Reaction B: 6
A ___ + 6H2O+ energy --->C. H12O6 +6_B
What molecule does blank with letter A represent in the reaction above?
O carbon dioxide
O water
O oxygen
O ATP
Answer:water
Explanation:
During photosynthesis 6 molecules of carbon dioxide are required to synthesize a glucose molecule, hence option a carbon dioxide is correct.
What is the reaction of photosynthesis?Six carbon dioxide molecules are required, one for each carbon atom in glucose. As a byproduct of water oxidation, 6 molecules of oxygen are created, 6CO2+6H2O→C6H12O6+6O2.
The endergonic pathway requires free energy, which is provided by sunlight. Plants absorb carbon dioxide (CO2) and water (H2O) from the air and soil during photosynthesis.
Organisms primarily employ two types of molecules: glucose and ATP. Both compounds are used as fuels by all living things. Both chemicals are also important in the photosynthesis process.
Therefore 6 carbon dioxide is used in reaction, hence option a carbon dioxide is correct.
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Neurons are to the nervous
system as
are to the
endocrine system. Both are used
to "send" messages.
A. hormones
B. emotions
C. memories
Answer:
A.) hormones
Explanation:
Neurons are to the nervous system as hormones are to the endocrine system.
The endocrine system regulates all of our bodily processes via the feedback of hormones.
If several highly educated scientists all study the same scientific data, which of the following is most likely to explain why they may all have different conclusions?
If several highly educated scientists all study the same scientific data, then they may have different conclusions because of the following factors:
Interpretation of data: Each scientist may have a different interpretation of the data, leading to different conclusions. This is because interpreting data involves the use of subjective judgment and prior experiences with similar data.
Personal biases: Personal biases may also affect the conclusions drawn from the scientific data. Personal biases refer to a scientist's preconceived ideas or prejudices that can influence their interpretation of the data. This can affect their ability to draw an objective conclusion.
Overemphasis of certain aspects: The overemphasis of certain aspects of the data or leaving out of certain details can result in different conclusions among scientists. Scientists may focus on different aspects of the data, leading to different conclusions.
Experimental setup and procedure: The experimental setup and procedure can also have an impact on the conclusions drawn from the data. If there are variations in the experimental setup or procedure, it can lead to different conclusions among scientists.
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How many chromosomes would you expect to be in the daughter cells of the mosquito after meiosis? When starting with 6
Answer:
The correct answer would be - three chromosomes.
Explanation:
Meiosis is the type of cell division that takes place in only sex cells and called reduction division as a single parent cell divide into four daughter cell that contains a half number of chromosomes as the parent cell.
The daughter cells are always haploid and have the half number of chromosomes. If an organism has 2n number of in its parent sex cell the daughter cells after meiosis will have n number of chromosomes
Therefore, mosquito = 2n = 6
after meiosis = n = 6/2 = 3
Thus, the correct answer would be - 3 chromosomes.
Where in the cell is the rough endoplasmic reticulum located?
Answer:
Rough ER is named for its rough appearance, which is due to the ribosomes attached to its outer (cytoplasmic) surface. Rough ER lies immediately adjacent to the cell nucleus, and its membrane is continuous with the outer membrane of the nuclear envelope.
Explanation:
SOMEONE I NEED HELP!! I'M STUCK 30 POINTS!!!!!
PART A
An advantage of mitosis is the result of genetically____________.
A. Different
B.Identical
PART B
cells being reproduced
A. slowly
B. Quickly
Although California would be admitted to the Union as a free state, the Compromise of 1850 also required that Group of answer choices the slavery question, in the new territories gained from the Mexican War, be decided by popular sovereignty. Arizona be admitted as a slave state.
The Compromise of 1850 was a series of laws that aimed to resolve the growing tensions between free and slave states in the United States. One of the key provisions of this compromise was that although California would be admitted to the Union as a free state, the issue of slavery in the newly acquired territories from the Mexican War would be decided by popular sovereignty. This meant that the residents of those territories would vote on whether or not to allow slavery.
However, it was also agreed that Arizona would be admitted as a slave state. This compromise was an attempt to maintain the balance between free and slave states, but it ultimately failed and only intensified the debate over slavery in the years leading up to the Civil War.
In summary, the Compromise of 1850 allowed California to enter as a free state while leaving the decision of slavery in new territories to popular sovereignty and admitting Arizona as a slave state.
