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Answer:
Football is also known as soccer game in these game there will be two teams and 11 players in the team.The team which that scores more goals will be the winner.Basketball is played with two teams with five members in it .Basket Ball was the popular game .Explanation:
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What is skepticism?
a new scientific idea
being interested in new or different ideas
a general agreement among scientists about a scientific idea
the understanding that knowledge in a particular area can be uncertain
An attitude of skepticism or a tendency to be skeptical, either generally or with regard to a certain object.
What is skepticism and why is it important?In order to be skeptical, one must refrain from leaping to conclusions when examining a claim or an explanation. In the course of a study, it enables scientists to take into account every scenario and rigorously examine all available data.Doubt, dubiety, mistrust, suspicion, and uncertainty are some typical synonyms for skepticism. While all of these terms refer to a "lack of sureness about someone or something," scepticism denotes a refusal to accept something without concrete proof.A sceptic is someone who thinks that some or all of human knowledge is illogical. Skeptics contend that it is preferable to suspend believing rather than rely on the disputed byproducts of reason because even our finest methods for learning about the universe occasionally fall short of full certainty.To learn more about skepticism refer to:
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Answer:
D
Explanation:
The understanding that knowledge in a particular area can be uncertain
Pea plants can have yellow seeds or green seeds Which conclusion about the meaning of Y is correct if the allele
combination Yy is for yellow seeds?
O yellow and dominant
O green and recessive
O yellow and recessive
Ogreen and dominant
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Submit
Mark this and retum
Answer:
yellow and dominant
Explanation:
Gregor Mendel has stated that a gene comes with two alleles. According to his law of dominance, one of the alleles called DOMINANT allele is capable of masking the phenotypic expression of another allele called RECESSIVE allele.
In this question involving a seed color gene, which has two alleles Y and y. Y, which represents the dominant allele codes for the YELLOW trait while y, which represents the recessive allele codes for the GREEN trait. Therefore, a plant with Yy will have YELLOW SEEDS because the dominant allele (Y) is present.
12. The green revolution
depended on
a. new biodegradable
pesticides.
b. high-yielding grain
varieties.
c. clearing forest for crop
land.
d. organic fertilizers.
Answer: b. high-yielding grain varieties.
Which structure is the arrow pointing to?
What is the function of this organelle?
Answer:
correct
Explanation:
song im listening to
1979 (Remastered 2012) by the smashing pumpkins
listen to it before tic toc ruins it I know that crowd is gonna eat it up
you are interested in how cyclic-amp-dependent protein kinase a (pka) functions to affect learning and memory, and you decide to study its function in the brain. it is known that, in the cells you are studying, pka works via a signal transduction pathway like the one depicted in figure 16-15. furthermore, it is also known that activated pka phosphorylates the transcriptional regulator called nerd that then activates transcription of the gene brainy. which situation described below will lead to an increase in brainy transcription?
The situation that will lead to an increase in Brainy transcription is a mutation in the Nerd gene that produces a protein that cannot be phosphorylated by PKA. Option C is correct.
PKA activation is essential for phosphorylating the transcriptional regulator Nerd, which in turn activates the transcription of the Brainy gene. Therefore, if there is a mutation in the Nerd gene that produces a protein unable to be phosphorylated by PKA, it would disrupt the activation of Nerd and impair its ability to initiate Brainy gene transcription.
In contrast, the other options mentioned, such as mutations in adenylyl cyclase, PKA nuclear import sequence, or CAMP phosphodiesterase, would likely interfere with the cAMP-dependent signaling pathway or PKA activation itself, potentially leading to decreased PKA activity and subsequent effects on Brainy transcription. Option C is correct.
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The complete question is:
You are interested in how cyclic-AMP-dependent protein kinase A (PKA) functions to affect learning and memory, and you decide to study its function in the brain. It is known that, in the cells you are studying, PKA works via a signal transduction pathway like the one depicted in the figure to the right. Furthermore, it is also known that activated PKA phosphorylates the transcriptional regulator called Nerd that then activates transcription of the gene Brainy. Which situation described below will lead to an increase in Brainy transcription?
A. a mutation in the gene that encodes adenylyl cyclase that renders the enzyme unable to interact with the a subunit of the G protein
B. a mutation in the nuclear import sequence of PKA that makes it hydrophilic
C. a mutation in the Nerd gene that produces a protein that cannot be phosphorylated by PKA
D. a mutation in the gene that encodes CAMP phosphodiesterase that makes the enzyme inactive
which type of tissue covers the body surface and lines organs and cavities?
