In which organelle does photosynthesis take place?
A:chloroplast
B:vascular bundle
C:mitochondrion
D:stoma
Answers
Answer: Chloroplast
Explanation:
Chloroplast
Related Questions
A red Corvette is traveling down Broad St. At 45mph. The speeld limit is 25 mph. The car is captured on camera speeding, how many miles per hour was the car traveling over the speed limit?
Answers
Answer:
The answer is 20 mph
Explanation:
This question is more technical than it is of actual calculation. The car was travelling at a speed of 45 miles per hour when the actual speed limit that should be observed is 25 miles per hour. His excess speed can be calculated as
45 mph - 25 mph = 20 mph
Thus, the car was travelling at a speed of 20 mph more than the actual speed limit of the road which is 25 mph
the portion of the digestive tract that receives food directly from the oral cavity is the
Answers
The portion of the digestive tract that receives food directly from the oral cavity is the esophagus.
The esophagus is a muscular tube that connects the mouth to the stomach. Its primary function is to transport food from the mouth to the stomach through a series of coordinated muscle contractions known as peristalsis. When we swallow food, it moves down the esophagus, propelled by these muscular contractions, until it reaches the stomach where the process of digestion continues. The esophagus plays a crucial role in the digestive process by facilitating the movement of food from the mouth to the stomach, allowing for further breakdown and absorption of nutrients.
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During replication, the strands of a double-stranded dna molecule separate from each other when bonds are broken between their.
Answers
When bonds are broken between their phosphate groups, the strands of a double-stranded DNA molecule separate from each other.
What is DNA replication?
DNA, as we know, is a self replicating structure.
During replication of DNA, the DNA produces multiple copies of itself. DNA replication is a biological polymerization.
The reactions are enzyme catalyzed. The main enzyme is DNA Polymerase in the replication process.
It involves the steps initiation, elongation, and termination.
Initiation: initiation is the point at which replication begins. A region called the origin of replication is where it initiates. After spotting the origin, unwinding of the two DNA strands occurs. Elongation: after separation of the strands, the polymerase enzymes start synthesizing the complementary sequence in each strand. The parental strands are a template for the newly synthesising daughter strands. Elongation is always unidirectional i.e. DNA always polymerizes only in the 5′ to 3′ direction. Termination: termination is different in different organisms.Therefore, when bonds are broken between their phosphate groups, the strands of a double-stranded dna molecule separate from each other.
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jane has a son who has duchenne muscular dystrophy, which is inherited as an x-linked recessive trait. at a molecular level, the disease is due to lack of the protein dystrophin. jane participates in a study to look at dystrophin levels in various muscles, so she has cells sampled from 10 different muscles. some cells make dystrophin, and some do not. an explanation for this finding is that
Answers
A possible explanation for this finding is that in some cells but not others, the x chromosome with the mutation is turned off. Duchenne Muscular Dystrophy is a heritable condition that causes gradual muscle weakness, usually in boys.
- More about Duchenne muscular dystrophy :
- Frequent falls, difficulty getting up or running, a waddling gait, large calves, and learning impairments are all signs of Duchenne muscular dystrophy.
- Although there is no cure, corticosteroids and physical therapy can help reduce symptoms and enhance quality of life.
- Researchers have discovered some of the mutated genes, which are brought on by a genetic mutation on one of the mother's X chromosomes. A genetic defect in the production of dystrophin, a protein that prevents muscle fibers from degrading when exposed to enzymes, results in Duchenne muscular dystrophy.
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measurements of the amount of dna per nucleus were taken on a large number of growing cells. the measured dna amounts typically were either 3 or 6 picograms per nucleus. in which phase of the cell cycle did the nucleus contain 3 picograms of dna?
Answers
3 picograms of DNA were present in the nucleus at the G2 stage of the cell cycle.
What is the nucleus, what does it do?The nucleus carries the genetics, structures that hold the genetic information, and controls or regulates the functions of the cell (such as growth and metabolism). Small bodies named nucleoli are frequently seen inside the nucleus. The nucleolus is the gel-like matrix within which the nuclear parts are suspended.
What is the animal cell's nucleus?The largest organelle in animal tissue is the nucleus. Cell activity is controlled by the nucleus. It also includes the chromosomes of the cell. The genetic material (DNA) that makes you what you are is contained in the chromosomes.
