Where do plants get the energy to make organic molecules?.
Answers
Answer:
Sun
Explanation:
Energy is obtained from sun ,which is ATP
Related Questions
The number of fatty acids chains present in a molecule of a
phospholipid is _
Answers
The molecule of phospholipid contains two fatty acid molecules linked to -OH groups and a nitrogen-containing base bound to the phosphate group.
Phospholipids are a class of lipids whose molecule has a hydrophilic head containing a phosphate group and two hydrophobic tails derived from fatty acids, joined by an alcohol residue.
Thus, it has a strongly non-polar and hydrophobic tail consisting of fatty acid chains and a polar and hydrophilic head comprising a negatively charged phosphate group and a positively charged base. Because of this dual solubility, the phospholipids are called AMPHIPHATIC lipids.
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Which of the following statements about Okazaki fragments in E. coli is true?
They are synthesized in the 3’ to 5’ direction. They are formed on the lagging strand of DNA. They are usually 50 to 500 bases long. They are sealed together by the action of helicase.
Answers
Okazaki fragments are formed on the lagging strand of DNA.
What are Okazaki fragments?
The statement "They are formed on the lagging strand of DNA" is true.
Okazaki fragments are short DNA fragments that are synthesized on the lagging strand of DNA during DNA replication.
These fragments are created because DNA polymerase can only synthesize DNA in the 5’ to 3’ direction, which is the same direction that the replication fork is moving on the leading strand.
On the lagging strand, DNA is synthesized in the opposite direction of the replication fork movement, so it is synthesized in short stretches that are later joined together to form a continuous strand.
Okazaki fragments are usually around 100 to 1000 bases long in E. coli, and they are synthesized in the 5’ to 3’ direction. They are not sealed together by the action of helicase, but rather by an enzyme called DNA ligase, which joins the sugar-phosphate backbone of adjacent fragments.
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How are alleles for the same gene related? A. They have different genetic sequences but are found in the same location on a chromosome. B. They have the same genetic sequence but are found in different individuals. C. They have the same genetic sequence but are found on different chromosomes. O D. They have different genetic sequences and are found on different chromosomes.
Answers
Answer:
A. They have different genetic sequences but are found in the same location on a chromosome.
Explanation:
In genetics, alleles are the variant form of a gene. According to Mendel, there are usually two alleles for most genes except for few cases where there are multiple alleles. Each allele of a pair is contributed by each parent during sexual reproduction. For example, in a gene Tt, the alleles are T for tallness and t for shortness.
Alleles of the same gene are related in such a way that they have different genetic sequences but are found in the same location on a chromosome. The different genetic sequences makes them alternative form of each other.
there are ____ different bases of DNA
Answers
Answer:
4
Explanation:
Because there are four naturally occurring nitrogenous bases, there are four different types of DNA nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).
Provide one biotic factor that could increase the deer population's carrying capacity. Explain why this biotic factor would increase the carrying capacity.
Answers
Skeletal, smooth, and cardiac muscles fall into what category of organization?
cellular
tissue
organ system
organ
Answers
Skeletal, smooth, and cardiac muscles fall into organ system.
Organ System- The organ system is the collection of organs that cooperate to carry out a certain task in the body of an organism. Organs, that are self-contained collections of tissues like the heart that cooperate to carry out a single function, are present in the majority of animals and plants. The circulatory system, musculoskeletal system, and digestive system are a few instances of organ systems and their functions.
Tissue- Tissue is a collection of cells with a common structure and function that work as a single unit. The body's tissues give it shape and aid in energy storage and heat retention.
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Although the Cell Theory is widely accepted and well supported, what might happen to cause it change?
Answers
Answer:
By doing more research.
Explanation:
The cell theory change with the passage of time by doing more research about the cell. The final modification of the cell theory done by Rudolf Virchow in 1855 on the basis of his new research and findings about the cells. With the passage of time, modification occurs in microscope which enable the scientists to find different parts, organelles and features of cell on the basis of which scientists modify cell theory with the passage of time.
how do heart rate and blood pressure change during exercise? choose from the list below.a. "Heart rate is higher, but blood pressure remains the same." b. "Heart rate is higher, but blood pressure is lower." c. "Heart rate is higher and blood pressure is higher. d. "Heart rate is lower, but blood pressure is higher." e. "Heart rate is lower, but blood pressure remains the same."
Answers
During exercise, the heart rate increases to pump more oxygenated blood to the muscles. This means that option a, where heart rate is higher but blood pressure remains the same, is incorrect.