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7. What is the proper sequence of events in maintaining homeostasis?
a. 1. Stimulus, 2. Receptor, 3. Signal, 4. Response
b. 1. Stimulus, 2. Response, 3. Signal, 4. Receptor
C. 1. Receptor, 2. Stimulus, Signal, 4. Response
d. 1. Signal, 2. Receptor, 3. Stimulus, 4. Response.
Answer:
a.
Explanation:
stimulus, receptor detects changes, input info and output info(signal), response
a. 1. Stimulus, 2. Receptor, 3. Signal, 4. Response
Homeostasis is any self-regulating process by which an organism tends to maintain stability while adjusting to conditions that are best for its survival.
If homeostasis is successful, life continues; if it's unsuccessful, it results in a disaster or death of the organism.
Proper sequence of events in maintaining homeostasis:
Stimulus: Produces change in variable, change detected by receptor. Input: Information sent along efferent pathway to control center. Output: Information sent along efferent pathway to activate effector. Response: Feeds back to influence magnitude of stimulus and returns variable to homeostasis.Therefore, the correct option is a.
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which vessel is typically the most superior of the pulmonary vessels? question 17 options: right pulmonary artery right pulmonary vein left pulmonary artery left pulmonary vein
In comparison to the pulmonary vein, the pulmonary artery is superior and has thicker, stronger walls.
Deoxygenated blood from the right side of the heart is transported by the pulmonary arteries to the lungs where it is oxygenated. These blood veins act as a bridge connecting the right side of the heart to the lungs. The lobar, segmental, and sub-segmental arteries of the lungs further separate into the right and left pulmonary arteries, which particularly supply blood flow to their respective lungs. These lungs' capillaries are finally enclosed by alveoli. The pulmonary circulation, which has been described as a high capacitance, low-pressure system, is suited for efficient gas exchange.
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How might it be possible for your baby to show a trait that neither you or your mate has?
Answer:
it could be passed on from generations, even though if your mother or father doesn't have those traits
Color-blindness is a X-linked recessive disorder. under what circumstances will manifest in a child?
A) if the child is a male and it's mother has the recessive allele
B) if the child is a female and it's father has the recessive allele
C) If the child is a female and it's mother has the recessive allele
D) If the child is male and it's father has the recessive allele
Answer: A
Explanation: the gene can only be passed on the x gene, so if you are a male, you only have one x gene, so it dominates without the presence of another x gene
Answer:
A
Explanation:
because males are XY and females are XX, if two people have a son, he will receive a Y chromosome from his father and an X chromosome from his mother, if one of her alleles is recessive color blindness, there is a chance he could be color blind.
1. What is the role of a receptor in helping an
organism maintain homeostasis?
A. receives messages sent by the control center
B. carries out a response to restore internal
conditions
C. detects stimuli and sends information to the
control center
D. compares current conditions with ideal values
for those conditions
Answer:
b
Explanation:
Homeostasis has been the tendency of the organism to maintain the equilibrium state. The stimuli are detected and transmitted to the control center by the receptors. Thus, option C is correct.
What is homeostasis?Homeostasis is the physiological process that monitors the internal environment of the body. This involves the feedback system that includes receptors that report and transfers the information to the control center of the body.
The receptor is involved in detecting the stimuli in order to generate the response through the feedback control system. The mechanism involves the effector that provides a response to the stimuli detected and transmitted by the receptors.
Therefore, in option C. the receptor sends information by detecting the stimuli.
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Mannitol is a drug that temporarily disrupts tight junctions. This drug is often added to medications that need to get into the extra-cellular fluid of the brain because it will make the capillaries of the ________ more permeable to larger molecules. Mannitol is a drug that temporarily disrupts tight junctions. This drug is often added to medications that need to get into the extra-cellular fluid of the brain because it will make the capillaries of the ________ more permeable to larger molecules. blood-brain barrier meninges ventricles arachnoid villi
Answer:
Mannitol is a drug that temporarily disrupts tight junctions. This drug is often added to medications that need to get into the extra-cellular fluid of the brain because it will make the capillaries of the blood-brain barrier more permeable to larger molecules.
Explanation:
The blood-brain barrier's components are endothelial cells, basement membrane, pericytes, and astrocyte endfeet. The gaps between endothelial cells are small. As a consequence, they form tight junctions that allow the passage of specific and small molecules. In this way, the barrier stops any pathogen from entering the brain. That is to say, that the blood-brain barrier is extremely selective; therefore, medications will not pass through it, so to allow the medicine to enter the brain extracellular fluid, the tight junctions of the endothelial tissue must be disrupted with mannitol.
what can be known about this situation?
