Answer:
An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact.
Explanation:
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explain the roles of mRNA and tRNA
What does viscosity describe
Answer:
If I fill the same cup with water, for example, the cup will drain much more quickly.
Explanation:
Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a moving fluid. A fluidwith large viscosity resists motion because its molecular makeup gives it a lot of internal friction.
Which macromolecules make up most of the structure that is shown?
A) carbohydrates
B) lipids
C) nucleic acids
D) proteins
Answer:
I believe its either lipids or proteins.
Explanation:
Sorry if I'm wrong!
In the overall process of glycolysis and cellular respiration, __________ is oxidized and __________ is reduced.
In the overall process of glycolysis and cellular respiration, glucose is oxidized and oxygen is reduced.
This whole process of oxidation and reduction is called aerobic respiration.
In this process glucose reacts with molecular oxygen to produce carbon dioxide and water, hence the carbon atoms in glucose are oxidized.
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The North Atlantic right whale was classified as an endangered species in 2015. A major cause of death for these whales is collisions with shipping vessels. Several measures have been enacted to prevent such collisions in regions with a high abundance of right whales. In 2002 and 2006, shipping vessel lanes were rerouted around some of these regions. In 2008, speed restrictions were placed on the shipping vessels that were permitted to travel through these regions.
The graph below shows the estimated abundance of North Atlantic right whales from 1990 to 2015. The years in which these measures were enacted are marked on the graph.
The data in the graph is best supported by : ( D ) While changes to vessel lanes and speeds may have been beneficial to right whales, additional actions are needed to prevent population declines.
Description from the GraphFrom the data presented in the graph the population of the right whales was favored by the changes in vessels lanes but the population began to decline again in and around 2009 therefore this is evident that additional actions are needed to prevent population declines other than changing vessel routes and placement of speed restrictions.
Hence we can conclude that While changes to vessel lanes and speeds may have been beneficial to right whales, additional actions are needed to prevent population declines.
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Missing part of the question
What conclusion is best supported by the data in the graph?
A. Modifying shipping lanes is the most effective method of encouraging population growth in right whales.
B. Limiting shipping vessel speeds is the most effective method of preventing population decline in right whales.
C. Changes to vessel speeds and lanes have been effective in preventing population
declines in the right whale population, and no further actions are needed.
D. While changes to vessel lanes and speeds may have been beneficial to right
whales, additional actions are needed to prevent population declines.
When unfavorable growth conditions (for binary fission) are present, however, some bacteria form ____________.
The blank space in the task content should be filled with endospores.
What other reproduction form is exhibited by bacteria in unfavorable growth conditions?As an alternative reproduction form, during endospore formation, the bacterium divides within its cell wall, in which case, one part engulfs the other. Endospores are resistant to harsh growth conditions and are able to survuve these conditions and lie dormant for extended periods, even centuries.
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All parts of the body must work
together to maintain homeostasis.
Which of these help maintain
homeostasis in the body?
A. chloroplasts
C. central vacuoles
ernational Academy of Science. All Rights Reserved.
B. cell walls
D. organ systems
D. organ systems help maintain homeostasis in the body.
What is homeostasis?Homeostasis is the process by which the body maintains a stable internal environment, despite changes in the external environment. This involves the coordination of various systems and processes within the body, including the circulatory, respiratory, digestive, and nervous systems.
These organ systems work together to maintain homeostasis by regulating various functions, such as maintaining a consistent body temperature, pH balance, and fluid balance.
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Membrane proteins that bind to signal by which cells communicate are called
Membrane proteins that bind to signal by which cells communicate are called receptors are generally transmembrane protein.
What is the function of the stop sequence to a transmembrane protein?When the protein presents an internal signal sequence (SSI), this sequence, in addition to directing the transport of the translational complex to the REG, will also act as an SPT, with the carboxy-terminal portion of the protein facing the lumen. from the reticulum or into the cytosol.
in this case, many transmembrane proteins function as gateways to permit the transport of specific substances across the membrane.
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Identify the structures of the neuromuscular junction
The structures of the neuromuscular junction are apresynaptic region; synaptic cleft and postsynaptic region.
What is the neuromuscular junction?The neuromuscular junction is where a nerve ending joins skeletal muscle tissue. Muscle contraction signals are initiated by chemicals, such as the neurotransmitter acetylcholine, that are transferred from the nerve ending, or motor end plate, to the muscle.
The importance of neuromuscular junctions is the synapse region between skeletal striated muscle fiber and motor axon; whose function is the transmission of the nerve impulse.
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Explain how the wall thicknesses are related to the functions of the chambers.
The explanation of how the heart wall thicknesses are related to the functions of the chambers are as explained below.
How to know heart wall thickness and chambers?Heart chambers are four hollow spaces within the human heart which are made up of two atria and two ventricles.
The thickness of the heart wall is related to the force of contraction required in the heart in the sense that the left ventricle which is the thickest wall contracts with the greatest force and creates the greatest amount of blood pressure in the heart chambers.
