Answer:
Ozone in the lower atmosphere (troposphere) is a bad thing because it can make health problems occur (problems like hard breathing and asthma) and environmental, while ozone in the upper atmosphere (stratosphere) is a good thing because it protects living things from ultraviolet light from the sun.
Explanation:
Ozone in the lower atmosphere is not emitted directly into the air, and it is created via man-made products (factories, cars, chemical solvents, etc.). When ozone in the lower atmosphere is created, it does not go into the upper atmosphere. Since ozone in the upper atmosphere is above a lot of living things (depending on where the living thing is), it does not cause as many bad effects as ozone in the lower atmosphere, which makes it good.
Please answer I really need help
Answer:
Monomers
Explanation:
Macromolecules (biomolecules) are polymers; they are polymers made of monomers
The sodium potassium pump, works against its concentration gradient. it pumps ___________ ions out of the cell and _________ ions into the cell
The sodium-potassium pump works against its concentration gradient. it pumps potassium ions out of the cell and sodium ions into the cell.
A sodium-potassium pump system moves sodium and potassium ions against a large concentration gradient. It transports two potassium ions into cells with high potassium levels and pumps three sodium ions out of the cell into the extracellular fluid. Sodium-potassium pumps are found in many cell (plasma) membranes. The ATP-powered pump moves sodium and potassium ions in opposite directions against their respective concentration gradients. In one cycle of the pump, 3 sodium ions are pushed out of the cell and 2 potassium ions are taken up by the cell.
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Which systems would work best with the nervous system?
Answer:
endocrine
Explanation:
Which of these is an autotroph?
A.
mackerel
B.
squid
C.
mollusks
D.
fungi
E.
phytoplankton
Answer:
E.
phytoplankton
Explanation:
The defenition of Autotroph is: "an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide." (Oxford Dictionaries)
As Britannica says, "[...]Like land vegetation, phytoplankton uses carbon dioxide, releases oxygen, and converts minerals to a form animals can use."
Then Wikipedia (I know, not the best source, but it works) says, "Phytoplankton (/ˌfaɪtoʊˈplæŋktən/) are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater ecosystems."
So, Phytoplankton is an autotroph.
Write the correct answer on the line provided.
Baby Kilgore was vomiting almost continuously. The medical term for this excessive vomiting is ___________________
Answer:
Begulling
Explanation:
It is the correct medical term for excessive vomiting
A 69-year old man with alcoholism is seen with leukocytosis, an elevated amylase level, and a rising lipase level. The entire pancreas appears enlarged and hypoechoic, with ill-defined borders. The most likely diagnosis is:
The most likely diagnosis in a 69-year-old man with alcoholism, leukocytosis, an elevated amylase level, and a rising lipase level, with an enlarged and hypoechoic pancreas, is acute pancreatitis.
Acute pancreatitis is an inflammation of the pancreas due to the activation of digestive enzymes within the pancreas, leading to autodigestion. Typically, the pancreas appears enlarged and hypoechoic on imaging studies, with ill-defined borders.
Other signs and symptoms of acute pancreatitis may include abdominal pain, nausea, vomiting, fever, and leukocytosis. Elevated amylase and lipase levels are typically seen in acute pancreatitis. Alcoholism is a risk factor for acute pancreatitis, and should be considered in the diagnosis.
Treatment typically involves supportive care, such as pain control and hydration, and abstinence from alcohol. In some cases, antibiotics may be used to treat or prevent infection. In serious circumstances, surgery may be required.
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All of the following are major sources of nutrient pollution except
a. Agricultural activities
b. Fossil fuel usage by vehicles and industries
c. Storm water discharge into local waterways
d. Acid rain and ozone pollution
Answer:
d. acid rain and ozone pollution
Answer:
a. Agricultural activities
Explanation:
because the other activities are the major sources of pollution. For example.. burning of fossil fuels pollute the air, storm water is a polluted one & it makes the water ways to pollute and the last one is also a pollution which is already shown as pollution in it's sentence.
Which is false regarding cell signaling? A. Endocrine signals move via the bloodstream B. Para crime signals are long-lasting C. Para crime signals are used to communicate the nearby cells D. Auto signals bind to receptors on the same cell that released the ligand
Answer:
B. Para crime signals are long-lasting.
The option that's false regarding cell signaling is B. Para crime signals are long-lasting.
Cell signaling is also known as cell communication. It simply means the ability of cells to be able to receive, process, and then transmit signals with itself and the environment.
