Photosynthesis provides _____ in the atmosphere that support(s) much of the life on earth.
Answers
Photosynthesis provides oxygen in the atmosphere that support(s) much of the life on earth.
Photosynthesis is the process of producing one's own food. This process can be seen in plants, some bacteria and fungi. These organisms use the inorganic raw material like carbon dioxide, water and sunlight energy and produce food in the form of sugars, releasing oxygen as a by-product.
Oxygen is the most essential form of gas found in the earth. Majority of the organisms in the Earth are aerobic, that is they require oxygen for their survival. That is why oxygen supports much of the life on earth.
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Related Questions
Which statement is true based on this scale?
A.Tomatoes have a higher concentration of hydrogen than seawater.
B. Seawater has a higher concentration of hydrogen than tomatoes.
C. Household ammonia is neutral.
D. Blood has no hydrogen ions.
Answers
The statement is true based on this pH scale is blood has no hydrogen ions.
What are the functions of pH scale?pH, historically denoting "potential of hydrogen", is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions are measured to have lower pH values than basic or alkaline solutions.
The pH scale measures how acidic an object is. Objects that are not very acidic are called basic. The scale has values ranging from zero (the most acidic) to 14 (the most basic). As you can see from the pH scale above, pure water has a pH value of 7.
pH is a measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.
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In a relaxed skeletal muscle, actin is not chemically bound to.
Answers
Answer:
MYOSIN
Explanation:
are a superfamily of motor proteins best known for their roles in muscle contraction and in a wide range of other motility processes in eukaryotes. They are ATP-dependent and responsible for actin-based motility. The first myosin to be discovered was in 1864 by Wilhelm Kühne.
Which of the following choices correctly shows an example of the way energy flows in an ecosystem? A. Rattlesnake to Hawk to Kangaroo Rat to Fungus to Cactus B. Fungus to Hawk toRattlesnake to Kangaroo Rat to Cactus C. Cactus to Kangaroo Rat to Rattlesnake to Hawk to Fungus D. Cactus to Fungus to Kangaroo Rat to Hawk to Rattlesnake
Answers
ANSWER:
C. Cactus to Kangaroo Rat to Rattlesnake to Hawk to Fungus
EXPLANATION
Living organisms in an ecosystem obtain energy by feeding on one another. As one organisms feeds on the other, ENERGY FLOWS. However, the flow of energy is UNIDIRECTIONAL. The flow of energy is represented by a FOOD CHAIN where the arrow signals which organism is feeding on which.
According to this question, a typical example of energy flow in a terrestrial ecosystem is as follows:
Cactus → Kangaroo rat → Rattlesnake → Hawk → Fungus
In the above food chain, energy flows as cactus plant (producer) is fed on by kangaroo rat (primary consumer), which is fed on by rattlesnake (secondary consumer), which is fed on by hawk (tertiary consumer). Hawk is decomposed by fungi (decomposer) when it dies. Energy flows in this direction.
Hence, an example of the way energy flows in an ecosystem is represented by Cactus to Kangaroo Rat to Rattlesnake to Hawk to Fungus
in eukaryotic cells, rna interference plays direct roles in which processes? (check all that apply.)
Answers
In eukaryotic cells, RNA interference plays direct roles in the following processes:
a. Decreasing expression of certain genesb. Defense against virusesa. RNA interference (RNAi) is a process where small RNA molecules, such as microRNAs (miRNAs) or small interfering RNAs (siRNAs), bind to target messenger RNA (mRNA) molecules and inhibit their expression. This mechanism is used to decrease the expression of specific genes by either degrading the mRNA or blocking its translation into proteins. RNAi has important regulatory functions in various cellular processes, including development, differentiation, and response to environmental stimuli.
b. RNAi also serves as a defense mechanism against viral infections. When a virus infects a eukaryotic cell, it may produce double-stranded RNA (dsRNA) as part of its replication cycle. The dsRNA triggers the production of small interfering RNAs that can recognize and bind to viral RNA, marking it for degradation. This process prevents the translation of viral proteins and limits viral replication, thus providing a defense mechanism against viral infections.
c. Cell communication, d. Activating DNA replication, and e. Making ATP are not direct roles of RNA interference in eukaryotic cells. While RNAi may indirectly influence these processes through its regulatory effects on gene expression, its direct involvement is primarily associated with gene regulation and antiviral defense.