Which situation do u mean?
Why are senses necessary for behavior?
Answer: Senses are necessary for behavior because behavior is a response to an organism's environment. Without senses, the organism would be unable to sense anything in the environment to react to. Senses tell an organism what to avoid and what to interact with; they guide the organism's decisions. Even organisms with very simple senses have some way to detect changes in the environment that need to be reacted to.
Students who use memorization strategies such as chunking and clustering can remember much more than those who do not.What is the Independent Variable and why?What is the dependent Variable and why?
Dependent variable is a variable that changes because of the manipulation of the independent variable. The dependent variable in the scenario is the memorization capacity of the students since it is being manipulated by the strategies such as chunking and clustering to produce an outcome.
Independent variable is a variable that does not depend on another variable. It can stand alone and it does not change. The independent variable in the scenario is the memorization strategies such as chunking and clustering. Application of such strategies does not affect the status of the strategies.
Assuming sexual reproduction and that no mutations have occurred, which of the following offspring genotypes is NOT possible for the given parent genotypes?
Genotype B is NOT possible for the given parent genotypes.
This genotype resembles one parent's genotype. It is based on the supposition that gamete fusion and chromosomal nondisjunction did not take place. In sexual reproduction, the child receives half of its chromosomes from each parent, hence the offspring cannot have the same genotype as one parent. This explains why, throughout the meiotic process of creating gametes, the number of chromosomes is cut in half.
What is genotype?An organism's genotype is made up of all of its genetic components. The alleles or variations that an individual carries in a specific gene or genetic region are also referred to as the genotype.
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How Is the Nature of the Geologic Activity That Is Observed Near a Plate Boundary Related to the Type of Plate Interaction That Occurs at That Boundary?
The endosymbiotic theory explains how organelles inside eukaryotic cells are descended from ancient _____
Unicellular prokaryotic organisms
Unicellular eukaryotic organisms
Multicellular prokaryotic organisms
Multicellular eukaryotic organisms
The endosymbiotic theory explains how organelles inside eukaryotic cells are descended from ancient unicellular prokaryotic organisms.
What is the Endosymbiotic Theory?The endosymbiotic theory, often known as symbiogenesis, is the idea that the first eukaryotic cells evolved through a symbiotic relationship between two or more prokaryotic organisms. It states that organelles inside eukaryotic cells, such as mitochondria and chloroplasts, were once free-living unicellular prokaryotic organisms that were engulfed by a host cell and evolved into specialized cell components over time.
How does the Endosymbiotic Theory explain the origin of eukaryotic organelles?According to the endosymbiotic theory, eukaryotic cells arose from the interaction of several distinct types of prokaryotic organisms. The theory claims that a host cell first consumed an aerobic bacteria, allowing the development of mitochondria. Later, it took up a cyanobacteria, resulting in the development of chloroplasts in some eukaryotic organisms.
This theory explains how eukaryotic cells came to be and how their organelles evolved, allowing them to accomplish complex cellular functions. This has implications for the evolution of all life on earth, as it means that multicellular organisms emerged from simpler, single-celled organisms in a process of co-evolution that resulted in the development of complex, differentiated organisms.
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which of the following is false or incorrect?question 20 options:a nerve impulse occurs if the excitatory and inhibitory effects are equal.an inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane.an excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold.
The following statement is false or incorrect: "A nerve impulse occurs if the excitatory and inhibitory effects are equal." Option A is correct.
A nerve impulse, also known as an action potential, is a brief electrical signal that travels along the membrane of a neuron, allowing for rapid communication within the nervous system. The nerve impulse is initiated by the opening of ion channels in response to a depolarizing stimulus, such as the binding of a neurotransmitter molecule to a receptor on the neuron's membrane.
A nerve impulse, occurs when the excitatory effects on the neuron are greater than the inhibitory effects and reach a threshold level of depolarization, triggering the opening of voltage-gated ion channels and resulting in the rapid depolarization of the membrane potential. If the excitatory and inhibitory effects are equal, the membrane potential will not reach the threshold for an action potential, and no nerve impulse will occur.
Hence, A. is the correct option.
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--The given question is incomplete, the complete question is
"Which of the following is false or incorrect? Options: A) a nerve impulse occurs if the excitatory and inhibitory effects are equal. B) an inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. C) an excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold."--
The pluripotent, undifferentiated cells in the bone marrow that give rise to the formed elements are called _____ cells
The pluripotent, undifferentiated cells in the bone marrow that give rise to the formed elements are called stem cells.
