Brodmann area 17, or V1 for visual one, is the name most neuroscientists use to refer to the primary visual cortex of the brain. This area, which is part of the occipital lobe's calcarine sulcus, is crucial for vision.
The region of the cerebral cortex underneath the temporal lobe is called the parietal lobe?Between your frontal and occipital lobes and above your temporal lobe is where your parietal lobe is situated. Your parietal lobe serves a variety of purposes. processing of sensory data.
What area of the brain is responsible for visual signals?One of the areas of the mammalian brain that has received the most research is the visual cortex, where the fundamental components of vision—detection of contrast, color, and movement—are merged to create our full and detailed visual sense.
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PLEASE ANSWER THESE THREE ( TIMED )
1. during which phase is the DNA duplicated?
2. what is the relationship between chromatin and chromosomes?
3. in which phase are chromatids pulled apart?
Answer: 1. During interphase, the cell grows, accumulating nutrients needed for mitosis, preparing it for cell division and duplicating its DNA.
2. DNA consist of the polynucleotide chain the DNA double helix is packaged by special proteins (histones) to form a complex called chromatin. The chromatin undergoes further condensation to form the chromosome.
3. Anaphase
Explanation:
Use the concept of negative feedback to explain body temperature control in humans.
Answer:
Negative feedback is a vital control mechanism for the body's homeostasis. ... When body temperature drops, the hypothalamus initiates several physiological responses to increase heat production and conserve heat: Narrowing of surface blood vessels (vasoconstriction) decreases the flow of heat to the skin.
Where does the egg receive its energy from?
options:
a. The ovum contains a large quantity of cytoplasm, which contains nutrients for the first days of development after fertilization. The cytoplasm of the ovum contains over 140 000 mitochondria to produce ATP required for growth.
b. The uterus contains over 140 000 mitochondria to produce ATP and supplies this to the egg for growth.
c. Similar to sperm it receives its energy from fructose through its path to the uterus.
d. The ovum contains a large quantity of fimbria, which contains nutrients for the first days of development after fertilization.
Answer:
Until attachment to the uterus, the developing organism is on its own. That means it needs to supply its own energy, so the cytoplasm of the human egg cell contains many energy-generating factories called mitochondria. Those mitochondria come only from the mother.
a. The ovum contains a large quantity of cytoplasm, which contains nutrients for the first days of development after fertilization. The cytoplasm of the ovum contains over 140 000 mitochondria to produce ATP required for growth.
Explanation:
What is the answer to this question
Answer: it is analogous
Explanation:
a metabolic pathway that is regulated by accumulation of one or more end products that act to shut down the first enzymatic reaction in the chain is said to be subject to:
A metabolic pathway that is regulated by accumulation of one or more end products that act to shut down the first enzymatic reaction in the chain is said to be subject to feedback inhibition.
Feedback inhibition is a type of negative feedback in which the product of a pathway inhibits the activity of an enzyme earlier in the pathway, thus slowing down or stopping the production of the product. This is a common mechanism for regulating metabolic pathways and maintaining homeostasis in the cell or organism.
Because the end products of a reaction are known to attach to the enzyme's allosteric site, which causes the enzyme to become inactive and produce fewer products, allosteric inhibition is also known as feedback inhibition.
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In what type of environment would you find extreme halophiles?
a) ice
b) hot springs
c) very salty water
d) anoxic swamps
e) a rain forest
Very salty water is the environment where extreme halophiles are found. Halophiles include a number of bacterial and eukaryotic organisms, the majority of which are members of the class Archaea.
An extremeophile who can survive in salty environments is referred to as a "halophile," which is Greek for "salt-loving." Examples include the alga Dunaliella salina and the fungus Wallemia ichthyophaga. Some well-known species, most notably bacteriorhodopsin, exude red-colored carotenoid molecules. Halophiles can be found in saltier water bodies besides the ocean, such as the Dead Sea, Urmia Lake in Iran, the Great Salt Lake in Utah, and Owens Lake in California. They can also be found in evaporation ponds.
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1. Use a map to find the approximate location of each food source on the map of
North and Central America in the Data for Part 1 section. Make a mark (eg, an Xor
a small circle) on the map below at each location to indicate the approximate source
of each of each food in the sample data. If it came from outside the map, use an
arrow to indicate that its source is overseas (10 points)
Map of North America and Central America
The food map of America is given as attached.
What is the explanation for this ?The map illustrates the prevalence of monoculture in the United States, with corn being the most extensively grown crop,occupying the largest land area.
Some counties have up to 63% of their land dedicated to corn cultivation. Soybeans rank second and are primarily used as livestock feed,rather than solely for tofu production.
Food maps are visual representations that depict the distribution and prevalence of different food crops or agricultural practices in specific regions or countries.
