Answer:
Violence in society
Explanation:
During complex and demanding tasks, teens ________________. overload their frontal lobes overload their flocculonodular lobe distribute the workload evenly throughout the brain distribute the workload evenly between abducens nucleus and globose nucleus
Answer:
The correct answer is: overload their frontal lobes.
Explanation:
The frontal lobes are one of the four major brain lobes found in humans and are located at the front of each hemisphere. Frontal lobes are responsible for many important things, such as voluntary movement, numeracy skills, language and decision making.
The frontal lobes start developing in childhood and keep maturing until early adulthood. Their front part, the prefrontal cortex, is the latest to develop and is responsible for controlling impulses - which explains why kids and teenagers are much more impulsive than adults.
The flocculonodular lobe is in the cerebellum and is involved in moving the head and the eyes in order to maintain balance.
The abducens nucleus (located in the brain stem) coordinates the movements of the two eyes, and the globose nucleus (located in the cerebellum) coordinates the connection between the cerebellum and the rest of the central nervous system.
Enzymes that breakdown disaccharides are located ________. a. in the lumen of the small intestine.
Felicia wants to follow the "check your steps" rules for food safety. when she prepares high-risk foods, she avoids cross contamination, cooks raw foods to their safe internal temperatures, and chills leftovers within 30 minutes after serving them. after eating one of her meals, felicia and her dinner guests developed a food-borne illness. based on this information, which step did she fail to take?
a. clean
b. pasteurize
c. irradiate
d. salt
Which structure is an example of a hinge joint? skull wrist knee hip description?
The correct answer would be the knee.
A expresses dna that has been derived from another species. 2. dna that has been altered to contain genes, or portions of genes, from different organisms is known as . 3. a , which is found naturally in bacteria, cuts dna at a specific nucleotide sequence. 4. is the use or alteration of organisms, cells, or biological molecules to produce food, drugs, or other goods. 5. is a technique used to quickly synthesize billions of copies of a specific segment of dna. 6. in a process known as , bacteria take up pieces of dna from their surroundings.
Genetic engineering is the manipulation of genes using cloning and transformation to change the gene structure. Genetic engineering has many positive outcomes. For example, A) gene therapy might cure one defect while creating another. B) genetic modification of foods can increase their medicinal value. C) increasing the taste of crops while decreasing the nutritional value. D) gene transfers of resistance genes increase possibility of disease agents.
Genetic modification of foods can increase their medicinal value is genetic engineering.
What is genetic engineering?Genetic engineering, often known as genetic modification, is the process of changing the DNA within the genome of an organism. This could entail adding an extra copy of a gene, altering one base pair (A-T or C-G), or erasing a whole section of DNA.
It might also entail taking DNA from the genome of another organism and fusing it with the DNA of the individual. Scientists employ genetic engineering to improve or change an individual organism's traits. Any organism, from a virus to a sheep, can be subjected to genetic engineering.
Therefore, Genetic modification of foods can increase their medicinal value is genetic engineering.
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Both of tim's parents have brown eyes, but tim has blue eyes. how is this possible? choose the best answer.
What feature does not apply to the nervous system in comparison to the endocrine system?
Why do mobile advertisers care about driving physical store traffic? answer?
a student is infected by a common cold virus ran a low-grade fever. After a few days, the students temperature returned to normal and the student was free of cold symptoms. the fever served as
Cytochrome c can be reduced directly by small molecules such as ascorbate (vitamin c). if ascorbate is added to an oxygenated solution containing purified cytochrome c and cytochrome oxidase, what would you predict would occur?
a.atp synthesis would occur.
Ascorbate would reduce cytochrome c by donating electrons, which could then be passed to cytochrome oxidase and then to oxygen. However, this process does not directly cause ATP synthesis.
Explanation:If ascorbate, or vitamin C, is added to an oxygenated solution containing purified cytochrome c and cytochrome oxidase, it would donate electrons to the cytochrome c. This would reduce the cytochrome c. The reduced cytochrome c can then pass the electrons to the cytochrome oxidase, which then transfers the electrons to oxygen. This is a crucial part of the electron transport chain, which is involved in cellular respiration. However, the donation of electrons by ascorbate and its transfer through cytochrome c and cytochrome oxidase would not directly result in ATP synthesis. ATP synthesis occurs in another part of cellular respiration called oxidative phosphorylation, which requires a proton gradient established by the electron transport chain, but not ascorbate.
