SOMEONE HELP ME PLEASE I GIVE YOU 29 POINTS
List the seven main classes of stars, from hottest to coolest.
Answer:
O, B, A, F, G, K, and M
Answer:
Red stars are the coolest. Yellow stars are hotter than red stars. White stars are hotter than red and yellow. Blue stars are the hottest stars of all.
A large seabird that travels huge distances by soaring high in the sky. tell the
bird name
A large seabird that travels huge distances by soaring high in the sky is the Albatross.
What kind of bird is the Albatross?Albatrosses are very large seabirds that are distinguished by their remarkable wingspan, which can measure up to 11 feet (3.4 meters).
They are known for flying and gliding for long periods of time without flapping their wings, which allows them to go great distances while using less energy.
Due to their excellent marine adaptations, albatrosses are known to travel great distances around the world. They are mostly found in the Southern Ocean and the North Pacific Ocean.
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These aliens can be either green or purple. The dominant trait is green, and the
recessive trait is purple. In addition to the two colors, these aliens can have either
one eye or two eyes. The dominant trait is to have two eyes, and the recessive trait
is to have one.
What is the genotype of the alien the image below is pointing to?
Answer:
i cant see the genotypes listed but from what i can tell it will be
Gp, Twoone
G=green
p=purple
Two=two eyes
one= one eye
Starting with capitol = Dominant
Starting with lowercase = recessive
Answer:
The answer is Ccee (C is the allele for color and e the allele for eyes)
Which organelles would be present in cells of the salivary glands?
Answer:
ribosomes ,ER
Explanation:
production of enzymes
The ER, ribosomes, Golgi body, and many vesicles are present in the salivary gland.
What do you mean by organelle?
An organelle is a subcellular structure that, like an organ in the body, has one or more distinct duties to fulfill in the cell. The nuclei, which store genetic information, mitochondria, which provide chemical energy, and ribosomes, which assemble proteins, are among the most essential cell organelles.
In the salivary glands, cells that make an enzyme called amylase would be abundant, as would organelles. The ER, ribosomes, Golgi body, and many vesicles are all present. Protein synthesis is aided by these enzymes (making proteins).
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based on the data in the graph, which of the following should be used to calculate the difference in ld50 for the two different species of mice?
Based on the data in the graph 575mg−490mg should be used to calculate the difference in ld50 for the two different species of mice.
ToxicologyThe median lethal dose, also known as LD50, LC50, or LCt50, is a hazardous unit used in toxicology to assess the deadly dose of a toxin, radiation, or disease. The dose necessary to cause the death of 50% of a population under test after a predetermined test period is known as the LD50 value for a drug.Values for LD50 and LC50 are used to determine acute toxicity. The insecticide is more hazardous the lower the LD50. An illustration would be that a pesticide with an LD50 of 5 mg/kg is 100 times more toxic than one with an LD50 of 500 mg/kg. The following two values are given in milligrams per kilogram of the animal's body weight (mg/kg body wt.).For more information on LD50 kindly visit to
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The graph below shows the relative rates of enzyme
activity at different temperatures during a chemical
reaction.
Relative rate of
enzyme action
0 10
20 30 40 50 60
Temperature (°C)
According to the graph, what condition is best for enzyme activity?
OA. A temperature of about 25°C
B. A temperature above 30°C
OC. A temperature below 20°C
D. A temperature of about 0°C
The graph shows that the condition that is best for enzyme activity is A. A temperature of about 25 ° C
What temperature is best for enzymes ?This is because the graph shows that the rate of enzyme activity increases as the temperature increases from 0°C to 25°C. However, the rate of enzyme activity decreases as the temperature increases above 25°C. This is because the enzyme denatures at high temperatures, which means that it loses its shape and function.
The optimal temperature for enzyme activity is different for different enzymes. The optimal temperature for the enzyme in the graph is 25°C.
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The correct answer is A.
From the given graph, the condition that is best for enzyme activity can be inferred as the temperature of about 25°C.
Enzymes are organic molecules that act as catalysts and aid the biochemical reactions that occur in living organisms. Enzymes usually function under specific optimal conditions, including temperature, pH, and salt concentration. Changes in these conditions may affect the enzyme's performance and ultimately cause a decrease or cessation of the reaction's activity.Temperature, in particular, has a significant effect on enzyme activity. The reaction rate increases as the temperature rises until it reaches the optimum temperature, where the enzyme activity is at its peak. As a result, the optimum temperature promotes the highest possible reaction rate, while high or low temperatures may reduce the enzyme's efficacy and cause a decrease in the reaction rate.According to the graph, the optimum temperature for the enzyme activity is approximately 25°C. At 25°C, the relative rate of enzyme activity is maximum, indicating that the enzyme performs optimally at this temperature. In contrast, a temperature of about 0°C would be too low, causing the enzyme to freeze and become inactive. A temperature above 30°C would still be high, causing the enzyme to denature and lose its activity. Lastly, a temperature below 20°C would be too low, causing the enzyme to become inactive due to a lack of energy. Therefore, the optimal temperature for enzyme activity is 25°C.For such more questions on enzyme
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When a cell does not have enough oxygen to support cellular respiration, which of the following processes would occur?
anaerobic respiration
photosynthesis
aerobic respiration
krebs cycle
What produces the retrograde motion of Mars.