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Which of the following is the best description of cell division that takes place through the process of meiosis
A. Embryo is growing and developing in the womb
B. A sperm cell and egg cell combine, forming a zygote
C. Humans begin producing sperm
D. Skin cells are constantly being replaced as old ones shed away every day
The best description of cell division that takes place through the process of meiosis is when the humans begin to produce sperms. Thus, the correct option is C.
What is Meiosis?Meiosis is a type of cell division. It is also called as reductional division. Meiosis occurs in the sex cells. These result into production of gametes in the organisms which reproduce through sexual mode of reproduction.
Meiosis is divided into two divisions which are Meiosis I and Meiosis II. These results into four daughter cells which contain haploid or half set of chromosomes in comparison to the parent cells. The gametes produced from meiosis undergo fusion to produce diploid zygote (2n).
Therefore, the correct option is C.
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What kind of waves are present during an earthquake?
Answer:
Seismic Waves (S-Waves) and Primary Waves (P-Waves)
Explanation:
Which of your teeth are used for cutting and shearing food?
Answer:
Incisors is correct
Explanation:
Identify how a hormone molecule performs its function. formation of mRNA in the nucleus initiation of DNA replication because of a signal given by the hormone secretion of hormone by tissue synthesis of protein molecule by mRNA and tRNA binding of the hormone molecule with its receptor of the cell secretion of protein by the cell
Answer:
binding of the hormone molecule with its receptor of the cell.
Explanation:
Hormones are chemical messengers secreted or released by endocrine glands to effect a response in another location called target location. Hormones are proteinous molecules and like every other protein, its function is determined by its shape.
Hormones function or effect their changes by binding to the receptor of the target cell. The hormone recognizes and will only bind to its own receptor molecule on its target cell on order to bring about any change. This defines the specificity of the hormone.
Choose all that applyChoose all that apply What causes the relationship of carbon?
1.The death of living things
2.Volcanic eruption
3.burning fossil fuels
4.fires
How does the taiga differ from other forest ecosystems? (Select all that apply.)
The taiga gets more rainfall than the other ecosystems.
The taiga is abundant in coniferous trees.
The taiga is abundant in deciduous trees.
The taiga gets less rainfall than the other ecosystems.
The taiga differ from other forest ecosystems:
The taiga gets more rainfall than the other ecosystems.The taiga is abundant in coniferous trees.How does the taiga differ from other forest ecosystems?The taiga has many features that different it from the other forest biomes Evergreen trees - This forest is protected with evergreen, or coniferous, trees.
These are trees that does not drop their leaves, or needles, in the winter.
Thus, option "A and B" are correct, This forest is protected with evergreen, or coniferous, trees.
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Answer:
The taiga is abundant in coniferous trees.The taiga gets less rainfall than the other ecosystems. (forest ecosystems)Explanation:
The question says "from other forest ecosystems".
There are three types of forest ecosystems: taiga, temperate and rainforest. Forests ecosystems typically receive a good amount of rain, but there is slightly less rainfall in the taiga forest than in a temperate forest or rainforest.
(*) Sorry for my late answer but I hope this helps others that are looking for this.
question 11 which is true regarding niacin? a) it can be synthesized in the body from the amino acid tryptophan. b) eggs are a good source of preformed niacin. c) the niacin deficiency disease is beriberi. d) corn has a protective effect against niacin deficiencies.
a) it can be synthesized in the body from the amino acid tryptophan.
The water-soluble vitamin niacin, sometimes referred to as vitamin B3, is crucial for a number of metabolic activities in the body. Tryptophan, an amino acid, may be used by the body to create it. Iron, riboflavin, and vitamin B6 are among the other nutrients needed for this conversion. Although eggs do contain some niacin, they are not regarded as a significant source of niacin in its preformed form. Pellagra, not beriberi (which is brought on by thiamine deficiency), is the name of the niacin deficient illness. Since it is a staple food with little dietary variety, maize does not protect against niacin deficiencies and may even make people more susceptible to pellagra.
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Lactose intolerance is inherited through a recessive allele. A husband and wife both digest lactose properly. However, the wife's Mom is lactose intolerant. The husband's Dad is also lactose intolerant. What is the probability this couple will have children with a lactose intolerance problem?
There is a 25% chance that each child will inherit two dominant alleles for lactose tolerance and be completely lactose tolerant. Therefore, the probability that this couple will have children with a lactose intolerance problem is 25%.
If both the husband and wife digest lactose properly, then they both have at least one dominant allele for lactose tolerance. However, since the wife's mother is lactose intolerant, she must have two recessive alleles for lactose intolerance. This means that the wife has one dominant allele for lactose tolerance and one recessive allele for lactose intolerance.
Similarly, since the husband's father is lactose intolerant, he must also have two recessive alleles for lactose intolerance. This means that the husband has one dominant allele for lactose tolerance and one recessive allele for lactose intolerance as well.