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Which nitrogenous base always pairs with guanine?
Cytosine is the answer
Which factors would explain this pattern among predator and prey populations in this area?
A- When the prey population decreases, there is less food for predators.
B- When the prey population increases, there is more food for predators.
C- When the prey population increases, there is less food for predators.
D- When the prey population decreases, there is more food for predators.
A physics student takes her pulse and determines that her heart beats periodically 60 times in 60 seconds. the period of her heartbeat is
Answer:
1 second
Explanation:
Which claim is supported by significant scientific research?A. There is no reason to believe humans are causing recent global warming.B. Weather anomalies can be used as evidence for and against climate change.C. In the last 10 years, Earth has been cooling off.D. In the last 10 years, sea level has risen twice as fast as in previous centuries.
The claim that sea level has risen twice as fast in the last 10 years as in previous centuries is supported by significant scientific research. Option D is correct.
The Intergovernmental Panel on Climate Change (IPCC), the leading international body for the assessment of climate change, has concluded that it is extremely likely that human activities caused more than half of the observed increase in global mean surface temperature from 1951 to 2010. The IPCC has also concluded that the rate of sea level rise has accelerated in recent decades, and that this is largely due to human-caused climate change.
The other claims are not supported by significant scientific research. Claim A is contradicted by the overwhelming scientific consensus that human activities are causing global warming. Claim B is too simplistic, as weather anomalies can be caused by a variety of factors, both natural and human-caused. Claim C is not supported by the data, as global average temperatures have continued to rise in recent years. Option D is correct.
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Although earth is estimated to be 4.5 billion years old, and although life first appeared about 4 billion years ago, plants did not appear until about _______ years ago.
the acrosome contains enzymes used to
The acrosome appears to contain enzymes that break down an egg cell's outer membrane, allowing sperm to fertilize the egg.
What is acrosome?The acrosome is found as a cap-like structure at the anterior end of the elongated nucleus in the sperm head.
It contains proteolytic enzymes like hyaluronidase and acrosin that aid sperm penetration of the ovum through the zona pellucida layer and into the cytoplasm of the ovum.
The acrosome is made up of a protein matrix core and numerous hydrolytic and glycolytic enzymes that are necessary for fertilization.
Proteolytic enzymes such as hyaluronidase and acrosin are found in the acrosome.
These aid sperm penetration of the ovum's zona pellucida layer and entry into the cytoplasm of the ovum, allowing the sperm nucleus and the ovum nucleus to fuse.
Thus, to break down the eggs outer membrane, sperm contain enzymes in acrosome.
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If an organism inherits one dominant allele and one recessive allele for eye color, their genotype would be
During DNA replication, a primer attaches to a template strand of DNA and begins a new strand. After the primer has attached, an enzyme extends the new strand of DNA by adding nucleotides that correspond to the nucleotide sequences in the template strand.
Which enzyme is responsible for adding nucleotides to the growing DNA molecule?
ponsible for adding nucleotides to the growing DNA molecule?
A.
DNA helicase
B.
DNA isomerase
C.
DNA polymerase
D.
DNA structase
Answer:
DNA polymerase
Explanation:
Prior to cell division, the DNA of that cell must be replicated in order for each daughter cell to receive the correct amount of genetic material (DNA). This process of DNA replication occurs in the Synthesis phase of Interphase. Before DNA starts replicating, the double-stranded DNA is unwound by an enzyme called DNA HELICASE to form two separate single strands.
Each of these strands serves as a template for replicating a new strand. An enzyme called DNA primase catalyzes the attachment of short nuceleotide sequences called PRIMER to the template strand in order for DNA POLYMERASE to synthesis/add new nucleotides to the growing DNA.
DNA polymerase adds nucleotides that are complementary to the ones it reads on the template strand.
During DNA replication, the enzyme that is responsible for adding nucleotides to the growing DNA strand is DNA polymerase. This enzyme synthesizes new DNA strands according to the template DNA, ensuring the accurate reproduction of the genetic information.
Explanation:The enzyme responsible for adding nucleotides to the growing DNA molecule during DNA replication is DNA polymerase. DNA polymerase is a key component in the process of DNA replication, where it synthesizes new strands of DNA according to the template provided by the original, parental DNA strand. The enzyme's function is to add nucleotides that correspond to the nucleotide sequences in the template strand, thereby ensuring the accurate replication of the genetic information.
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What are the names of the 3 major pairs of salivary glands?
