Answer:
The primary limit on the northern extent of the boreal forest is the temperatures that exist here in both summer and winter.
Explanation:
what is NCF for smooth endoplasmic reticulum?
Answer:
smooth endoplasmic reticulum (SER), meshwork of fine disklike tubular membrane vesicles, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells, that is involved in the synthesis and storage of lipids, including cholesterol and phospholipids, which are used in the production of new cellular
Substance A is added to water. After it is added, hydrogen ions are produced and accumulate in the solution. Most of the hydrogen ions react with water molecules to produce a new substance, which is Substance B.
What type of substance was added to the water (Substance A), and what new substance was produced (Substance B)?
A) Substance A is a base.
Substance B is a group of hydroxide ions.
B) Substance A is an acid.
Substance B is a group of hydronium ions.
C) Substance A is an acid.
Substance B is a group of hydroxide ions.
D) Substance A is a base.
Substance B is a group of hydronium ions
Answer:
Substance B is a group of hydroxide ions.
Explanation:
According to the concept of acid and base substance A is an acid while substance B is a group of hydroxide ions.
What is an acid?Acids are defined as substances which on dissociation yield H+ ions , and these substances are sour in taste. Compounds HCl, H₂SO₄ and HNO₃ are acids as they yield H+ ions on dissociation.
According to the number of H+ ions which are generated on dissociation acids are classified as mono-protic , di-protic ,tri-protic and polyprotic acids depending on the number of protons which are liberated on dissociation.
Acids are widely used in industries for production of fertilizers, detergents batteries and dyes.They are used in chemical industries for production of chemical compounds like salts which are produced by neutralization reactions.
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There are 2 types of worms: worms that eat at night (nocturnal) and worms that eat during the day (diurnal). The birds eat during the day and seem to be eating ONLY the diurnal worms. The nocturnal worms are in their burrows during this time.
1. Identify a type of variation in the worms.
2. Which variation is most favorable?
3. In 50 years, what will natural selection have most likely done for the worms? (Hint: What type of worm will be the most common. )
4. What adaptations might occur in the birds in 100 years?
We can confirm that one variation in the worms is the adaptation to become nocturnal eaters instead of the more dangerous diurnal eaters.
Why are nocturnal worms favored?Nocturnal worms are favored over diurnal eating worms given that the main predator of worms, birds, hunt during the day. This puts the diurnal worms are a much higher risk of being consumed. Through natural selection, this will likely result in most worms being entirely nocturnal within the next 50 or so years, which can in turn lead to the evolution of more nocturnal hunting bird species.
Therefore, we can confirm that one variation in the worms is the adaptation to become nocturnal eaters instead of the more dangerous diurnal eaters, which will likely be the most common variation over time, due to natural selection.
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What is the cost of electricity if 42000 kWh is used at a rate of $0.04/kWh?
The cost of the electricity if 42000 kWh of electricity is used is ; $1680
Determine the cost of electricityGiven that ;
value of electricity used = 42000 kWh
cost rate of electricity = $0.04/kWh
Final step : Determine the total cost of electricty used
unit cost = $0.04/kWh
Totals cost = unit cost * value of electricity used
= 0.04 * 42000 = $1680
Hence we can conclude that The cost of the electricity if 42000 kWh of electricity is used is ; $1680.
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The evolution of similar forms in different lineages when exposed to the same selective pressures is.
The evolution of similar forms in different lineages when exposed to the same selective pressures is convergent evolution.
Convergent or divergent evolution are related to the involved groups, the environments, the selective pressures, and the way in which organisms deal with them to achieve a better adaptation increasing their fitness.
What is convergent evolution?
Convergent evolution is the emergence of phenotypical similarities in different groups independently from each other.
Convergent evolution occurs when two or more taxonomic groups share the same traits or characteristics even when they do not share a common ancestor.
Usually, this is a pattern observed in groups that are exposed to the same or similar environmental pressures. The development of these similar phenotypes is related to higher fitness and competitive ability.
The evolution of similar forms in different lineages when exposed to the same selective pressures is convergent evolution.
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Common chaperones are identified as Hsp which stands for heat shock protein. Why do you think these chaperones are identified this way
Common chaperones can be identified as Hsp heat shock protein. These chaperones are identified in this way because they were discovered with heat.
What are chaperone proteins?The chaperone proteins are specific proteins required to fold other functional proteins within the cells.
The application of heat is able to increase the number (concentration) of chaperone proteins in specific cells.