When these two individuals have children, each child will inherit one allele from each parent. Since both parents have a recessive allele for lactose intolerance, there is a 25% chance that each child will inherit two recessive alleles for lactose intolerance and therefore be lactose intolerant.
However, there is also a 50% chance that each child will inherit one dominant allele for lactose tolerance and one recessive allele for lactose intolerance, making them lactose tolerant but still carriers of the recessive allele for lactose intolerance. Finally, there is a 25% chance that each child will inherit two dominant alleles for lactose tolerance and be completely lactose tolerant. Therefore, the probability that this couple will have children with a lactose intolerance problem is 25%.
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Active transport is the movments across the plasma membrane that requires ___?
Will give brainliest.. I need it fast! Please?
Answer:
the active transport is the movement of lipid-soluble molecules through the plasma membrane is energy from ATP.
Explanation:
Hope this helps!
If not, I am sorry.
Passive mechanisms like diffusion use no energy, while active transport requires *energy* to get done.
( hope this helps ✌ )
List three factors that would explain a decrease in the elephant population.
Answer:
1. poaching elephants for their ivory
2. loss of habitat and fragmentation due to human population expansion
3. tourism and capture from the wild
Answer:
The current decrease in elephant populations is primarily due to illegal poaching, demand for ivory products, and factors associated with human population growth.
Explanation:
I don't know if you need specifics but these are three factors.
Organic agriculture is an ecological production management system that promotes and enhances _____ (select all that apply) a) climate changeb) biodiversityc) improved quality of human life d) shortages of food e) degradation of the environment
The correct answers are:
b) biodiversity
c) improved quality of human life
What is Biodiversity?
Biodiversity refers to the variety of life on Earth at all levels of organization, including genetic diversity within species, the diversity of species themselves, and the diversity of ecosystems. It encompasses the range of different habitats, biological communities, and ecological processes that occur in nature. Biodiversity is important for maintaining the balance of ecosystems, providing ecosystem services, and sustaining human societies.
Organic agriculture is known for its focus on sustainable and environmentally friendly farming practices, which can help mitigate the effects of climate change and promote biodiversity. Additionally, organic food is often viewed as healthier and safer for human consumption, leading to an improved quality of life for consumers.
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Select the correct answer from each drop-down menu. is a process that’s absent in cellular respiration in anaerobic organisms but present in aerobic organisms. is a process that doesn’t require oxygen.
The Krebs cycle is a process that is absent in cellular respiration in anaerobic organisms but present in aerobic organisms. The Calvin cycle is a process that doesn't require oxygen.
The Krebs cycle cannot take place in the absence of oxygen, although oxygen is not directly involved in the cycle. The oxygen is required for the electron transport chain, involved in the four reduction reactions of the cycle.
The Calvin Cycle uses one molecule of glyceraldehyde. The six left over oxygen atoms are released into the atmosphere where they are available for use in respiration.
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En una isla oceánica aislada hay una especie de pájaros, la
mayoría de plumaje gris. Una variedad con manchas blancas
constituye el 4% de la población. Esta característica se debe a un
gene recesivo (s) al del plumaje de color gris entero (S).
¿En qué frecuencia se encuentra el gene s?
a 0. 3
b 0. 2
c 0. 1
d 0. 5
In an isolated oceanic island, a species of birds exists with the majority of gray plumage. A variety with white spots constitutes more than 100 of the population.
This characteristic is due to a recessive gene (s) to the entire gray color plumage (S). What is the frequency of the s gene?The frequency at which the gene s is found can be calculated as follows:Frequency of the gene s = square root of the proportion of the population that has the characteristic (white spots).Therefore, the frequency of the s gene would be:frequency of s = sqrt(0.04)frequency of s = 0.2Therefore, the correct option is b. 0.2.
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which of the following structures helps our sense of balance
Answer:
D answer is correct
Explanation:
semi circular helps our sense of balance
Answer:
eardrum
Explanation:
The ear is a sensory organ that picks up sound waves, allowing us to hear. It is also essential to our sense of balance: the organ of balance (the vestibular system) is found inside the inner ear. It is made up of three semicircular canals and two otolith organs, known as the utricle and the saccule
All cells have which of the following structures?
Answer:
No matter which type of cell we are considering, all cells have certain features in common, such as a cell membrane, DNA and RNA, cytoplasm, and ribosomes. Eukaryotic cells have a great variety of organelles and structures.
Explanation:
All cells have the following structures: DNA, Cytoplasm, Ribosomes, and Cell Membrane. Therefore options A, B, C, and E are correct.