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The complete question is:
In eukaryotic cells, RNA interference plays direct roles in which processes? (Check all that apply.)
a. Decreasing expression of certain genesb. Defense against virusesc. Cell communicationd. Activating DNA replication.e. Making ATPIn words please describe what happens during photosynthesis, include these terms in your description: oxygen, carbon dioxide, photon, glucose, water, chloroplast, thylakoid, xylem, stoma, chlorophyll.
Answers
the hormone that is directly responsible for the development of male neural cicitury in those parts of the brain controlling reproductive functioning is
Answers
The hormone that is directly responsible for the development of male neural circuitry in those parts of the brain controlling reproductive functioning is testosterone.
Testosterone is a male hormone that plays a critical role in the development and maintenance of male reproductive tissues, including the testes and prostate. It is also responsible for the development of secondary characteristics, such as body hair, muscle mass, and bone density. Testosterone is produced primarily in the testes, but small amounts are also produced in the adrenal glands.
During fetal development, testosterone plays a key role in the development of the male reproductive system, including the formation of the , and prostate. It also plays a crucial role in the development of the male brain, including the parts of the brain that control reproductive functioning. Research has shown that testosterone influences the development of neural circuits in the hypothalamus and amygdala, which are involved in regulating behavior and reproductive physiology.
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What impact does adrenaline have
Answers
Which quiz score will a student most likely earn if he or
she studies for 40 minutes?
O 60%
O 70%
O'80%
O 90%
Answers
The arrangement of the polar and nonpolar parts of phospholipids in the cell membrane has what type of an effect on the function of the cell membrane?
Group of answer choices
It helps to control what substances move in and out of the cell.
It makes the cell membrane more rigid.
It helps the cell to keep its shape.
It helps keep proteins out of the cell.
Answers
Answer:
It helps to control what substances move in and out of the cell.
Explanation:
Phospholipid bilayers are critical components of cell membranes. The lipid bilayer acts as a barrier to the passage of molecules and ions into and out of the cell. However, an important function of the cell membrane is to allow selective passage of certain substances into and out of cells. This is accomplished by the embedding of various protein molecules in and through the lipid bilayer. These proteins form channels through which certain specific ions and molecules are able to move. Many membrane proteins also contain attached carbohydrates on the outside of the lipid bilayer, allowing it to form hydrogen bonds with water.
What is the thin-walled tube inferior to the uterus, anterior to the rectum, and posterior to the urethra and bladder
Answers
Answer:
The vagina
Explanation:
convection-enhanced delivery of nanocarriers for the treatment of brain tumors. biomaterials 30, 2302–2318.
Answers
The paper you mentioned is titled "Convection-enhanced delivery of nanocarriers for the treatment of brain tumors" and was published in the journal Biomaterials. The study focuses on the use of nanocarriers in a technique called convection-enhanced delivery (CED) for the treatment of brain tumors.
CED is a method that involves the direct delivery of therapeutic agents, in this case, nanocarriers, into the brain tissue. It allows for the precise targeting of the tumor site and bypasses the blood-brain barrier, which can limit the effectiveness of conventional drug delivery methods. Nanocarriers are designed to encapsulate and deliver therapeutic agents to the tumor site, providing controlled and sustained release of the drugs.
The paper discusses various aspects related to the application of CED using nanocarriers for brain tumor treatment. This includes the design and characterization of nanocarriers, optimization of the delivery process, evaluation of therapeutic efficacy, and considerations for clinical translation.
Overall, the study explores the potential of using nanocarriers and CED as a promising approach for improving the treatment of brain tumors by enhancing drug delivery efficiency and therapeutic outcomes.
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Which retroperitoneal compartment contains the psoas and quadratus lumborum muscles?a. anterior pararenal spaceb. perirenal spacec. posterior pararenal spaced. retrofascial spacee. none of the above
Answers
Answer:
Explanation:
The retroperitoneal compartment that contains the psoas and quadratus lumborum muscles is the posterior pararenal space (c).
The posterior pararenal space is located behind the peritoneum and extends along the posterior aspect of the kidneys. It contains the muscles of the posterior abdominal wall, including the psoas and quadratus lumborum muscles. These muscles play important roles in posture, spinal stability, and movement of the trunk.