Answer:
The type of tissue that covers the body surface, lines organs and cavities is called epithelial tissue or epithelium. It forms the covering on all internal and external surfaces of your body, lines body cavities and hollow organs, and is the major tissue in glands.
What is fertilisation?
Which type of cartilage is characterized by the presence of chondrocytes sitting in lacunae?
a. Hyaline cartilage
b. Elastic cartilage
c. Fibrocartilage
d. All of the above
e. None of the above
The type of cartilage characterized by the presence of chondrocytes sitting in lacunae is a. Hyaline cartilage.
Hyaline cartilage is the most common type of cartilage found in the body. It consists of a firm yet flexible matrix composed of collagen fibers, proteoglycans, and water. Chondrocytes, the cells responsible for maintaining the cartilage, reside in small spaces called lacunae within the matrix. These lacunae provide a protected environment for the chondrocytes and allow them to carry out their essential functions, such as producing and maintaining the extracellular matrix. Hyaline cartilage is found in various locations, including the nose, trachea, ends of long bones, and the embryonic skeleton.
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why for thousands of years, the amount of carbon dioxide in the earth's atmosphere has been approximately constant
For thousands of years, the amount of carbon dioxide in Earth's atmosphere remained constant due to a balance between natural sources and sinks, like plant absorption and ocean uptake.
The Earth's atmosphere has had a relatively constant level of carbon dioxide (CO2) over thousands of years because of a natural balance between CO2 sources and sinks. Sources of CO2 include volcanic activity, animal respiration, and decay of organic matter. Sinks, which remove CO2 from the atmosphere, include plants that absorb it during photosynthesis and oceans that dissolve it.
This equilibrium maintained the CO2 levels in a stable range, allowing life to thrive. However, human activities, such as burning fossil fuels and deforestation, have disrupted this balance, leading to an increase in atmospheric CO2 levels and contributing to climate change.
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the trait of medium-sized leaves in iris is determined by the genotype pp'. plants with large leaves are pp, whereas plants with small leaves are p'p'. a cross is made between two plants each with medium-sized leaves. if they produce 80 offspring, what would be the expected number of offspring having large leaves? a. 40 b. 80 c. 60 d. 20
(a) the trait of medium-sized leaves in iris is determined by the genotype pp' then the expected number of offspring having large leaves are 20.
PP = large leaves
P'P' = small leaves
PP' = medium leaves
PP' was crossed with another PP' plant:
PP' x PP'
progeny = PP, 2PP', and P'P'
PP = 1/4 x 80 = 20 large size leaves plants
PP' = 1/2 x 80 = 40 medium sized leaves plants
P'P' = 1/4 x 80 = 20 small sized leaves.
Hence the expected number of offspring having large leaves are:
20 large size leaves plants
40 medium sized leaves plants
20 small sized leaves.
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The Krebs cycle is a series of chemical reactions that: Group of answer choices Metabolize acetyl-CoA and produce ATP, carbon dioxide, and hydrogen ions Metabolize lactate and produces pyruvate, ATP, and hydrogen ions Metabolizes water and produces ATP and hydrogen ions Metabolizes alcohol and produces ATP and water in the mitochondria Breaks fatty acids into two-carbon molecules
Answer:
Metabolize acetyl-CoA and produce ATP, carbon dioxide, and hydrogen ions.
Explanation:
Cellular respiration can be defined as a series of metabolic reactions that typically occur in the cells of living organisms, so as to produce energy in the form of adenosine triphosphate (ATP).
During cellular respiration, high energy intermediates are created which are then oxidized to make adenosine triphosphate (ATP). Also, the high energy intermediary products are produced at the glycolysis and citric acid cycle stage.
Glycolysis can be defined as a biological process that uses the energy released and stored during the Krebs cycle to form adenosine triphosphate (ATP). Thus, glycolysis is a series of chemical reactions that is typically used to break glucose into pyruvic acid.
Krebs cycle is also referred to as the citric acid cycle (TCA cycle) and it can be defined as a series of enzyme-catalyzed reactions used to release stored energy in most living organisms by metabolizing (oxidation) acetyl-CoA which are typically derived from proteins, carbohydrates, and fats.