1. DNA: Genetic material that carries the instructions for the cell's growth, function, and reproduction.
2. Cytoplasm: A gel-like substance that fills the cell and contains various organelles and molecules.
3. Ribosomes: Cellular structures responsible for protein synthesis, using the instructions encoded in DNA.
4. Cell Membrane: A semi-permeable barrier that surrounds the cell, controlling the movement of substances in and out of the cell.
These structures are fundamental to the functioning of all cells, regardless of their type or complexity.
They play essential roles in maintaining the cell's integrity, metabolism, and genetic inheritance, enabling cells to perform various tasks necessary for life.
Therefore options A DNA, B Cytoplasm, C Ribosomes, and E Cell Membrane are correct.
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Your question is incomplete, but most probably your full question was.
All cells have which of the following structures?
A. DNA
B. Cytoplasm
C. ribosome
D. nucleus
E. cell membrane
best defines homeostasis
Sentence:
The skill of keeping internal stability in an organism to regroup for environment changes
Word/Synonym:
Equilibrium
Students were given a list of seven elements and asked to identify the four elements that are most abundant in biomolecules
Answer:
Carbon, Hydrogen, Oxygen, Nitrogen
Explanation:
In many biomolecules, we have Carbon, Hydrogen, Oxygen, Nitrogen. These elements are somewhat central to life activities.
If we take carbohydrates for instance, they are composed of Carbon, Hydrogen and Oxygen. Carbohydrates are energy molecules which are broken down to supply energy in the body.
Proteins all contain nitrogen because they involve the amino group. Hence, Carbon, Hydrogen, Oxygen and Nitrogen are most abundant in biomolecules.
What are cell cycle regulators
Answer: A conserved set of cyclin-dependent protein kinases (Cdks) initiate or regulate events through phosphorylation of intracellular proteins, thus controlling cell cycle progression, terminal differentiation, and apoptosis.
Explanation: Your welcome! ;D
what worries scientists about mapping? (oceans)
Answer:
I think the safety of the marine communities and the fact that there's too much water in the way to do mapping
Explanation:
a motor command to the biceps brachii muscle in the arm would pass thru which of the rami? gray ramus white ramus dorsal ramus ventral ramus
The musculocutaneous nerve.At the humeral head, the long biceps tendon curves sharply before continuing on in the bicipital groove. Ligaments at the capsular region hold this pivotal point in place.
The subscapularis tendon is anatomically situated anterior to the biceps tendon, which is located in the bicipital groove, and attaches to the lesser tuberosity. Along with the transverse humeral ligament, the subscapularis tendon assists in keeping the LHBT in the bicipital groove stable.
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yoar until full yesting is reached at the end of the 7th yoar. True Falsec
The statement "Yoar until full yesting is reached at the end of the 7th yoar" is false because it contains multiple errors.
Firstly, the word "yoar" is likely a misspelling of the word "year." Secondly, the phrase "until full yesting is reached" is unclear and doesn't convey a meaningful idea. Additionally, the repetition of the word "yoar" at the end of the statement appears to be another typographical error.
Overall, the statement lacks coherence and logical consistency, making it impossible to identify a specific reason for its falsehood. It is important to ensure clear and accurate communication to convey accurate information and avoid confusion or misunderstanding or multiple errors.
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the process that converts fibrinogen to fibrin and results in the formation of a more solid clot is called __________. a.thrombolysis platelet b.plug formation c.clot retraction d.coagulation
The process that converts fibrinogen to fibrin and results in the formation of a more solid clot is called coagulation.
This process involves a series of complex events that lead to the activation of various clotting factors, resulting in the formation of fibrin.
Fibrin acts as a net-like structure, trapping platelets and other blood cells to form a clot.
Once the clot is formed, the process of clot retraction begins, which involves the contraction of platelets, resulting in the tightening of the clot.
This is followed by the process of thrombolysis, where the clot is dissolved by the action of enzymes, allowing for the healing of the affected area.
Therefore, the correct option is D.
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How did Kai acquire NF1? How likely is it that the Rossis will have another child with NF1?
Neurofibromatosis type 1, commonly known as NF1, is a genetic disorder that affects approximately 1 in 3,000 people worldwide. It is an autosomal dominant disorder, meaning that a person only needs to inherit one copy of the NF1 gene from a parent in order to develop the disorder.
Kai Rossi, a young boy from the United States, was diagnosed with NF1 in 2019. His parents, John and Sarah Rossi, were both carriers of the NF1 gene, although neither of them have the disorder. This means that each time they had a child, that child had a 50% chance of inheriting the NF1 gene from either of them. As luck would have it, Kai inherited the NF1 gene from his parents and developed the disorder.
The likelihood of the Rossis having another child with NF1 depends on whether or not they are still carriers of the gene. If they are, then the chance of their next child inheriting the NF1 gene is still 50%. However, if they have since had genetic testing and found out that they are no longer carriers, then the chance of their next child developing NF1 is significantly lower.
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