The other options listed, such as the anterior pararenal space, perirenal space, and retrofascial space, do not specifically contain the psoas and quadratus lumborum muscles. They represent different regions or compartments within the retroperitoneal space that have distinct anatomical structures and contents.
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need done asap
List the genetic disorders found on chromosome 17. What do you know about any of those disorders?
Answers
Answer: Turner syndrome (45,X0),
Klinefelter syndrome (47, XXY), and.
Cri du chat syndrome, or the "cry of the cat" syndrome (46, XX or XY, 5p-).
Explanation: I am learning this in college now
The genetic disorders found on chromosome 17 are neurofibromatosis type 1, Smith-Magenis syndrome, acute myeloid leukemia, etc., and these are genetic and caused by mutations in certain genes.
What is the significance of chromosome 17?The number of chromosomes varies by species; in humans, there are 46 chromosomes, 44 of which are autosomes, and one pair of sex chromosomes. When chromosome 17 is mutated, neurofibromatosis type 1 develops, resulting in bone and skin abnormalities as well as cognitive impairment and out of other diseases, one is Charcot-Marie-Tooth disease, where peripheral nerves result in muscle weakness.
Hence, the genetic disorders found on chromosome 17 are neurofibromatosis type 1, Smith-Magenis syndrome, acute myeloid leukemia, etc., and these are genetic and caused by mutations in certain genes.
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At the end of transcription, rna polymerase dissociates from the dna when the enzyme reaches a site called the region.
Answers
The enzyme reaches a site called the region terminator.
As RNA polymerase approaches the ends of transcribed genes it encounters regions rich in C and G nucleotides. RNA transcribed from this region folds and binds complementary C and G nucleotides to each other. The result is a stable hairpin that stalls the polymerase.
Termination is the termination of transcription and occurs when RNA polymerase crosses the termination sequence of a gene. The mRNA strand is intact and separated from the DNA. Once termination is complete, the mRNA molecule sheds from the DNA template. At this point at least in eukaryotes, newly synthesized mRNAs undergo a process in which non-coding nucleotide sequences called introns are excised from the mRNA strand.
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The vertebrate digestive system consists of a two-way tube with
A. a separate mouth and anus and accessory organs.
B. a one-way tube with a separate mouth and anus and accessory organs.
C. a two-way tube with a separate mouth and anus.
D. a tube with a single opening that serves as mouth and anus.
E. a one-way tube with a separate mouth and anus and no accessory organs.
Answers
\(Hello!\)
It's option B.
I'm sure about that.
The vertebrate digestive system consists of a two-way tube with...\(ANSWER:\)B. A one-way tube with a separate mouth and anus and accessory organs.
During which phase of mitosis do the sister chromatids separate and head towards opposite poles of the cell?.
Answers
During anaphase, sister chromatids (or homologous chromosomes for meiosis I), will separate and move to opposite poles of the cell, pulled by microtubules.
Hope this helps:)
pls answerrrrr guys. i need the answer. if u answer i will mark u as brainliest and follow u too
Answers
Answer:
repeatable
Explanation:
Which codon is the start signal for translation?
AUG
UAA
ATG
UGA
Answers
Answer:
UGA is the start signal for a translation.
Which two scientists proposed an atomic model with a nucleas
Answers
Answer:
Thomson and Rutherford
Explanation:
Answer:
Rutherford and Bohr
Explanation:
what cell can only produce cells like itself
Answers
Answer:
Adult stem cells, like all stem cells, share at least two characteristics. First, they can make identical copies of themselves for long periods of time; this ability to proliferate is referred to as long-term self-renewal.
How can a chick caught in the jaws of a predator sometimes avoid death? Describe two FAPs of such a chick (include both the stimuli and the responses)
Answers
A chick caught in the jaws of a predator to potentially avoid death by either staying very still or distracting the predator enough to release its grip.
When a chick is caught in the jaws of a predator, it may have some instinctual behaviors that can help it avoid death. Two examples of such behaviors are the "freeze" and "distraction" FAPs.
The freeze response is triggered by the sight of a predator's looming presence. When a chick senses danger, it may stop moving and hold very still in an attempt to blend in with its surroundings and avoid being noticed. This FAP is triggered by the visual stimulus of the predator's presence and the response is to stay as still as possible.