What are some major symptoms of Cancer? :-;
The major symptoms of cancer is Fatigue, Changes in bowel or bladder habits, Difficulty swallowing, etc....
What is meant by cancer ?Cancer may develop when the body's normal regulating mechanism fails. Old cells expand wildly instead of degenerating into new, abnormal ones. A tissue mass made up of extra cells is called a tumor. One type of cancer that doesn't cause tumors is leukemia. This does not imply that cancer is now a prevalent disease, despite the fact that the overall rate of new cases in the United States has been continuously falling for decades. According to the National Cancer Institute, around 39.5% of American men and women will be diagnosed with cancer at some point in their life. Changes (mutations) to the DNA within cells are what lead to cancer.To learn more about cancer refer to:
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Circle the best answer
A biome is characterized by certain flora and fauna. Option C.
What is a biome?
A biome is a large expanse of land or biogeographical unit characterized by certain species of plants and animals and delimited by climatic factors such as precipitation, pressure, amount of sunlight, the type of soil, etc.
A biome is not delimited by geographical boundaries. In other words, a single biome may span across countries or even continents. There are 5 major biomes in the world. These include
aquatic biomesgrassland biomesforest biomesdesert biomestundra biomesThus, in a particular geographical area, a mixture of biomes may be present. For example, a country may have aquatic biomes, grassland biomes, and forest biomes. Each biome is primarily characterized by the type of plant and animals that they contain.
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If you wanted to present evidence that red panda populations were becoming more diverse over time, which choice correctly identifies the
independent and dependent variables you would choose to use in your graph?
(1 point)
Independent = Generation and Dependent = Acres of Deforested Land
Independent = Nucleotide Diversity and Dependent = Generation
Independent = Generation and Dependent = Nucleotide Diversity
Independent = Acres of Deforested Land and Dependent = Generation
The
Answer: 1. Independent=Generation and Dependent=Nucleotide Diversity
2. Red pandas in this population have encountered new environmental challenges presented by the increase in deforested land, and this has selected for different adaptations over time.
3. the amount of light each plant receives
4.had the same likelihood to survive and reproduce as his peers.
5. A desert that has existed for millennia.
Explanation:
I'm a connexus student
The gradual change in an organism over the period of time to change the position is called evolution. Evolution is the population phenomenon.
According to the question, the correct option is A.
Red pandas are endangered species in the past era but in recent times they have seen the rise in this population due to have encountered new environmental challenges presented by the increase in deforested land, and this has selected for different adaptations over time.
The amount of light receives by each plant increases the food production which helps them to have enough food for survival and had the same likelihood to survive and reproduce as their peers.
Hence, the correct option is A that is Independent=Generation and Dependent=Nucleotide Diversity
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In many parts of the world, the use of solar panels and wind turbines can generate electricity more cheaply than the processes
that use traditional fossil fuels like coal and natural gas. The interest in using solar and wind powered sources for electricity
generation has increased as far as investors are concerned. While oil prices fluctuate greatly with consumption, coal and natural
gas fluctuate much less so. Therefore, electricity investors are taking a closer look at funding renewable energies like solar and
wind powered electricity
Read the prompt here. Based on the information, which of these BEST identifies the author's claim about electricity generation from
different sources?
A)
Unpredictable situations will always cause a shift in energy uses in the
future
B)
Nonrenewable energy sources are increasing due to excessive reserves.
Reliance on coal and natural gas decreases due to availability,
D)
Renewable energy sources increase due to economic advantages
Answer:
I think your answer is C) Reliance on coal and natural gas decreases due to availability.
Explanation:
Can you mark me as brainliest please?
How does plant with particulate matter affect the economy
Answer:
By the roots under the so I creating a stabilized climb
Which of the following processes is most likely to occur as a result of an
animal cell receiving a signal to initiate apoptosis?
Answer: lysosomes will release digestive enzymes into the cytosol
Explanation:
Apoptosis is one of the cellular mechanisms of cell death in a controlled manner. At the initiation of apoptosis, the lysosomes start secreting the digestive enzymes in the cytoplasm. Thus, option D is correct.
What is apoptosis?Apoptosis has been defined as programmed cell death in multicellular eukaryotes. It involves biochemical steps that involve cell shrinking, fragmentation of the nucleus, condensation of chromatin structure, decay of the mRNA, and the disintegration of the DNA.