The process by which non-biodegradable pollutants become more concentrated near the top of a food chain is called _______.
Bioaccumulation is the process in which there is increase in the concentration of pollutants in an organism at the top of a food chain. Bioaccumulation occurs when non-biodegradable pollutants such as chemical enter into an organism and the organism is unable to break down or excrete the chemical. The chemical then continues to accumulate until it eventually becomes deadly to the living organism.
Researchers tested the effects of acid rain on seedlings of two different species, camphor tree (cinnamomum camphora) and chinaberry tree (melia azederach). results of the experiments are shown here. note that acid rain caused a significant reduction of growth in chinaberry trees ( ∗∗∗ means p<0.001), but not in camphor trees. what was the approximate percentage of growth reduction observed in the chinaberry trees treated with acid rain?
A 40% reduction in height was observed.
Explanation:Researchers tested the effects of acid rain on seedlings of two different species, camphor tree (cinnamomum camphora) and chinaberry tree (melia azederach). acid rain caused a significant reduction of growth in chinaberry trees), but not in camphor trees.
40%-THE HEIGHT WITH DISTILLED WATER WAS 25, WHILE WITH A PH OF 2 IT WAS 15, THEREFORE A 40% REDUCTION IN HEIGHT WAS OBSERVED.
The process of forming a new species from an existing species is
Which action is a reflex action? asking for coffee in a cold climate blinking when light is flashed in the eyes drinking water when thirsty swallowing food taking an exam
The correct answer is blinking when light is flashed in the eyes
The blinking of eyes is considered as the reflex action because it is an involuntary closing of eyelids which is elicited by the stimulation of cornea. Any peripheral response can generate blinking of eyes. The purpose of this reflex action is to protect the eyes from foreign stimulus. When a light is flashed on the eyes it served as an external stimulus, as a result of this the eyes blinked to protect the eyes from bright light. It occurs in 0.1 seconds.
How much carbon (in g/m2) is released into the atmosphere as a result of the metabolic activity of herbivores? give your answer to the nearest whole number.\?
Menopause normally occurs between the ages of forty-five to fifty-five, but can be induced prematurely by which procedure?
Menopause normally occurs between the age groups of 45 to 55 years, but it can be induced prematurely by the procedure of surgical removal of ovaries.
What is Menopause?Menopause is the time in the lifecycle of a female which marks the end of the menstrual cycles and also reproduction. It is diagnosed after a person has undergone 12 months without a single menstrual period. Menopause can happen in the age of 40s or 50s, but the average age of menopause in the United States is found to be 51. Menopause is a biological process but it can be induced by several procedures.
Menopause that happens between the age of 41 and 45 years of age is called as the early menopause. In some cases, early or premature menopause is brought upon by the surgical removal of the ovaries, or by the medical treatments including radiation therapy and chemotherapy.
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The bulk of carbon dioxide is carried chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the rbcs. the bulk of carbon dioxide is carried chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the rbcs.
a. True
b. False
The statement is false as carbaminohemoglobin carries only about 20 percent of carbon dioxide in the blood, with the majority being transported as bicarbonate ions created by the action of carbonic anhydrase.
Explanation:The statement that the bulk of carbon dioxide is carried chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood cells (RBCs) is false. While some carbon dioxide is carried in this form, carbaminohemoglobin accounts for about 20 percent of carbon dioxide transport in the blood. The majority of carbon dioxide, approximately 85 percent, is transported as bicarbonate ions in the plasma. This process occurs when carbon dioxide diffuses into red blood cells and is converted by the enzyme carbonic anhydrase to carbonic acid, which then dissociates into bicarbonate and hydrogen ions. The bicarbonate ions are transported out of the red blood cells into the plasma in exchange for chloride ions, a mechanism known as the chloride shift.
A rare life-threatening condition caused by exaggerated hyperthyroidism is called __________.
a. grave's disease
b. goiter
c. thyroid nodules
d. thyroid storm
Answer:
thyroid storm
Explanation:
It is a life-threatening condition characterized by severe clinical manifestations of thyrotoxicosis. Extreme hyperthyroidism can lead to heart failure, a condition called throtoxicosis.Over-secretion of thyroxine is often due to the presence of plasma proteins that stimulate thyroid activity, i.e., defective enzymatic reactions.Thyroid storm can lead to osteoporosis, heart failure and atrial fibrillation.
What stores urine until it is released from the body?
"the period between meiosis i and meiosis ii, during which no dna replication occurs, is called"