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2. Why are gopher tortoise burrows so valuable to maintaining a diverse ecosystem?- They provide a place of refuge from hurricanes and flooding for hundreds of species.- They provide a place of refuge from fires for hundreds of species.- They provide ideal areas for pinecones to land in and germinate during a fire.- They provide ideal areas for pinecones and seeds to land in and develop new trees and plant
Answers
Gopher tortoise burrows are valuable to the ecosystem because they provide a place of refuge from fires for hundreds of species.
Gopher tortoise are the keystone species found in areas of north America. These are called keystone because their burrows provide shelter to around 300 other animals species. Hence it is necessary for the species to be preserved from extinction.
Ecosystem is defined as the geographical area where the non-living and living things live together depending upon each other. There are various types of ecosystem, for example, the terrestrial ecosystem or the aquatic ecosystem. There are various other subtypes under these two ecosystems.
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How does your trc compare to the average for the class? the average for your sex? is there a difference between male and female trcs? what might account for the difference?
Answers
The trc score represents the rate at which tobacco retailers comply with laws and regulations related to the sale of tobacco products to minors. The average trc score for a class or group of people would depend on the specific group being evaluated and the area in which they reside.
Regarding the difference between male and female trcs, it is possible that there could be a difference if males and females are treated differently by tobacco retailers or if they have different rates of attempted tobacco purchases. However, it is important to note that trc scores are not related to individual biology or gender identity, but rather to compliance with laws and regulations related to tobacco sales.
Overall, it is important to prioritize tobacco control efforts and ensure that retailers are held accountable for selling tobacco products to minors, regardless of any potential differences between demographic groups.
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A pair of what chromosomes are the same size and contain the same genes in both males and females?.
Answers
Answer:
A pair of what chromosomes are the same size and contain the same genes in both males and females?. A pair called autosomes.
Explanation:
these are true and false questions
1.during translation information on an RNA strand is used to assemble a protein
2.RNA exits the nucleus through osmosis
3.messenger RNA picks up amino acids in the cytoplasm and brings them to a ribosome for assembley into a protein
4. ribosomes use the information in RNA to assemble proteins
Answers
Answer:
1. True
2. False
3. False
4. True
Explanation:
1. DNA is transcribed into RNA which is then translated into protein. RNA contains the information required to produce proteins.
2. No, RNA exits the nucleus through a nuclear pore complex with the help of export receptors.
3. Amino acids are bound to tRNA not mRNA.
4. The RNA contains the information required to create proteins. Ribosomes mediate and catalyze the reaction to produce an amino acid chain using the information in mRNA.
all parts of the sensory system use ____
A) cone cells
B) hair
C) receptors
D) chemoreceptors
Answers
Neurons that are part of the sensory system gather sensory data from their surroundings and transmit it to the brain as electrical signals for processing. Neurons called sensory receptors are involved in the transmission of messages from the body to the brain.
What do all parts of the sensory system use?The sensory system is a collection of related systems that help you notice and comprehend your environment. We just briefly covered the auditory and the visual systems, but there are other other senses like smell, taste, balance, proprioception (or your body's location), and at least half a dozen different kinds of touch sensations.The sensory systems have already been presented to you as separate, functional units—the eyes do this; the ears do that—as I was writing this. That kind of information has probably already been presented to you. A comprehensive analysis of the similarities between these systems has not been provided to you. Let's examine the systems as a whole and perhaps make some changes.To Learn more About sensory system Refer To:
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Plz help me this is my last question :D
Which cell division phase is shown in the image?
O telophase
O metaphase
O anaphase
O prophase
Answers
Hope this helps
Have a great day/night
what is the name of the space between two neurons during neuron transmission
Answers
Answer:
synapse
Explanation:
synapse is the answer to the question
the following statements regarding the cell cytotoxicity neutralization assay (ccna) for clostridiodes (formerly clostridium) difficile are correct except?
Answers
It is false that cytotoxicity neutralization assay (CCNA) for clostridiodes (which was formerly clostridium) difficile produces rapid results.
CCNA is an assay which was developed to detect the presence of the C. difficile toxin in the fecal samples. In this assay, there is a preparation of a filtrate of stool sample which is then inoculated onto sensitive tissue culture cells. Usually human fibroblast cells are utilized. If toxin is found to be present in the filtrate, it causes the fibroblast cells to round up in a characteristic cytopathic effect.
Although CCNA is considered as one of the best methods for detection of C. difficile toxin, it is quite labor intensive, requires the usage of cell cultures, and also requires at least 48 hours of incubation and hence does not produce rapid results.
--The given question is incorrect, the correct question is
"Is it true that cytotoxicity neutralization assay (CCNA) for clostridiodes (formerly clostridium) difficile produces rapid results?"--
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PLSSS HELP AJHAUAKQKQ
Answers
what are the factor affecting the rate of breathing?