As the heart works harder to pump more blood, blood pressure also increases. Therefore, option c, where both heart rate and blood pressure are higher, is the correct answer. It is important to note that blood pressure can temporarily decrease immediately after exercise due to dilation of blood vessels, but will eventually return to normal levels. Option b, where heart rate is higher but blood pressure is lower, and option d, where heart rate is lower but blood pressure is higher, are both incorrect. Option e, where heart rate is lower but blood pressure remains the same, is not applicable during exercise.
During exercise, both heart rate and blood pressure increase to meet the body's increased demand for oxygen and nutrients. Therefore, the correct answer is option c: "Heart rate is higher and blood pressure is higher." This change ensures that the muscles receive sufficient blood supply, enabling them to perform at an optimal level throughout the exercise session.
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T/F: bote sign molluscum contagiosum mistaken for staph infection
Answers
False. Bote sign molluscum contagiosum is not mistaken for a staph infection.
Molluscum contagiosum is a viral skin infection caused by the molluscum contagiosum virus (MCV). It manifests as small, flesh-colored or pink bumps on the skin. These bumps are typically smooth and have a central dimple or indentation, giving them a characteristic appearance called "molluscum bodies" or "molluscum bodies sign."
On the other hand, a staph infection refers to a bacterial infection caused by Staphylococcus aureus bacteria. Staph infections can present as various skin conditions, including boils, impetigo, cellulitis, and abscesses. These infections typically appear as red, swollen, painful lesions that may contain pus.
While both molluscum contagiosum and staph infections can affect the skin and cause bumps or lesions, they have distinct characteristics that can help differentiate between them. Molluscum contagiosum lesions have a characteristic central dimple, while staph infections often present as red, inflamed, and painful areas.
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Hyaline cartilage :___________
a) can be found between vertebrae, serving as shock absorbing disks.
b) has a double-layered connective tissue sheath covering it called the periosteum.
c) can serve as a precursor for the formation of long bones in the body.
d) can grow on the outside by appositional growth and on the inside by interstitial growth.
Answers
Hyaline Cartilage is (a) can be found between vertebrae, serving as shock-absorbing.
Cartilage is an elastic connective tissue that exists in various parts of the body. The smooth surface of hyaline cartilage appears to be glassy. The cells that make up this type of cartilage are chondrocytes, which are surrounded by an extracellular matrix consisting of collagen and elastic fibers, as well as proteoglycan molecules.
Hyaline cartilage is the most prevalent form of cartilage. It's found in the end of bones, the larynx, the trachea, the bronchi, and the embryonic skeleton. It's found in the articulating surfaces of bones as well as between vertebrae, where it serves as a shock absorber.
The articular cartilage also aids in the lubrication of the articulating surfaces. There is no blood supply to cartilage, so it must receive nourishment via diffusion from surrounding connective tissues. The other options in the given question are incorrect because: The double-layered connective tissue sheath covering it called the periosteum is incorrect because periosteum is the covering of the bone and not the hyaline cartilage.
Hyaline cartilage cannot serve as a precursor for the formation of long bones in the body as the precursor of long bones is the hyaline cartilage model. Lastly, hyaline cartilage cannot grow on the outside by appositional growth and on the inside by interstitial growth, because hyaline cartilage only grows by interstitial growth. The correct answer is A.
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Which contributes most in supporting life on the deep ocean floor?
O A. cold water temperatures
O B. extreme water pressure
O
C. hydrothermal vents
O
D. lack of predators
Answers
The only cells which do not contain mitochondria are the red blood cells, which produce energy ________ in the cytoplasm.
Answers
Answer:
\(\huge\boxed{\sf anaerobically }\)
Explanation:
There are two types of respiration by which energy can be produced.
Aerobic respirationAnaerobic respirationSince, red blood cells do not contain mitochondria, they carry out anaerobic respiration (respiration without oxygen) in the cytoplasm. Mitochondria is mainly the organelle which carries out aerobic respiration however, anaerobic respiration takes place in the cytoplasm.
\(\rule[225]{225}{2}\)
whoever can send me the funniest text u got from ur plug i’ll mark u at the brainliest or whatever
Answers
Determine whether each statement is true or false record the answer as T or F for each statement in the boxes below enter the key to unlock the next clue
Answers
The statement that pertains to waves in the questions have the following responses;
1) True
2) True
3) False
4) True
5) False
6) True
7) False
8) True
9) True
10) True
What is the light?Light is part of the electromagnetic spectrum. We know that the electromagnetic spectrum has to do with a compendium of wavelengths of energy that may be harnessed for various purposes.