It is a significant process in animal cells as it destroys the unwanted and harmful cancerous cells that can damage the body. They are very crucial in cancer and are initiated by the alteration in the survival signals and sudden dissociations.
The lysosomes play an important role in apoptosis as they're the specialized organs that release digestive enzymes that initiate cell death. They undergo autolysis when the signals for apoptosis are initiated.
Therefore, in option D. the lysosomes are responsible for apoptosis.
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Your question is incomplete, but most probably your full question was, Which of the following processes is most likely to occur as a result of an animal cell receiving a signal to initiate apoptosis?
A.) Ribosomes will translate mRNA to produce proteins.
B.) Vacuoles will fuse with the cellular membrane.
C.) Vesicles will release extracellular growth factors via exocytosis.
D.) Lysosomes will release digestive enzymes into the cytosol.
what is chromosomes
Answer:
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.
What similarities and differences do you see between the organisms in image 1 and the snake in image 2. Write at least 2 for each.
So, we have a group of primates compared to a snake, here are some similarities and differences that we can observe.
Similarities:
All of them have spinal columns with vertebrae
All of them have skulls
All of them have ribs
Differences:
The hominids have limbs and the snake doesn't
The snake has many more ribs than the hominids
The skull of the snake is more elongated.
The snake doesn't have a pelvis
a scientist investigates two types of cells located in different parts in the human body. cell a contains more mithochondria than cell b.what is the best conclusion to make from this observation?
Answer: cell a is a skeletal or cardiac muscle.
Explanation:
What are Bald eagle homologous structures
The wing of a bald eagle is homologous to the wing of a penguin. Homologous structures are structures that are of similar evolutionary origin.
How do we explain?Homologous structures are described as anatomical features found in different species that have a common evolutionary origin. These structures may have different functions in different organisms, but they share a similar underlying structure and can be traced back to a common ancestor.
The wing of a bald eagle and the wing of a penguin are considered homologous structures because they both evolved from a common ancestral structure, even though they serve different purposes which is flight in the case of the bald eagle and swimming in the case of the penguin.
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Which of the following is NOT a difference between DNA and RNA? (A) DNA and RNA help make proteins (B)DNA uses Thymine and RNA uses Uracil (C)DNA contains genetic information and RNA does not (D)DNA is a double strand and RNA is one.
Answer:
A is false
Explanation:
Parent DNA strand reads:
3' ATGCACCGAAT 5'
Which statement describes how energy is conserved in an ecosystem? A. About 90% of the energy is used or released by the organism, and the remainder is transferred to the next trophic level. • B. About 40% of the energy is transferred to the next trophic level, and the remainder is released into the ecosystem. c. About 90% of the energy is transferred to the next trophic level, and the remainder is released into the ecosystem. • D. About 10% of the energy is used or released by the organism, and the remainder is transferred to the next trophic level.
Answer:
about 90 of the energy is transferred TO the next trophic level...which is the answer is A
Which of the following statements best describes what happens during exercise?
(Please explain why each of the incorrect statements are wrong. Thank you!)
A.
Blood vessels in the muscles dilate to increase blood flow.
B.
Blood vessels in the heart dilate to increase blood pressure.
C.
Blood vessels in the organs dilate to increase blood oxygen.
D.
Blood vessels in the lungs dilate to increase blood volume.
The DNA message depends on the order of the?
A. Nitrogen bases
B. phosphoric acids
C. sugars
D. hydrogen bonds
According to the given option ,The DNA message depends on the order of the Nitrogen bases.
What is DNA?All living things are built and maintained according to the genetic code found in DNA, a complicated, long-chained molecule. DNA, which is present in almost all cells, contains the instructions required to make proteins, certain molecules that are crucial to the growth and operation of the body.
Why is DNA important?It is essential to the survival of life on the planet. Genetic information is stored in DNA. Genes are long sequences of DNA that act as a kind of guidebook instructing your body on how to build the proteins and carry out the various functions it needs. People with the same genes frequently have little variations.
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If a cell is placed in a hypertonic solution osmosis will take place in which direction will osmosis take place? Why? How would the size of a cell change? What would happen if the cell were placed in a hypotonic or isotonic solution
Water enters and exits cells via osmosis. When a cell is placed in a hypertonic solution, water goes out of the cell when both solution are isotonic because the solution does have a lower water content than the cell cytosol.
Explain the osmosis of cell in hypertonic solution?Osmosis is the flow of water molecules over a semipermeable membrane from a region of higher water concentration to a region of lower solution concentration (that is lower water concentration o). Water enters and exits cells via osmosis.