Answers
Answer:
Carbon dioxide concentration in the blood. H+ concentration in the blood. Stretching of the thoracic and pulmonary walls.
what 2 gasses are involved in the formation of acid rain
Answers
Answer:
Sulfur dioxide and nitrogen oxides react with water and oxygen to form acid rain.
Hope it helps! :)
Answer:
Sulphur Dioxide and Nitrogen oxide
Explanation:
These gases are exerted into the sky as pollutants through human activities. Then, when the clouds form due to condensation, and become to heavy to hold, they start to release water in the form of rain. However, one slight change would be that they bring down the Sulphur dioxide and nitrogen dioxide with them.
This acid rain is mostly seen after a long summer, and when the first few rains are seen. This rain highly affects the happenings at the Earth. For example, they make the soil in fertile and leave farmers and gardeners under lots of work for when they re - plant later that year.
Whether or not electrons will be ejected from metal when light shines on the metal depends on ________. the intensity of the light the frequency of the light whether there were any electrons in the metal the temperature of the metal
Answers
On medium deficient in that amino acid, a mutant unable to synthesize that amino will be able to develop (minimal media). Consequently, to identify such mutations,
How does reflect work?Brain activity is involved in the problem-solving reflective cognition process when one reviews each step that was taken. People search for the solutions that were used to solve the issue and repair it once more.
Concerning tothreonine auxotroph:The work function explains the lowest energy at which a photon may emit light from metal. electrons will be expelled if the energy is larger than the work function.
How do electrons work?A negatively charged atom known as an electron can either be free or attached to an atom (not bound).
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ANSWER ASAP PLEASE
Drag each tile to the correct location.
Match the events related to the formation of the universe with the stages during which they occurred.
1) The first neutral atoms begin to form.
2) Hydrogen fuses into helium.
3) Expansion from an infinitely hot point.
Answers
The chronological order of events that are related to the formation of the universe with the stages that they occurred include the following;
Expansion from an infinitely hot point: it occurs between 0 to 10⁻⁴³ seconds and 10⁻⁴³ seconds to 10⁻⁴ seconds.Hydrogen fuses into helium: it occurs between 10⁻⁴ seconds to 20 minutes and 20 minutes to 380,000 years.The first neutral atoms begin to form: it occurred about 380,000 years to 560 million years. What is the Big Bang Theory?The Big Bang Theory simply refers to an explanation that was given by astronomers to describe how the universe was formed, which describes a well-detailed information on how the universe started (its origin).
According to the Big Bang Theory, the whole universe stretched from a single, infinitely hot point for 0 to 10⁻⁴³ seconds and then expanded to its present state, which is generally supported by the following evidences:
Red shift of galaxies due to Doppler effect.Decrease in the temperature of the universe.Cosmic background radiation.Universe is expanding.The movement of galaxies apart.Existence of quasars.Subsequently, the expansion leads to the era of Nucleosynthesis, which is when hydrogen fuses into helium between 10⁻⁴ seconds to 20 minutes and 20 minutes to 380,000 years. Finally, the first neutral atoms began to form about 380,000 years to 560 million years ago.
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Answer:
edmentum mastery test :)
Explanation:
all organisms must regulate gene expression by turning genes on and off in different cells at different times. in prokaryotic cells, related genes may be organized into operons , which can be turned on and off as a single unit. eukaryotes have more complex modes of control, includingthe packing of chromosomes, rna splicing (which can produce several mrnas from a single gene), and the control of translation. an understanding of gene regulation mechanisms has led to several interesting and important applications. for example, the loss of gene regulation can result in reproductive cloning , or out-of-control cell growth. and cancer can produce new live individuals, while therapeutic cloning can produce potentially therapeutic stem cells.
Answers
All organisms must regulate gene expression by turning genes on and off in different cells at different times: genes expression,
operons, RNA splicing, cancer, reproductive cloning, and therapeutic cloning.
Gene expression is the manner by way of which statistics from a gene are used in the synthesis of a useful gene product that enables it to supply end merchandise, protein or non-coding RNA, and in the end affect a phenotype, because of the very last effect.
Gene expression is a tightly regulated process that allows a cellular to reply to its converting environment. It acts as an on/off transfer to manipulate when proteins are made and also an extent manipulation that will increase or decreases the number of proteins made.
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in an oil spill why doesn't the oil mix in with the sea water
Answers
Answer: because oil is less dense than water and therefore it floats to the surface.