We have to note that the part of the spectrum that we are can be able to see with our optical eyes is the part that we call the visible light; The visible light has a wavelength range that would span from 400 - 700 nm.
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why do you think there is so much life on our planet ?
Answers
Answer:
Earth's atmosphere and surrounding supports life.
Explanation:
The oxygen, nitrogen and carbon that's abundant on Earth promotes life.
could someone please help me with this. :’)
Answers
Answer:
cool paper
Explanation:
QUESTION 1 Exercise 11.10. Butterflies. Alice, Bob, and Charlotte are looking for butterflies. They look in three separate parts of a field, so that their probabilities of success do not affect each other. • Alice finds 1 butterfly with probability 17%, and otherwise does not find one • Bob finds 1 butterfly with probability 25%, and otherwise does not find one • Charlotte finds 1 butterfly with probability 45%, and otherwise does not find one Let X be the number of butterflies that they find altogether. Write X as the sum of three indicator random variables, X1, X2, X3 that indicate whether Alice, Bob, Charlotte (respectively) found a butterfly. Then X= X1+X2 +X3. Find the expected value of X by finding the expected value of the sum of the indicator random variables. Your answer will have two decimal places. **This is a straight forward expected value of a sum of random variables, nothing fancy here! QUESTION 2 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? O A. Example 11.10, sampling without replacement O B. Example 11.11, sampling with replacement QUESTION 3 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. What is the expected value of getting the first head? This will be an integer answer. QUESTION 4 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The next step is to find the expected value of getting the second head. Because this is identical to finding the expected number of rolls for the first head (independent events), we just multiply the first head's expected value by 2. This will be an integer answer. QUESTION 5 Exercise 11.17 (a). Waiting for favorite song. Michael puts his iTunes on shuffle mode where songs are not allowed to be replayed. He has 2,781 songs saved on iTunes, and exactly one of these is his favorite. How many songs is he expected to have to listen to until his very favorite song comes up? Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? A. Example 11.11, sampling with replacement B. Example 11.10, sampling without replacement
Answers
In Exercise 11.10, the expected value of the number of butterflies found by Alice, Bob, and Charlotte is obtained by finding the expected value of the sum of three indicator random variables.
In Exercise 11.16, the expected value of the number of flips needed to get the second head in a coin flipping experiment is determined. These exercises involve different scenarios of sampling with and without replacement.
In Exercise 11.10, the expected value of X, the total number of butterflies found, is found by calculating the expected value of each indicator random variable (X1, X2, X3) representing whether Alice, Bob, and Charlotte found a butterfly, respectively.
The expected value of each indicator variable can be obtained by multiplying the probability of success (finding a butterfly) by 1 and the probability of failure (not finding a butterfly) by 0. Then, the expected value of X is calculated as the sum of the expected values of the indicator variables.
In Exercise 11.16, the expected value of X, the number of flips needed to get the second head, is determined. To find this value, we first need to find the expected value of getting the first head. This scenario is similar to Example 11.11, which involves sampling with replacement.
Each coin flip is an independent event, and the probability of getting a head is constant at 0.5.
Therefore, the expected value of getting the first head is 1/p, where p is the probability of success (0.5 in this case).
In Exercise 11.17 (a), the scenario of waiting for a favorite song in Michael's iTunes playlist involves sampling without replacement. Each song played is not replayed, and there is only one favorite song among the total number of songs.
Therefore, this scenario is similar to Example 11.10, sampling without replacement.
To find the expected number of songs Michael needs to listen to until his favorite song comes up, the formula for sampling without replacement is used, which is the reciprocal of the probability of selecting the favorite song at each step.
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What happens in the thylakoid membrane during light-dependent reactions?
Answers
During the light-dependent reactions of photosynthesis, the thylakoid membrane is the site of the electron transport chain and ATP synthesis.
The thylakoid membrane contains two photosystems, Photosystem I and Photosystem II, that absorb light energy and convert it into chemical energy in the form of ATP and NADPH. The light energy is used to excite electrons in the chlorophyll pigments of the photosystems, which are then transferred to a series of electron carriers in the electron transport chain.
As electrons move through the chain, a proton gradient is established across the thylakoid membrane, which is used to synthesize ATP via ATP synthase. At the end of the electron transport chain, the electrons are used to reduce NADP+ to NADPH, which is then used in the Calvin cycle to synthesize glucose.
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Why is sweat so effective in cooling our bodies?