Pluripotent stem cells have the ability to undergo self-renewal and to give rise to all cells of the tissues of the body. However, this definition has been recently complicated by the existence of distinct cellular states that display these features.
There are two types of pluripotent stem cells :
Embryonic stem cells (ESCs)Induced pluripotent stem cellsEmbryonic stem cells are derived from the inner cell mass (ICM) of pre-implantation embryos and can be indefinitely maintained and expanded in the pluripotent state in vitro. Pluripotent stem cells can also be obtained by inducing dedifferentiation of adult somatic cells through a recently developed in vitro technology, known as cell reprogramming.
Similarly to Embryonic stem cells , Induced pluripotent stem cells can be expanded indefinitely and they are capable to differentiate in all the derivatives of the three germ layers.
Another intriguing features of being pluripotent is its reliance on gene expression heterogeneity.
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In fern, asexual reproduction takes place through
(a) spore formation
(b) fragmentation
(c) budding
(d) binary fission
Answer:
(a) spore formation............
Answer:
a) spore formation
Explanation:
since it does not have flowers to reproduce it reproduces by spore
what is the most common reason that dna analyses overturn incorrect criminal convictions?
The most common reason that DNA analyses overturn incorrect criminal convictions is due to mistaken identity or false confessions.
DNA evidence can prove that the individual convicted of the crime was not the actual perpetrator or can demonstrate that the confession was coerced or given under duress. In many cases, DNA analysis has also revealed errors or misconduct by forensic analysts or law enforcement personnel, leading to wrongful convictions being overturned. The most common reason that DNA analyses overturn incorrect criminal convictions is due to the presence of DNA evidence that conclusively excludes the convicted individual as the perpetrator of the crime. This evidence can effectively demonstrate that another person was responsible for the crime, thus proving the convicted individual's innocence.
In many cases, DNA analyses help to correct wrongful convictions that resulted from faulty eyewitness testimonies, unreliable forensic evidence, or inadequate legal representation. By utilizing advanced DNA testing techniques, investigators can more accurately identify the true perpetrators and rectify injustices in the criminal justice system.
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What does it mean to analvze data? O A. To develop a possible answer to a scientific question • B. To support a hypothesis O c. To predict what will happen if a hypothesis is true • D. To examine or interpret observations
To analyze data means to examine or interpret observations.
Therefore option D is correct.
What is data?Data is described as a collection of discrete values that convey information, describing quantity, quality, fact, statistics, other basic units of meaning, or simply sequences of symbols that may be further interpreted.
Data analysis is described as a process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions, and supporting decision-making.
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Select the statements that best describe how nucleotides pair with one another in a DNA molecule. Select the TWO answers that are correct. -Adenine pairs with thymine, and guanine pairs with cytosine. -Nucleotides pair with each other, joining two strands of DNA by hydrogen bonding.
Correct answers: -Adenine pairs with thymine, and guanine pairs with cytosine. -Nucleotides pair with each other, joining two strands of DNA by hydrogen bonding. Adenine is one of the four nucleobases found in DNA and RNA, along with cytosine, guanine, and thymine (uracil in RNA).
What are guanine pairs?Guanine pairs are a type of base pair found in DNA molecules. Specifically, they are composed of two guanine molecules that are hydrogen-bonded together, with three bonds between the two molecules. Guanine pairs are also referred to as "G-C pairs" because they are connected to cytosine molecules in the double helix. Guanine pairs stabilize the DNA molecule and help it to maintain its structure.
What are nucleotides?Nucleotides are the building blocks of DNA and RNA. They are made up of three components: a nitrogenous base, a phosphate group, and a five-carbon sugar group. The nitrogenous base consists of one of four molecules — adenine (A), guanine (G), thymine (T), and cytosine (C). The phosphate group attaches the nucleotide to the sugar group (deoxyribose in DNA and ribose in RNA). The sugar group provides the molecule with its unique structure and allows for the formation of DNA’s double helix. By pairing up A with T and C with G (in DNA or U with A and C with G in RNA), the individual nucleotides create bonds to result in a genetic code that can be transcribed and translated.
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1. You and your classmate are discussing different organs and organ systems within the human body.
Your friend states that the excretory system includes multiple organs, and one of those organs is the
lungs. You argue that the lungs can't possibly be in the excretory system since it is part of the
respiratory system. Which of the following choices would be the best statement that your friend
would use to justify why the lungs help keep homeostasis for the excretory system?