Explanation:
Help? I’ll give brainlist
Answers
Answer:
A
Explanation:
which is not an abiotic factor that could affect a population?
Answers
Answer:
it is not the abiotic power my beautiful kind sir
Explanation:
A plant can have green (G) or yellow (9) leaves. It can also have a long (K) or
short (k) stem. A scientist is preparing a Punnett square for a dihybrid cross
of a plant with a genotype GGKk. What possible gametes can the plant
produce?
Answers
Answer:
the possible gamets are GK and Gk, because gametes conteins haploid number of chromosomes (only one set of dissimilar chromosomes)
Part A
In this experiment, you will place the container in the freezer. What do you think will happen?
30points✌✌✌
Answers
If you put a container of water in the freezer and the container is completely full and sturdy enough to prevent any expansion, the water will not remain liquid. Water expands when it freezes, and this expansion creates a significant amount of force.
How to explain the informationIn such a situation, the water will exert pressure on the walls of the container as it freezes. If the container is strong enough to withstand this pressure, it may remain intact, but the expansion of the water will cause the container to deform or rupture eventually.
However, it's worth noting that it is highly unlikely to find a container that is completely rigid and strong enough to prevent any expansion of water. The force exerted by freezing water is quite powerful, and it can typically overcome the strength of most containers.
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What happens if you put a container of water in the freezer, and the container is so full and so sturdy that the water has no space to expand into as it becomes ice? Does the water remain liquid?
what were the 2 main ideas from geology that influenced darwin
Answers
The two main ideas from geology that influenced Darwin were uniformitarianism and the immense age of the Earth.
Charles Darwin was heavily influenced by the works of geologists during his time, particularly by Charles Lyell's uniformitarianism and James Hutton's concept of the immense age of the Earth. Uniformitarianism posits that geological processes occurring today have been operating at a consistent rate throughout Earth's history.
This idea suggested that gradual changes could lead to significant transformations over time, which Darwin applied to the evolution of species. The immense age of the Earth, estimated to be around 4.6 billion years old, provided ample time for these gradual changes and evolution to occur, further supporting Darwin's theory of natural selection.
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What is a function that proteins DO NOT do in the body?
A. Help chemical reactions
B. Create insulation
C. Build tissues and muscles
D. Transport molecules in and out of a cell
Answers
Answer:
a
Explanation:
4 ( 3x+10y=54 and x=y+5 )
Answers
Answer:
x−y=9 , x+y=6
4x+4y=1
, 6x−y=1
x2−y=2
, 2x−y=−1
Explanation:
Where were all microorganisms originally classified?
Answers
Which two statements describe organisms found in the kingdom plantae
Answers
Kingdom Plantae share several characteristics that distinguish them from other kingdoms. Here are two statements that describe these organisms Photosynthetic Autotrophs and Multicellular Structure.
Photosynthetic Autotrophs: All organisms in the Kingdom Plantae are photosynthetic autotrophs. They possess specialized structures called chloroplasts, which contain the pigment chlorophyll. Through the process of photosynthesis, plants are capable of converting sunlight, water, and carbon dioxide into glucose and oxygen. This ability to produce their own food is a defining characteristic of plants.
Multicellular Structure: Another key characteristic of organisms in the Kingdom Plantae is their multicellular nature. Most plant species are made up of cells organized into tissues, organs, and systems. The cells within plants have distinct roles and contribute to the overall functioning of the organism. This multicellular structure allows plants to develop complex forms and perform specialized functions, such as capturing sunlight, absorbing water and nutrients from the soil, and reproducing through the production of flowers and seeds.
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5. In Studies 2 and 3, was NH,* concentration an independent or dependent variable?
A. Independent, because NH+ concentrations
are
already established for certain plants.
B. Independent, because NH* concentrations were measured by the researchers.
C. Dependent, because NH * concentrations are already established for certain plants.
D. Dependent, because NH* concentrations
were
measured by the researchers.
Answers
Independent because NH+ concentrations for certain plants have previously been established.
The independent variables are the concentrations [A], [B], [C],. The amount of variables that are independent corresponds to the amount of reactant species since the amount of each reactant could be changed. What occurs as a result of a independent variable is referred to as a dependant variable. Dependent variables include things like pH, hydrogen concentration (H+), and bicarbonate concentration (HCO3-). As a result, they are unable to influence either one another or independent factors. Simply said, other things are what cause their concentrations. Temperature, substrate concentration, enzyme concentration, and inhibitor presence are all independent factors.
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