This ultimately implies that, the Krebs cycle is a series of chemical reactions that metabolize acetyl-CoA and produce adenosine triphosphate (ATP), carbon dioxide, and hydrogen ions.
A collection or mass of blood that forms between the skull and the dura mater is termed a(n):_________
A collection or mass of blood that forms between the skull and the dura mater is termed a(n) epidural hematoma.
What is a epidural hematoma?An epidural hematoma occurs when there is bleeding between the inside of the skull and the dura or it can also occur when a vessel breaks and bleeds in this given space between the dura mater and the skull, it can be caused by head trauma.
This bleeding or mass can generate pressure in the brain, increasing intracranial pressure, which is rapidly increased, also generating a brain injury, thus compromising the brain. Being then urgent the drainage or extraction of the blood or mass.
Therefore, we can confirm that a collection or mass of blood that forms between the skull and the dura mater is termed a(n) epidural hematoma.
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amino acids found in the amino acid pool . amino acids found in the amino acid pool . must come from animal products help to synthesize essential amino acids require protein supplements to maintain their resources can be used for protein synthesis
The amino acid pool contains amino acids that can be used to create proteins.
Does our body keep an amino acid reserve for the production of proteins?The body retains a significant amount of free amino acids in the blood (approximately 35-65 mg/deciliter) even when one is fasting; this ensures that cells and tissues always have access to individual amino acids for the synthesis of proteins and essential amino acid derivatives.
The cellular pool of amino acids is derived from both dietary protein and the breakdown of cellular proteins. Since amino acids are used to produce new proteins, energy, and other biological molecules, this pool needs to be refilled with them.
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What effect does ionizing radiation have on the atmosphere ?
i need three at the least
Ionizing radiation can the following three effects on the atmosphere:
Creation of ionsFormation of free radicalsOzone depletionWhat effect does ionizing radiation have on the atmosphere?Ionizing radiation can have several effects on the atmosphere, including:
Creation of ions: Ionizing radiation can break apart molecules in the atmosphere, such as nitrogen and oxygen, creating charged particles called ions. These ions can then react with other molecules in the atmosphere, leading to the formation of new compounds.
Formation of free radicals: Ionizing radiation can also generate free radicals, which are highly reactive atoms or molecules that can participate in chemical reactions. These free radicals can react with other molecules in the atmosphere, leading to the formation of new compounds and potentially causing damage to biological organisms.
Ozone depletion: High-energy ionizing radiation can break apart ozone molecules in the atmosphere, leading to a reduction in the amount of ozone in the ozone layer. This can have significant consequences for life on Earth, as the ozone layer helps to protect the planet from harmful ultraviolet radiation from the sun. Ozone depletion can lead to an increased risk of skin cancer, cataracts, and other health problems in humans and animals.
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Select all the correct answers.
Jordan's grandmother uses the juice from squeezed lemons to remove stains from his shirt. He hypothesizes that the juice is the only part of the lemon that is effective at removing the stains, because it’s an acid. Which two steps would help Jordan determine whether his hypothesis is scientifically supported?
He should test the acidity of different parts of the lemon, including the juice, pulp, and skin.
He should conduct an opinion poll of residents to see if they agree with his hypothesis.
He should make identical stains on T-shirts and see whether different parts of the lemon will remove the stain.
He should find literature on housekeeping websites that support the use of lemon juice at removing stains.
He should compare lemon juice with other acidic juices to see if they all remove stains.
1.He should assess the acidity of the lemon's juice, pulp, and skin, among other lemon-related parts. 2. He should try different lemon pieces to see if they can remove identical stains from T-shirts.
What brings on acidity?When the valve muscle just at lower end if your esophagus relaxes unexpectedly, acid reflux results, causing stomach acid to back into the esophagus. Together with other symptoms and indicators, this may result in heartburn. GERD can be brought on by frequent or ongoing reflux.
What counteracts acidity?To establish balance, add either sugar or fat to tame the sourness of an overly acidic food.
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True or fasle? Cells have to divide when becoming too large so that the cell can
maintain homeostasis.
Answer:
True
Explanation:
The cell has to dividewhen it comes to large, because the cell wall is not big enoughtpo maintain all inside the cell when to large.