The application of heat increases chaperone levels because it increases the denaturalization (unfolding) of proteins.
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The number of individuals divided by an area is called
species evenness
species richness
population density
clumped distribution
Answer:
The answer is population density.
Explanation:
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What does the endoplasmic reticulum do in a plant cell?.
Answer:
The endoplasmic reticulum is like a highway or transportation route. it transports everything throughout the cell so it can get where it needs to go. It involves the smooth and rough endoplasmic reticulum.
Explanation:
I hope this helps! It is also in both animal and plant cells.
In Saki's The Open Window", what was MRS.Sappleton's motive in watching the open window while Framton was explaining the reason for his vist? A.Mrs.Sappleton's was looking forward to introducing Framton to her husband and brothers. B.Mrs.Sappleton was eagerly awating the return of her husband and brothers from brothers from their hunting trip. C.Mrs.Sappleton was a very close friend of Framton's sister wanted to help in any way she could.
Answer: The reason why Mrs. Sappleton keeps her window open is because her husband and her brothers go hunting quite a lot (shooting)
Explanation:
The two organ systems that work together to regulate most aspects of the body's water balance are urinary and cardiovascular. digestive and cardiovascular. cardiovascular and respiratory. digestive and respiratory. urinary and respiratory.
Answer:
urinary and cardiovascular.
Explanation:
The two organ systems that work together to regulate most aspects of the body's water balance are...
urinary and cardiovascular.
the purest form of water is obtained by
Answer:
RAINWATER
Explanation:
THE PUREST SOURCE OF NATURAL WATER IS RAINWATER. THE RAINWATER DIRECTLY COMES FRIM THE CONDENSATION OF WATER IN THE PRESENCE OF THE SUN
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Which female insect kills and eats her partner while mating?.
Answer:
Praying mantis
Explanation:
Praying mantis courtship can be a dangerous affair; females have been well-documented biting off the heads and eating other body parts of the males that they mate with. However, the frequency of such violence may be just a tad overstated.
Phylogeny is the evolutionary history of related groups of organisms. Organisms are grouped into taxa based on homologous characteristics, shared traits that result from common ancestry. Which statement is true?.
The statement that indicates "monophyletic refers to a given taxon which includes an ancestral species and all descendants" is TRUE.
What is a monophyletic group?A monophyletic group is a taxonomic group composed of an ancestral species and all descendants of such species.
Monophyletic groups form specific branches of biodiversity that can be diagramed in the tree of life.
These diagrams represent evolutionary relationships and they are called cladograms (phylogenetic trees).
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When the motor neuron of a skeletal muscle motor unit is stimulated repetitively, it is called a:.
Answer:
I believe it is called a Alpha motor neurons
Explanation:
When an animal cell goes through the process of mitosis, it divides into two smaller cells.
In order for the animal to continue growing, these two cells need to become as large as the original cell. How do the cells do this?
A. They undergo mitosis again to increase the number of cells in the area.
B. They combine with other cells around them to produce larger cells.
C. They absorb substances from the matter that the animal eats and drinks.
D. They expand by creating areas of empty space inside the cells.
Answer:
c
Explanation:
Answer:
C. They absorb substances from the matter that the animal eats and drinks.
Explanation:
Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells.
During cell division, mitosis refers specifically to the separation of the duplicated genetic material carried in the nucleus.
Where is the location of erosion?
Answer:
On the top of the mountains under the soil
Explanation:
if it's right I'm pretty shure yes
The number of sperm cells that form from a primary spermatocyte is.
Answer:
four spermatozoa
Explanation:
The primary spermatocyte undergoes a series of meiosis I and II to form four spermatids. The spermatids go under a differentiation process to form 4 spermatozoa :))
What contains genetic material but is not clarified as living? A.Bacteria B.Protozoa C. Virus D.lizard
Answer:
C. Virus
Explanation:
A virus is non-living because it needs a host in order to mutate
A student wants to model the process of translation that occurs in a cell as part of gene expression. When planning and organizing
the materials to use in the model, the student finds the items shown in the table. Evaluate the items and select the ones that the
student needs to appropriately model the process of translation in a cell. Select ALL that apply.
A)
clothespin
)
B)
paperclip chain
the single string
To model translation in a cell, the student needs a clothespin, paperclip chain and the single string to represent the ribosome unit, amino acid sequence and mRNA template.
What is translation?Translation is the process by which protein molecules are synthesized at the ribosomes from amino acids using mRNA as template read in the form of triplet nucleotide sequences known as codons.