O It has salt with a low specific heat.
It is a liquid with a low specific heat.
O It is a liquid with a high specific heat.
It has salt with a high specific heat.
Answers
Sweat is an effective way to cool our bodies because it has a low specific heat, meaning it absorbs and releases heat quicker than other materials. The salt in sweat also helps the body cool down by absorbing heat energy and releasing it into the environment.
What is Heat Energy?Heat energy is energy that is created from the movement of molecules. It is also known as thermal energy and is a form of kinetic energy. Heat energy is generated from the motion of atoms and molecules. Heat energy is released from sources such as the Sun, from burning fuels, and from electricity. Heat energy is used to keep our homes warm and to cook food. Heat energy can also be used to generate electricity. In addition, heat energy is used in the production of everyday items such as steel and glass.
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Where are the right and left hypochondriac regions located?
Answers
The right and left hypochondriac regions located at both inferior to (below) the thoracic cage, on the lateral sides of the abdominal wall, and are separated by the epigastrium.
What is the left hypochondriac area made up of?Spleen, a portion of the stomach, and the left colic angle are all located in the left hypochondriac region. When the sigmoid colon is in the left iliac region, the left kidney and descending colon are located in the left lumbar region.
In the upper left and right quadrants, what organs are found?Liver, stomach, gallbladder, duodenum, right kidney, pancreas, and right adrenal gland all are situated in the left upper quadrant. Liver, stomach, pancreas, left kidney, spleen, and left adrenal gland are all situated in the left upper quadrant.
What is the right hypochondrium?The area of the abdomen that sits right below the cartilages linking each side's lower ribs to the breastbone. Interpreted, the phrase means "below the cartilages.".
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what is the name of the output image of the sanger sequencing process?
Answers
Answer: electropherogram
Explanation:
The output image of the Sanger sequencing process is commonly referred to as an electropherogram or sequencing trace. It is a graphical representation of the sequencing results obtained from the Sanger sequencing method.
In Sanger sequencing, fluorescently labeled DNA fragments are separated by size through capillary electrophoresis. As the DNA fragments pass through the capillary, a laser excites the fluorescent labels, and the emitted light is detected and recorded as peaks on the electropherogram. The peaks correspond to the different bases (A, C, G, and T) present in the DNA sequence.
The electropherogram provides valuable information about the sequence of the DNA being analyzed. The height and shape of the peaks indicate the relative abundance and quality of each base at each position along the sequence. By analyzing the electropherogram, researchers can determine the nucleotide sequence of the DNA fragment being sequenced.
The electropherogram is typically displayed as a graph with the x-axis representing the position in the DNA sequence and the y-axis representing the signal intensity or peak height. It is an essential tool for DNA sequencing analysis and is used to interpret and verify the accuracy of the sequencing results.
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whats the answer to this questgion
Answers
A random mutation caused an individual bacteria to be resistant to antibiotics. The bacteria survived the antibiotics and reproduced. Option B.
How do bacteria develop resistance to antibiotics?Bacteria can develop resistance to antibiotics through mutations in their DNA. These mutations can occur spontaneously or as a result of exposure to antibiotics or other stressors.
Individual bacteria with the mutation are able to survive the antibiotic treatment. Natural selection favors the mutated trait and mutated bacteria survive and produce more.
With time, the individual bacterium that cannot withstand the antibiotic dies off the population, leaving those that are resistant to the antibiotics.
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Addiction onset by cocaine and amphetamines is characterized by increased _____. see concept 49.5 (page)
Answers
Addiction onset by cocaine and amphetamines is characterized by increased persistence of dopamine in the brain's synapses.
Usually, dopamine is quickly removed from the synapses where it functions, but these addictive drugs delay dopamine removal, leading to increased influence of dopamine.
What is dopamine?Dopamine is a neurotransmitter responsible for carrying information to various parts of the body and, when released, it causes a feeling of pleasure and increases motivation.
In addition, dopamine is involved in emotions, cognitive processes, movement control, heart function, learning, attention span, and bowel movements. It is also directly related to neurological and psychiatric disorders like Parkinson's disease, schizophrenia or ADHD.
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Two of the organisms seemed to be more closely
related to each other than to the other vertebrates.
The type of evidence shown is using the field of -
Answers
The position and shape of the bones in the forelimbs of four present vertebrates were studied.
Two of the organisms seem to be more closely related to each other then to the other vertebrates this relationship was most likely based on evidence using the field of Comparative anatomy
What is comparative anatomy?