Amber is a solid material
used in jewelry. It forms in nature only by the
process of pine tree resin hardening. Explain
why you think amber is or is not a mineral.
prokaryotic ribosomes differ from those present in eukaryotic cytosol. because of this, which of the following is correct? a. some selective antibiotics can block protein synthesis of bacteria without effects on protein synthesis in the eukaryotic host. b. eukaryotes did not evolve from prokaryotes. c. translation can occur at the same time as transcription in eukaryotes but not in prokaryotes. d. some antibiotics can block the synthesis of peptidoglycan in the walls of bacteria. e. prokaryotes are able to use a much greater variety of molecules as food sources than can eukaryotes
The following statement is true: Prokaryotes can consume a considerably wider diversity of chemicals than can eukaryotes.
Why do ribosomes found in bacterial cells differ from those found in eukaryotic cytosol?While the majority of eukaryotic ribosomes are membrane-bound, prokaryotic ribosomes are found loose in the cytoplasm. The two subunits known as the big and small subunit are present in both varieties of ribosomes. Ribosomes in prokaryotes and eukaryotes differ primarily in size and placement within the cell.
How do bacterial and eukaryotic cells' ribosomes differ?In prokaryotes, ribosomes are smaller, only found in free form and not in any other organelles. They are composed of three different types of three-stranded rRNA and fifty different forms of protein. In eukaryotes, ribosomes can be found in other organelles (like mitochondria) or in free form.
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Calculate the probabilities if a colorblind father and a mother that is a carrier have children. Complete the Punnett Square.
When a colorblind father and a mother who is a carrier have children, the probabilities are that all sons would be colorblind, and all daughters would be carriers.
As colorblindness is an X-linked recessive trait, it is more common in males than females because they have one X chromosome. The Punnett square is a simple way of showing all the possible combinations of alleles for the offspring of two parents. A colorblind father has only one X chromosome with a mutated color vision allele, while a mother who is a carrier has one mutated allele and one normal allele. Since the mother has a normal allele as well, there is a 50% chance that each child will inherit a normal allele. There is also a 50% chance that each child will inherit the colorblind allele.
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Scientists have learned that when a pregnant woman smokes, one of the chemicals absorbed, nicotine, can narrow the diameter of her blood vessels that lead to the placenta. Explain why narrowing the diameter of these blood vessels can result in low birth weight babies.
True or false: Euglena are examples of protists that can feed like an animal or use the energy of the sun to make food like a plant.
Answer:False
Explanation:
There are no man-eating plants or leaf-growing animals. The idea of an organism both photosynthesizing and hunting for food might seem strange, but this isn't science fiction. These organisms, examples of Euglena, are protists that can feed like an animal or use the energy of the sun to make food like a plant.
This statement is false. Euglena are not the examples of protists that can feed like an animal or use the energy of the sun to make food like a plant.
What are protists?A protist is any eukaryotic organism that is not an animal, plant, or fungus. While it is likely that protists share a common ancestor, the exclusion of other eukaryotes means that protists do not form a natural group, or clade.
Moreover, protists are any member of a group of diverse eukaryotic, predominantly unicellular microscopic organisms. They may share certain morphological and physiological characteristics with animals or plants or both.
Therefore, characteristics of protists: they are eukaryotic, which means they have a nucleus. Most have mitochondria. They can be parasites. They all prefer aquatic or moist environments.
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which caused by the bacterium chlamydia trachomatis is the most commonly reported sexually transmited disease in the united states
The sexually transmitted infection caused by the bacterium Chlamydia trachomatis which is the most commonly reported disease in the United States is Chlamydia.
Chlamydia is a sexually transmitted infection (STI) caused by the bacteria Chlamydia trachomatis. It can spread through vaginal, or oral sex with someone who has the infection. This STI can also spread from mother to child during childbirth. Chlamydia can affect both men and women. In women, chlamydia can cause pelvic inflammatory disease (PID), which can lead to infertility and ectopic pregnancy. In men, it can cause pain and swelling in the testicles. However, most people who have chlamydia don't experience any symptoms, so it's important to get tested regularly if you're sexually active.
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Which molecule is small enough to enter the cell
Answer: Small molecules can cross plasma membrane into cells
Explanation:
by simple diffusion as they can be soluble in the hydrophobic region of phospholipid bilayer. Lipophilicity is one of the main parameters that determine cell uptake of small molecules
Science 20 points please help I think I know the answer I just want to be sure.
Explain how science uses fossil evidence paired with geologic time to support the theory of evolution. Explain
and support your answer and thinking.