Cell signaling is vital for some cellular decisions such as cell growth, division, development, etc. During cell signaling, the endocrine signals move via the bloodstream. Also, auto signals bind to receptors on the same cell that released the ligand. It should also be noted that para crime signals aren't long-lasting, they occur for a short period.
In conclusion, the correct option is B.
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help please!! (use the sentence frame)
I know that the kittens come from the same litter because they have a similar appearance.
What is reproduction?We know that the term reproduction would have to do with the process by which the organisms that are part of a species would be able to produce the young ones that are of the same kind with them.
We know that if the kittens do come from the same litter that there would be some kind of resemblance that they carry that would show that the genes that they are having do come from a common source.
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Which of the following explanations best describes how mass is
conserved in the process above?
A.Matter is consumed and used by individual cells to grow
following mitosis
B.Matter is consumed and used by individual cells to grow
following meiosis
C.Matter is created by individual cells to grow following mitosis
D.Matter is created by individual cells to grow following meiosis
Following mitosis, each individual cell uses matter to grow. Individual cells produce matter to expand after mitosis.
How does photosynthesis maintain mass?Six carbon atoms, twelve hydrogen atoms, and eighteen oxygen atoms are reorganized in this process from one configuration in the reactants to another configuration in the products using the energy of the sun. Because the same atoms are present on both sides of the reaction, mass is conserved.
What does photosynthesis's mass mean?A tree's main component by weight is carbon. Carbon is derived from carbon dioxide, which is used in photosynthesis. Plants use photosynthesis to transform solar energy into chemical energy, which is stored in the bonds of carbon molecules made of water and carbon dioxide from the atmosphere.
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A group of herbivores are separated from their individual population. In the new environment, the only edible
vegetation grows underground.
-What would be a like likely structural adaptation that would occur?
-Explain how step by step how this would result in the population changing over time?
Over time, an adaptation that will make it easier for herbivores to acquire food is a long neck.
What are herbivores?An herbivore is an organism that mostly eats plants. A herbivore can be any size, from tiny insects like ants to huge, massive elephants. Herbivores make up a substantial portion of the food web, which is a description of the species that eat other animals in the wild.
Humans are they herbivores?We are physically herbivorous, despite the fact that many people prefer to consume both plants as meat, giving us the questionable moniker of "omnivores." The good news is that it's still possible to dine like our ancestors: Vegetables, fruits, nuts, and legumes form the foundation of a wholesome vegan diet.
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What is the best definition for adaptation?
10 points
Organisms are able to change their biological make up at any time they wish to
Animals are able to change from one organism into another given enough time
The biological mechanism that prevents organisms from adjusting to new
environments or to changes in their current environment
The biological mechanism by which organisms adjust to new environments or to
changes in their current environment
Answer:
The biological mechanism by which an organism adjusts to a new environment or to changes in their current environment
Many centuries ago strawberries used to be smaller and less sweet. what is the name of the process responsible for the change in strawberry's traits?
1. What happens when two animals from the same habitat eat the same food?
Answer:
they might mate because of there similarities and there similaritie is the fact they eat the same food.
Explanation:
unless they are different types of animals because no animal will mate with another unless they are both the same type, if they are not the same type they feel uncomfortable.
List five name of the nutrients plants absorb from the soil
What is a vector
A quantity that has both mass and speed.
A quantity that has both size and direction. Help asap
Explanation:
As I think Option 2 is the correct one.
Which chemical weathering process involves the action of carbonic acid
on rocks such as limestone that are composed of calcium carbonate?
Oxidation
Hydration
Solution
Carbonation
Answer:
carbonation
............
9. when a muscle contracts involuntarily
What muscle is this?
Answer: Smooth Muscle
Explanation: Smooth muscle cannot be controlled consciously and thus acts involuntarily.
an ice is put in a beaker and left in the sun for long time? Explain the process involved in the change of state
Answer:
solid will change to liquid and then gas
Explanation:
melting, evaporation
Which phylogenetic tree highlights the most recent common ancestor of all animals with four limbs (where limbs include legs, arms, and wings)
It draws attention to the taxon, or most recent common ancestor, of all tetrapods. The tips and nodes of the tree, respectively, represent groups of descendant taxa and common ancestors of descendants.
The evolutionary connections of biological species are described by the phylogenetic tree, often called phylogeny. The branching pattern of the phylogenetic tree illustrates how a series of shared ancestors gave rise to diverse species or groupings.
The phylogenetic tree helps us understand a person's complete life history or life.
Follow each taxon's lineage back in time (toward the base of the tree) until all the lineages meet to identify the most recent common ancestor of a group of taxa. Their most recent shared ancestor is represented by that node.