A. The lungs bring in oxygen, which is a vital gas to keep our cells alive and healthy.
B. The lungs exhale carbon dioxide, which is a waste gas and needs to be removed from the body.
C. The lungs provide cells with a gas that is important for the cell process of respiration.
D. The lungs remove waste in the forms of solids, liquids, and gases that could be harmful for the body,
Which trait is least likely to be modified by environmental influences? life span height blood type weight
Answer:
It's blood type
Explanation:
im in k12 and had a quiz about it.
Which sentence from the excerpt best illustrates Noah’s conflict? "Is Joey writing a B & B to Grandma and Grandpa Eberle?" She explained—not too patiently—that a B & B letter is a bread and butter letter you write to people to thank them for having you as their houseguest. My brother Joey had been sent to my other set of grandparents, who live in a normal suburb in Connecticut. My mother insisted that I write a B & B letter to my grandparents
The sentence best illustrates Noah's conflict "My mother insisted that I write a B & B letter to my grandparents."
This sentence best illustrates Noah's conflict as it shows that he is in disagreement with his mother's expectation for him to write a letter to his grandparents, possibly indicating that he does not want to do it or is frustrated with the task.
E. L. Konigsburg's elementary school book The View from Saturday tells the tale of Mrs. Olinksi's academic bowl team. The sixth-graders don't seem like the kind of kids who would be friends, but as the novel progresses, we gradually understand how these students come to be friends and work as a team. The narrative is distinctive in that it alternates between the perspectives of each pupil and Mrs. Olinksi, giving the tale a dynamic quality.
The complete question is:-
Use “The View from Saturday” to answer questions 1-5. Which sentence from the excerpt best illustrates Noah’s conflict? “Is Joey writing a B & B to Grandma and Grandpa Eberle?” She explained—not too patiently—that a B & B letter is a bread and butter letter you write to people to thank them for having you as their houseguest. My brother Joey had been sent to my other set of grandparents, who live in a normal suburb in Connecticut. My mother insisted that I write a B & B letter to my grandparents.
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a wildtype allele and a mutant allele differ by a few nucleotides in the gene sequence for an important protein in neuron metabolism. in an individual who is a heterozygote, both the mutant and the wildtype proteins are synthesized in neurons. at the organismal level, the mutant allele is:
Wild type and mutant are recessive alleles. The allele that is not expressed when there is heterozygosity. untamed type a person with a typical phenotype.
the trait that is typically present in an organism's natural population. mutant a person who deviates from the typical phenotype in some way. The terms "wild type" and "mutant" refer to people with normal phenotypes shared by the bulk of the natural population, while "mutant" refers to those whose phenotypes deviate from those of the normal population. Melanocytes, a kind of cell, are responsible for producing the protein melanin. Melanin has a crucial role in shielding the skin from the sun's UV rays, which may damage DNA and lead to skin cancer. Albinism is brought on by both alleles of the gene being autosomal recessive. Recessive mutant alleles are those that result in proteins with diminished or nonexistent function.
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Both mutant and wild-type alleles are recessive. the allele that is silenced in a heterozygote situation. a person with a characteristic phenotype is the untamed type.
A characteristic that is frequently seen in an organism's natural population. a mutant is a person whose phenotype differs in some manner from the norm. "Wild type" and "mutant" refer to individuals whose phenotypes are similar to those of the majority of the natural population.
"Mutant" describes individuals whose phenotypes differ from those of the normal population. The cell type called melanocytes is in charge of making the melanin protein. Melanin is essential for protecting the skin from UV radiation, which can harm DNA and cause skin cancer.
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all cells that make up an organism contain the exact same dna sequence (genome) however individual cell-types look and function very differently. why?
While all cells in an organism contain the same DNA sequence (genome), not all genes are expressed in every cell type. The process by which genes are turned on or off in different cell types is called gene expression, and it is controlled by a variety of regulatory mechanisms.
One key regulatory mechanism is epigenetics. Epigenetic modifications can alter the structure of DNA, such as the addition or removal of chemical groups, without changing the underlying DNA sequence. These modifications can affect the accessibility of genes to transcription factors and RNA polymerase, which are responsible for initiating gene expression. Different cell types can have different patterns of epigenetic modifications, which can lead to differential gene expression.
Another regulatory mechanism is alternative splicing, which allows different variations of the same gene to be expressed in different cell types. During alternative splicing, different segments of the pre-mRNA are spliced together to create different mRNA transcripts, each of which can encode a different protein isoform.
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