Answer:
fossil geologic time
Explanation:
what environmental condition did rosemary and peter grant determine is responsible for forcing medium ground finches to become seed specialists on daphne major island in the galapagos islands?
Rosemary and Peter Grant, a husband-and-wife team of evolutionary biologists, conducted long-term research on the Galapagos Islands, specifically on Daphne Major Island, studying the medium ground finches (Geospiza fortis).
Their work focused on understanding the evolutionary processes and mechanisms that drive changes in finch populations over time. One of the most significant findings of the Grants' research was related to the environmental condition of drought. In 1977, a severe drought occurred on Daphne Major Island, leading to a scarcity of the finches' primary food source: large, hard seeds. During this period, the Grants observed a phenomenon known as "natural selection in action." Due to the scarcity of their usual food, the medium ground finches with larger beaks had an advantage over those with smaller beaks. With their larger beaks, they were better equipped to crack open the tougher, smaller seeds that were available during the drought. As a result, the finches with larger beaks had higher survival rates and were more successful in reproducing.
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the cell cycle is a four-stage process of events that occur in preparation for cell division (g1, where the cell increases in size, s phase where it copies its dna,the g2 phase where it prepares to divide and lastly the m (mitosis) stage where it divides ). in microcephaly, 7 genes are known to interfere with these processes. which gene interferes with the g2-m phase?
In microcephaly, there are seven genes known to interfere with the cell cycle processes. You are specifically asking about the gene that interferes with the G2-M phase i.e., the phase transition between gap-2 and the mitosis phase.
The gene that interferes with the G2-M phase is called CDK5RAP2. CDK5RAP2 is responsible for regulating the transition from the G2 phase to the M phase, which is the mitosis stage. When this gene is disrupted or mutated, it can lead to abnormal cell division and contribute to the development of microcephaly. What is microcephaly? It is a rare neurological condition in which an infant's head is much smaller than other infants of the same age.
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Kendrick holds the rubber blue ball halfway up the ramp and releases ir (figure 1).The ball rolls down the ramp and along the floor beyond the end of the ramp. What force caused the ball to roll down the ramp?
The force that caused the rubber blue ball to roll down the ramp is gravity. When Kendrick held the ball halfway up the ramp and then released it, the force of gravity began to act on the ball and it started to roll down the ramp.
A ramp is an inclined plane that reduces the amount of force required to move an object to a higher level. The force of gravity, which is an attractive force between any two objects in the universe, acts on objects in the direction of the center of the Earth.
This force causes objects to fall toward the ground. When the rubber blue ball was released from the midpoint of the ramp, it began to move in the direction of the force of gravity, which caused it to roll down the ramp. The force of gravity was able to overcome the ball's inertia and caused it to accelerate down the ramp. Once the ball rolled off the end of the ramp, it continued to move forward due to its inertia.
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increased levels of hormones during puberty can cause a(n) response to plaque biofilm. group of answer choices a) decreased b) exaggerated c) typical d) optimal
Option B, Increased levels of hormones during puberty can cause an exaggerated response to plaque biofilm.
The hormones during puberty can cause an exaggerated response to plaque biofilm without scientific evidence. It is important to note that oral hygiene and oral health are complex subjects and the effects of hormones on oral health are not well studied.
It would be best to consult with a dentist or a medical professional for more information.
Plaque biofilm is a complex bacterial ecosystem that forms on the surfaces of teeth and gums, and it is known that it plays a major role in the development of tooth decay and gum disease.
However, there is not enough scientific evidence to support the claim that increased levels of hormones during puberty can cause an exaggerated response to plaque biofilm.
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Fossils and Evolution On Study Island
A team of scientists are studying three different layers of sedimentary rock to learn about a particular reptile species. In the layer of rock that is closest to the Earth's surface, the reptiles' teeth fossils are found to be short and straight. In the layer below, the reptiles' teeth fossils are found to be long and straight. In the layer below that, the reptiles' teeth fossils are found to be long and curved.
Based on this information, the reptiles today most likely have
A.
long, straight teeth.
B.
no teeth.
C.
long, curved teeth.
D.
short, straight teeth.
Answer: short, straight teeth
Explanation: study island
Name 5 invasive species in Florida
Answer:
5 INVASIVE SPECIES:
-Burmese Python
-Iguanas
-Cane toads
-Lionfish
-Feral Hogs
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