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What is a Lytic infection and What is a lysogenic infection?
Answer:
Infection of a bacterium by a bacteriophage with subsequent production of more phage particles and lysis, or dissolution, of the cell. The viruses responsible are commonly called virulent phages. Lytic infection is one of the two major bacteriophage–bacterium relationships.
Lysogeny, or the lysogenic cycle, is one of two cycles of viral reproduction. Lysogeny is characterized by integration of the bacteriophage nucleic acid into the host bacterium's genome or formation of a circular replicon in the bacterial cytoplasm.
Explanation: hope this helps!
how does human activity cause disruptions in the ecosystem?
Answer:
Human impact on the environment or anthropogenic impact on the environment includes changes to biophysical environments and to ecosystems, biodiversity, and natural resources caused directly or indirectly by humans, including global warming, environmental degradation (such as ocean acidification), mass extinction and etc...
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
1. What is the genotype of the chicken shown below?
O A. FWFW
O B. FWFR or FREW
O C. FRER
O D. There is not enough information to solve this problem.
Which of the following may be located tens of kilobases away from the transcriptional start site?
A. The proximal promoter elements
B. The core promoter
C. An enhancer sequence
D. A TATA box
Proximal promoters may be located tens of kilobases away from the transcriptional start site.
The correct answer is A.
While enhancers are frequently located many kilobases (kbp) upstream or downstream of the transcription start site, proximal promoters are typically situated within a few hundred base pairs (bp) away from the start site. Core promoters define both the transcription start site and the region where the fundamental transcriptional machinery will initiate transcription. The control of gene expression at the transcriptional level is crucial for many biological processes. In eukaryotes, there are tens of thousands of protein-coding genes, and each one has an own transcriptional pathway. Trans-acting DNA sequences called transcriptional enhancers, proximal promoters, and core promoters are responsible for encoding these transcriptional programmes.
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Hormone: Exocrine: Endocrine: Humoral stimuli: Neural stimuli: Hormonal stimuli: Permissiveness: Synergism: Antagonism:
Hormones are released by endocrine glands by three mechanisms including humoral stimuli, neural stimuli, and hormonal stimuli.
Humoral stimuli, hormonal stimuli, and neurological stimuli are the three main ways that endocrine glands are triggered to produce and release hormones. A change in extracellular fluids like blood or the ion content in the blood that impacts the release of hormones is known as a humoral stimulus. A hormone is released in reaction to a hormonal stimulus, which is the release of another hormone. Some endocrine glands release hormones when they are stimulated by hormones produced by other endocrine glands. When the neurological system directly triggers the release of hormones from the endocrine glands, this is referred to as a neural stimulus.
Negative feedback is primarily responsible for controlling hormone release and production. A stimulus causes the release of a substance in negative feedback systems; when the substance reaches a specific level, it sends a signal that prevents further release of the substance. By doing this, a specific range of hormone concentrations in the blood is maintained.
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1. What is the purpose of the lab energy transfer
Answer:
The purpose of this lab is to observe how heat flows through conduction, convection, and radiation.
Explanation:
Answer:
How heats flows past and keep the energy
Compare and Contrast Renewable and Nonrenewable Resources.
Answer:
Nonrenewable energy options are small in supply. Renewable materials replenish themselves spontaneously and in a very brief amount of time.
Explanation:
There are two types of waves: mechanical and electromagnetic. Microwaves, infrared
waves, and radio waves are examples of electromagnetic waves. Which claim is TRUE about
the speed of electromagnetic waves?
A: They are not affected by changes in medium.
B: It is slower in a vacuum than in a medium.
C: In a vacuum, its speed equals half the speed of light.
D: It slows down when it goes from a vacuum to a medium.
Answer:
d
Explanation:
What happens to the 3 carbon sugar that exits the Calvin cycle?
By carbon fixation, 3-PGA molecules are transformed into glucose molecules, which are simple sugar molecules.
It corresponds to the second phase of Calvin's cycle. By carbon fixation, 3-PGA molecules are transformed into glucose molecules, which are simple sugar molecules. Energy for this stage is provided by ATP and NADPH generated during the light-dependent activities of photosynthesis. Thus, the Calvin cycle is a mechanism through which plants convert solar energy into compounds like sugars that may be stored for a long period. ATP and NADPH provide the sugars with their energy.
This procedure is referred to as reduction because 3-PGA molecules get electron transfers to produce glyceraldehyde-3 phosphate.
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Complete the table to show the difference between inhaled and exhaled air. NB: These figures are approximate. Gas Oxygen Carbon dioxide % inhaled air 79 % exhaled air 79 16