carelessness and the possibility of redemption through ethical behaviour and planetary preservation.
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why are index fossils useful to geologist
a.they tell the relative age of the rock in which they occur
b. they tell the ages of many different rock layers
c.they tell the age of the rock at one location only
d. they tell the absolute age of the rock in which they occur
Answer:
Explanation:
Index fossils (also known as guide fossils or indicator fossils) are fossils used to define and identify geologic periods (or faunal stages). Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends.
Index fossil, any animal or plant preserved in the rock record of the Earth that is characteristic of a particular span of geologic time or environment. A useful index fossil must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time. Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata. In marine strata, index fossils that are commonly used include the single-celled Protista with hard body parts and larger forms such as ammonoids. In terrestrial sediments of the Cenozoic Era, which began about 65.5 million years ago, mammals are widely used to date deposits. All of these animal forms have hard body parts, such as shells, bones, and teeth, and evolved rapidly.
How do GMOs benefit you? (more than one right answer)
Genetically modified organisms (GMOs) have a range of potential benefits for individuals and society. First and foremost, GMO crops can help to increase food production and reduce hunger, as they are often engineered to be more resilient to pests, diseases, and harsh environmental conditions.
This can also lead to reduced use of pesticides and herbicides, which can benefit both human health and the environment. In addition, GMOs can provide economic benefits to farmers and agricultural industries, as they may be able to grow more crops and achieve higher yields.
There are also potential medical benefits associated with genetically modified organisms, such as the creation of insulin-producing bacteria for people with diabetes.
However, it is important to note that there are also potential risks and controversies associated with GMOs, and more research is needed to fully understand their impact on health and the environment.
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Which would be a desirable trait scientists may want to create in a transgenic plant?
Answer:the ability to resist insects
Explanation:
Usually, the cells are grown in tissue culture before being transformed into plants. The modified DNA will be passed along to the seeds that these plants generate.
What is the purpose of to create transgenic plants?Producing crops with desirable features, excellent quality, and high yield is the core goal of transgenic plant breeding.
In addition to helping the agriculture industry, it has been discovered that the plants can serve as a factory for the manufacturing of pharmaceutical proteins.
DNA is inserted into an organism's genome as part of the GM technology. New DNA is introduced into plant cells to create a GM plant.
Therefore, ability to resist the insect would be a desirable trait scientists may want to create in a transgenic plant.
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_____ are painkillers that are naturally produced by the body, whereas _____ are painkillers that are found or synthesized outside the body.
endorphins are painkillers that are naturally produced by the body, whereas opioids are painkillers that are found or synthesized outside the body.
What are painkillers?Painkillers and NSAIDs are analgesics, which are medications used to treat pain. The most significant distinction is that painkillers target the level of pain you're experiencing by stopping pain signals before they reach the brain.
NSAIDs, commonly known as nonsteroidal anti-inflammatory medicines, serve to reduce pain and fever by lowering inflammation.
However, if you have chronic pain or inflammation, they are unlikely to alleviate the underlying cause.
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ready-to-eat tcs food must be date marked if it will be stored for longer than:
Given what we know, we can confirm that ready-to-eat TCS food must be date marked if it will be stored for longer than 24 hours.
What is TCS food?TCS food refers to food that must be stored in temperature-controlled environments to ensure safety.These foods, if not stored properly and at the correct temperatures can cause sickness to the consumers.Why does it need to be date-marked?The reason the foods need to be date-marked is to relay information to the potential consumer as to by when the food should be consumed. This is done to ensure that if stored correctly, the food does not have time to spoil and cause health risks for consumers.Therefore, we can confirm that ready-to-eat TCS food must be date marked if it will be stored for longer than 24 hours in order to protect the health of the consumers.
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if water were a nonpolar molecule, how would its properties be different
Explanation:
If water were a nonpolar molecule how would its properties be different A. Water would be able to climb inside plants. ... Water would stick together much more strongly.
which area in the maybe would be best for the formation of a hurricane?
A)a
B)b
C)c
D)d
Which sphere of the Earth system includes snowfields, ice caps, and frozen ground?
the vein that transports blood from veins in the foot to the femoral vein is the?
The vein that transports blood from veins in the foot to the femoral vein is the popliteal vein.
The popliteal vein collects blood from the veins in the foot and lower leg, then travels up the back of the knee, where it connects to the femoral vein, which carries blood from the lower body back to the heart. The popliteal vein is formed by the junction of the venae comitantes of the anterior tibial vein and the posterior tibial vein at the lower border of the popliteus muscle. It travels on the medial side of the popliteal artery. It is superficial to the popliteal artery. As it ascends through the fossa, it crosses behind the popliteal artery so that it comes to lie on its lateral side. It passes through the adductor hiatus (the opening in the adductor magnus muscle) to become the femoral vein. The tributaries of the popliteal vein include veins that correspond to branches given off by the popliteal artery, the small saphenous vein, which perforates the deep fascia and passes between the two heads of the gastrocnemius muscle to end in the popliteal vein, and the fibular veins.
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Congenital analgesia is a rare autosomal recessive trait. What is the likelihood that the first two offspring of a cross between two unaffected parents heterozygous for the congenital analgesia trait will have congenital analgesia
The likelihood that the first two offspring of the cross will have congenital analgesia would be 1/16
Autosomal Recessive TraitsFor autosomal recessive traits, two recessive alleles are needed for the trait to manifest while one recessive allele means heterozygosity.
In this case, let us assume that congenital analgesia is represented by the allele b; heterozygous individuals will, thus, be Bb.
Bb x Bb
BB Bb Bb bb
Probability of producing unaffected offspring = 3/4
Probability of producing affected offspring = 1/4
Likelihood of the first two offspring having congenital analgesia = probability of first having congenital analgesia and the second having congenital analgesia
= 1/4 x 1/4
= 1/16
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Bio_U02_NGSQ1_FY21
Questi
What is the difference between eukaryotic and prokaryotic cells?
o Eukaryotic cells are found in bacteria and prokaryotic cells are not.
O Prokaryotic cells are found in plants and animals and eukaryotic cells are not
Eukaryotic cells contain organelles and DNA enclosed within a nucleus and prokaryotic cells do not.
Prokaryotic cells contain no organelles except DNA enclosed within a nucleus and eukaryotic cells do not
Answer:
Eukaryotic cells contain organelles and DNA enclosed within a nucleus and prokaryotic cells do not.
Explanation:
eukaryotic cells have a nuclius, prokaryotic cells don't.