When a cell is placed in hypertonic solution, water goes out of the cell when both situations are isotonic because the solution seems to have a lower water potential than the cell cytosol.Until the exterior solution and indeed the cytosol are isotonic, cells inserted in such a hypotonic solution would absorb water through their membranes.In a hypotonic condition, a red blood cell would enlarge and go through hemolysis (burst).A red blood cell will crenate and lose water when it is put in a hypertonic solution (shrivel). Animal cells typically function best inside of an isotonic environment, in which the rate of water flow into and out of the cell is equal.To know more about the hypertonic solution, here
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The graph below shows a logistic growth curve.
D
c
Population size
B
Time
Between which two points in the graph does the population growth rate
decrease most?
A. Points A and C
B. Points C and D
ОООС
O C. Points A and B
D. Points B and C
The answer is option D
Explanation:
Hope this helped!
Humans have only evolved recently in respect to evolution of the
Earth. However, we have had a drastic impact on the Earth thus far.
Through science and technology (e.g. cloning, genetically modified
foods, pharmaceutical drugs, prosthetics, organ transplant, etc.) we
have developed the ability to artificially change ourselves and our
environment to suit us rather than naturally adapting to our
environment like all other organisms.
Statement:
In your opinion, will natural evolution of our species
continue or do we now have total control over how we
evolve? Explain your opinion using strong supporting
reasons.
Answer:
I believe we will evolve
Explanation:
hy please make some questions from this passage please i want to ask my students thank you
Explanation:
1) Write the balanced chemical equation of photosynthesis.
2) What is the role of chlorophyll in the process of photosynthesis?
3) What happens to the light energy that is absorbed by the chlorophyll?
I need help just give the answer please
Answer:
8. Stomach
and the second answer
9. small intestine
A family farmer is most likely to use which of the following processes to improve the genetics of his cattle herd?
cloning
genetic engineering
natural selection
artificial selection
A family farmer is most likely to use artificial selection to improve the genetics of his cattle herd.
why the family use artificial selectionArtificial selection is a process in which humans select and breed individuals with desirable traits, while excluding those with undesirable traits. This is different from natural selection, which occurs in nature without human intervention, and genetic engineering, which involves altering the genetic material of an organism using modern biotechnology.
In the case of a family farmer looking to improve the genetics of their cattle herd, they might choose to selectively breed the individuals with the best traits for their particular needs, such as high milk yield, disease resistance, or meat quality. Over time, this can lead to the development of a cattle herd with improved genetics and desirable characteristics.
Cloning and genetic engineering are much more complex and expensive processes that are not typically used by family farmers for improving their cattle herds. These methods are more commonly used in scientific research or in the production of certain high-value livestock products, such as genetically modified organisms for medical or industrial purposes.
the fundamental niche of g. fortis spans seeds from , and its realized niche from . g. fortis cannot feed on the seed types. additionally, it avoids feeding on the seed types as long as enough of the seed types are still available. this is consistent with the hypothesis that g. fortis initially avoids seeds in its fundamental niche that and hence make less energy available to them for the same amount of time spent feeding. 2) the fundamental niche of g. fuliginosa spans seeds from ; and its realized niche from . g. fuliginosa cannot feed on the seed types. additionally, it avoids feeding on the seed types as long as enough of the seed types are still available. this is consistent with the hypothesis that g. fuliginosa initially avoids seeds in its fundamental niche that and hence make less energy available to them for the same amount of time spent feeding.
1) 0.6-1.8 mm ; 0.8 - 1.8 mm; smallest ; largest ; medium; have a thick oat and take longer to crack
2) 0.2 - 1.0 mm; 0.2 - 0.7 mm; largest ; smallest ; medium; are small with little biomass per seed
The total collection of circumstances that allow an animal (population, species) to live and reproduce itself is referred to as its fundamental niche. Realized niche refers to the circumstances that a particular animal (population, species) really uses, after taking into consideration interactions with other species (predation, particularly competition).
The human niche serves as the setting for how people and their groups experience life. It is where we create and participate in shared knowledge, social and structural security, and growth over the lifetime, as well as where we share our social and ecological history.
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Full Question: 1) The fundamental niche of G.fortis spans seeds from _______ , and its realized niche from _______. G. fortis cannot feed on the ______ seed types. Additionally, it avoids feeding on the ________ seed types as long as enough of the _______ seed types are still available. This is consistent with the hypothesis that G.fortis initially avoids seeds in its fundamental niche that ___________________________ and hence make less energy available to them for the same amount of time spent feeding.
2) The fundamental niche of G. fuliginosa spans seeds from ________ ; and its realized niche from_________. G. fuliginosa cannot feed on the ______ seed types. Additionally, it avoids feeding on the ________ seed types as long as enough of the ________ seed types are still available. This is consistent with the hypothesis that G. fuliginosa initially avoids seeds in its fundamental niche that __________________ and hence make less energy available to them for the same amount of time