The distraction response is another FAP that can help a chick avoid death. When a predator has caught a chick, it may become fixated on the prey in its jaws. In this situation, the chick may start to peck at the predator's face or eyes as a way to distract it and make it loosen its grip. This FAP is triggered by the stimulus of the predator's grip on the chick and the response is to peck at the predator's face or eyes.
Overall, these FAPs can help a chick caught in the jaws of a predator to potentially avoid death by either staying very still or distracting the predator enough to release its grip.
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Which statement best describes these images
A.b and d are animal and cell
B. A b and d are eukaryotic
C. A and c are prokaryotic
D. A b and c are all plants
Answers
lab: Using a compound microscope
Answers
What is the question exactly??
Prior to any modifications in an eukaryote, a transcribed RNA can be called Choose the TWO correct answers.
O siRNA
O tRNA
O rRNA
O mRNA
O hnRNA
O pre-mRNA
O IncRNA
O sחRNA
Answers
Prior to any modifications in an eukaryote, a transcribed RNA can be called hnRNA and pre-mRNA.
What is eukaryote ?
A eukaryote is a type of organism that has a nucleus and other membrane-bound organelles.
Therefore, Prior to any modifications in an eukaryote, a transcribed RNA can be called hnRNA and pre-mRNA.
hnRNA stands for heterogeneous nuclear RNA. It is the initial transcript of a gene that has not yet been processed. hnRNA contains exons and introns, which are later spliced out to form mRNA.pre-mRNA stands for precursor messenger RNA. It is the processed form of hnRNA that has had the introns removed. Pre-mRNA is then exported from the nucleus to the cytoplasm, where it is translated into protein.Learn more about eukaryote here : brainly.com/question/30584795
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What does chordates mean ?
Answers
Answer:
Chordata is a phylum (group) of animals which have a notochord. The group includes vertebrates, with some closely related invertebrates. In case you don't know what is notochord. Notochord. This flexible skeletal rod that's made of cartilage is what gives chordates their name.
The notochord runs between an animal’s digestive tube and its nerve cord and provides support for the body. It is the precursor of a backbone, or spine, in vertebrates.
Example : Any vertebrate you can think of is in the phylum Chordata. That means pandas, crows, sharks, salamanders, alligators, humans, etc.
Explanation:
Study the image of this rock.
The rock has many different colors in a horizontal pattern.
Which characteristic best supports its formation from sedimentary processes?
It has many layers.
It is coarse-grained.
Its grain shape is round.
Its texture is non-banded.
Answers
Answer: It has many layers.
Answer:
it is a
Explanation:
A plant from F1 generation of problem 3 is crossed with a plant from a true breeding dwarf lineage. What are the hw o types and phenotypes of the offspring
Answers
Answer:
Tt, Tt, tt, tt.
Phenotype: two tall and two dwarfs
Explanation:
The F1 generation will be the crossing of True tall and true dwarf plants to give all tall plants. Kindly note that the genotype for true tall plants is represented by TT, and the genotype for true dwarf plants is represented by tt. The crossing of the two true tall and true short gives Tt, Tt, Tt, Tt; in which the phenotype = all the plants are tall.
If the F1 generation is crossed with the true dwarf plants that is; Tt with tt. It gives us:
T t t t.
Tt, Tt, tt, tt. So, the phenotype is two tall and two dwarfs and the genotype is 2 of Tt and 2 of tt.
What is one food that contains complex
carbohydrates?
Answers
Answer:
whole grains
Explanation:
4 Some salmon have been genetically modified
to grow higger at a faster rate than wild salmon.
They are kept in fish-farming facilities and are
not released into the wild. Which statement
regarding genetically modified salmon is most
likely true?
Answers
Answer:
Tara Lynn mcknelly
Explanation:
Tara Lynn mcknelly
Examine the sentence that Eunice wrote to describe the male reproductive parts of a flower.
The filament is the main structure, which is made up of the stamen with the anther on top.
Which statement best describes Eunice’s sentence?
It correctly describes the male reproductive parts.
Eunice switched the stamen and the anther.
Eunice switched the filament and the stamen.
It correctly describes the female reproductive parts.
Answers
Answer:
i think its c
Answer: It should be C, Eunice switched the filament and the stamen
Explanation:
that is what i think it is, please comment if right or wrong?