The work of French naturalist Pierre Belon, who demonstrated in 1555 that the skeletons of humans and birds are composed of identical parts and organised in the same way, is credited with giving rise to modern comparative anatomy. With the work of two French naturalists, Georges-Louis Leclerc, comte de Buffon and Louis-Jean-Marie Daubenton, who studied the anatomies of a variety of animals, comparative anatomy advanced quickly from this modest beginning in the 18th century. The topic was given a stronger solid foundation by French zoologist Georges Cuvier in the early 19th century when he claimed that animals' structural and functional traits are the result of interactions with their environment.To know more about comparative anatomy, click the link given below:
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Compare the species richness, species diversity, and species evenness in the two areas. Describe two factors you think
could account for the differences in species richness/diversity/evenness in the two areas.
!!Please answer in 2 sentences!!
Answers
Species richness and species diversity are two crucial metrics ecologists employ to define the make-up of a community.
A community's species richness is determined by how many distinct species it contains. E.g., the second community would have a substantially higher species richness than the first if we identified 30 species in one community and 300 species in another.Near the equator, where there is a high concentration of solar energy, warm temperatures, abundant rainfall, and little seasonal variation, are typically where communities with the highest species richness can be found. Near the poles, which receive less solar energy and are colder, drier, and less conducive to life, are communities with the lowest species richness.The complexity of a community is gauged by its species diversity. It depends on both the community's species richness (the number of different species present) and species evenness (the relative abundances of those species).Greater species diversity would be seen in a forest community with 20 distinct tree species than one with only 5 distinct tree species .Numerous interrelated biotic (living things) and abiotic (non-living) factors contribute to the structure of a community (living organism-related): the climate of the communitythe location of the community geographicallyThe environment's heterogeneity (patchiness)how often disturbances or disruptive incidents occurinterspecies interactions.Learn more about species diversity here:
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g in an in vitro polymerization reaction of f-actin from its g-actin subunits, there is a lag phase (rate-limiting stage). what happens during this lag phase? a: f-actin is nucleated b: f-actin reaches a steady state c: f-actin exchanges nucleotides d: f-actin hydrolyzes atp e: f-actin undergoes treadmilling
Answers
There is a lag phase in the in vitro polymerization of F-actin from its G-actin subunits. F-actin nucleates during this lag phase.
G-actin or globular actin is the globular and monomer form of actin that forms the actin filament. F-actin or fibrous actin is the fibrous actin and a linear polymer that forms the contractile apparatus and cytoskeleton apparatus of the muscle cells.
Actin nucleation is the first stage in the development of an actin filament. Polarized filaments, or F-actin, are created by the assembly of actin monomers, or G-actin. This filament will have a pointed end that grows more slowly and a barbed end that grows quickly. Therefore, at this stage, a complex of three actin monomers, or an actin nucleus, is formed, from which an actin filament extends. Therefore, the time needed by the actin for nucleation is the lag phase. Here, option a is the correct statement.
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an additional attractive feature of donkeys as a domesticated animal was
Answers
Photosynthesis is a chemical reaction that occurs in the __________, an organelle found only in plant cells. The reactants of photosynthesis are __________, carbon dioxide, and water. The _________ of photosynthesis are glucose and oxygen
Answers
Answer:
The correct answer is - a) chloroplast 2) sunlight 3) products
Explanation:
Photosynthesis is the process that includes a set o chemical reaction that takes place inside the green plants and other photosynthetic organisms. These green plants or photosynthetic organisms have a special cell organelle known as chloroplast present in plant cells only that has a pigment called chlorophyll that is essential for photosynthesis.
Photosynthesis is a complex process but it can be understood as the reactants of this process that are sunlight, water, and carbon dioxide produces glucose and oxygen.
Which of these work together in a feedback loop
Answers
Answer:
Hypothalamus and pituitary gland
Explanation:
these glands work together in a feedback loop
What are two terms from the turbulent kintetic energy equation that are representative of processes that occur in completely differrnt wavenumber regions of the spectrum? What are the scales which they occur (small intermediate or large).
Answers
'Dissipation' and 'advection' are two terms in the turbulent kinetic energy equation that are representative of processes that occur in completely different wavenumber regions of the spectrum.
In the turbulent kinetic energy equation, dissipation refers to the viscous conversion of mechanical energy to heat. It is determined by viscous forces that affect the fluid leading to the diminution of eddies.
Advection refers to the transfer through horizontal movement of a mass or quantity of fluid, which may be liquid or gas.
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