If a student wishes to model the process of translation, he needs a model of the ribosome, the tRNA, amino acids and the mRNA template.
The single string serves as mRNA, the paperclip chain as newly synthesized amino acid sequence and as ribosome unit.
Therefore, the student needs a clothespin, paperclip chain and the single string to model translation in a cell.
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which features used to identify igneous sedimentary and metamorphic rock samples
Answer:
Basis of Texture and Mineral Composition
Explanation:
As with igneous and sedimentary rocks, metamorphic rocks are classified on the basis of texture (grain size, shape, orientation) and mineral composition.
To determine how closely related organisms are scientists consider all of the following except
Answer:
compare the DNA of two organisms
Explanation:
Which of the following are controversies over water usage in the United States? Select the three correct answers.(2 points)
a. whether dams increase the salt level of water
b. whether people should drink bottled or tap water
c. whether people should build dams on rivers
d. whether there are hidden costs to tap water
e. whether water treatment should be privatized
f. whether dams impact the volume of rivers
Because to their impact on the environment and wildlife, the construction and water usage of dams across rivers is a s source of controversy in the US.
What is water usage?Water usage refers to the various ways and water is used in th society.
The usage of water can either ensure its continuous availability as well as sustainable environment and habitat for wildlife.
Water usage comes with a lot of controversies especially their impact on the environment and wildlife.
Three controversies regarding water usage in the US are as follows:
whether dams increase the salt level of waterwhether people should build dams on riverswhether dams impact the volume of riversTherefore, due to their impact on the environment and wildlife, the construction and usage of dams across rivers is a s source of controversy in the US.
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Flowering plants and pollinators, such as bees, have adapted together over time in ways that enhance each other’s survival. The bee obtains nectar from the flower. How does the flower benefit from this relationship?.
Answer:
no awnser here , just setting up my account
Which two of the following arrows show
matter moving from a tertiary consumer to a
decomposer?
the arrow between the
sea otter and the orca
the arrow between the
kelp and the sea urchin
the arrow between the
zooplankton and the
plainfin midshipman
the arrow between the
orca and the sea
cucumber
the arrow between the
kelp bass and the bat
star
Answer:
the arrow going from the orca to the sea cucumber
Explanation:
An orca is a tertiary consumer (at the very top of the food chain, not many animals eat orcas and orcas eat almost any animal) while the sea cucumber is a decomposer (they are at the very bottom of the food chain. they eat things like plankton, pieces of animal waste on the sea floor, etc. but they dont eat any consumers.) i hope this helped! have an amazing day (:
Why is it good that
multiple
sequences code
for the same amino
acid?
To measure glomerular filtration rate, a substance that is neither secreted, reabsorbed, or metabolized is needed. The compound ______ is an example of a substance used to measure GFR. Multiple choice question.
Answer:
fiction
Explanation:
If we stopped burning fossil fuels today, what would happen to the climate?.
If we stopped burning fossil fuels, the climate would be much cooler than it is today. The hot planet is a big concern today.
What is fossil fuel?Fossil fuels are matter that is made up of decaying organic matter, such as animals and plants. Fossil fuels are made for millions of years. They are used in running big machines and generating power plants.
Fossil fuels are burned in running machines or run a car, and the gases that came from this burning cause the earth to warm.
Thus, the temperature would be significantly colder than it is right now if we stopped burning fossil fuels. Today, the planet's heat is a major problem.
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What is a landslide?
Movement of earth materials up a slope.
Movement of water up a slope.
Movement of water down a slope.
Movement of earth materials down a slope. ill mark brainlyest
What is atom?
What is mass?
ATOM : - An atom is the basic building block of chemistry.
MASS : - a large body of matter with no definite shape.
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What causes these variations in traits such as hair color, eye color, and height?
Katie and her sister have entirely different features and traits. Katie has blond hair and brown eyes, but her sister has red hair and blue eyes.
A. competition
B. offspring
C. alleles
D. fitness
Answer:
C.
Explanation:
That would be Alleles! Hope this helped <3
Hi friend! here is your answer!
=================================================================The answer is C.!
can i have brainliest answer thanks friend!
===============================================================fun fact Did you know that your DNA determines things such as your eye color, hair color, height, a nd even the size of your nose? The DNA in your cells is respons ible for these physical attribute as well as many others that you will soon see. It turns out that the DNA in your body came almost directly from your mother and father.