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What happens to the ecosystem’s resilienceto disturbance
What are the reactants for Anaerobic Respiration?
The primary reactant of aerobic respiration is glucose.
Anaerobic respirationThis refers to respiration in the absence of oxygen.
Without oxygen, glycolysis of the glucose molecule will take place just like in aerobic respiration.
However, instead of the pyruvate molecules moving into the Kreb's cycle, they are instead, converted to one of lactic acid or ethanol.
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a woman going through menopause may take ________ to minimize the symptoms.
A woman going through menopause may take estrogen as part of hormone replacement therapy.
What is menopause?Menopause is the period in a woman's life in which she stops menstruation. This is because the woman's ovaries stops producing eggs and the level of the hormone estrogen is reduced.
To minimizethe symptoms associated with onset of menopause, a woman going through menopause may take estrogen as part of hormone replacement therapy.
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What happens when a phase in the cell cycle does something incorrectly / doesn't do its required tasks, what happens to the cells that are impacted by those errors and what effect does it have on other cells in the cell cycle?
When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.
What happens when a phase in the cell cycle does something incorrectly?When a phase in the cell cycle does something incorrectly, then they cannot move to opposite poles in the later phases of mitosis, which result the cell with extra chromosomes and a daughter cell with missing chromosomes. These mutations can lead cell death, disease or cancer.
So we can conclude that When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.
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which list of names is the correct order for filing in an alphabetic system?
The list of names in the correct order using the alphabetic system will have the names listed from the letters A to Z.
What is the correct ordering of names in an alphabetic system?An alphabetic system is a system which orders items based on the ordering of alphabets.
The alphabets in English language are 26 in number from A to Z.
Since no names were provided, the list of names in the correct order using the alphabetic system will have the names listed from the letters A to Z.
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what is the main use of technology
Answer:
Technology plays an important role because it helps us deal with the complexities of life. Everyone having daily use over want or need.
Things technology helps with daily. ...
Communication. Nowadays we have phones and other devices that we can use to contact loved ones or people we need help from, unlike the old days.
Education. Some students use virtual school for a more flexible schedule or just o keep learning at home without a classroom or place to be needed.
Health. For example, MRI scan, CT scan, x-ray, or ultrasound are tech used at hospitals.
Internet searches. We can go to multiple research platforms and get answers to our questions from world experience or even find out abt our history.
House assets. Things like refrigerators, microwaves, stoves, lamps, fans/AC, TVs, tech assistants (If you have) and more.
Hope this helps but there's too many things to list!
Based on the information in Experiment 3, if researchers wish to further study the inhibitor that is most effective under physiological conditions, they should choose the one that yields the lowest hGGT activity when GSH concentration is:
The experiment is NOT found here but to study which inhibitor is most effective under physiological conditions is required to use the Michaelis–Menten equation.
What is the Michaelis–Menten equation?The Michaelis–Menten equation is a model used to calculate the rate of change of substrates to products in a chemical reaction.
The Michaelis–Menten equation indicates that the velocity of the reaction is equal to the maximum rate of the reaction divided by the product between the Michaelis constant (km) and the concentration of substrate.
In conclusion, the experiment is missing here but to study which inhibitor is most effective under physiological conditions is required to use the Michaelis–Menten equation.
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explain how RNA can serve as hereditary information
Answer: Genetic code (genes and genome) and the mechanisms of replication.RNA determines a cell’s function, synthesizing proteins and enzymes. Mutations, changes in DNA instructions, are the molecular basis of evolution. Nucleic Acids are the basis for the storage and transmissions of hereditary information in all cells.
Explanation:
RNA serves as the hereditary information for viruses that lack DNA. Although, typically single-stranded in most cells, in viruses they can be either single-stranded or double-stranded. Double-stranded RNA is an indicator or a viral infection.
Without undergoing any changes itself, the _____ makes changes to the ______.
Without undergoing any changes itself, the enzyme makes changes to the substrate.
What is an enzyme?An enzyme is a biological catalyst that acts by lowering the activation energy in a chemical reaction.
In a chemical reaction, an enzyme binds to a substrate to convert it to one or more products.
In conclusion, without undergoing any changes itself, the enzyme makes changes to the substrate.
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When a cat drops from a tree to the ground the conversion of takes place. Then the cat runs up behind a mouse to obtain it food after eating it’s prey the conversion of takes place inside the cats body
Answer:
The first part would be gravitational to kinetic energy. Then it would be chemical to mechanical energy.
Explanation:
LeeAnn wants to organize her data from researching the effect of hours of sunlight on plant growth to see if there is a trend in the data. Which would be the best way for LeeAnn to display her data for analysis so she can make predictions about the amount of light needed for maximum growth?
in a line graph
in a data table
in a bar graph
in a pie graph
The best way for LeeAnn to display her data for analysis so she can make predictions about the amount of light needed for maximum growth will be a line graph.
When comparing how numerous items change over time in relation to one another or tracking smaller changes over longer periods of time, line graphs (also known as line charts) work well. The crucial term "over time" is your cue to think about creating a line graph for your data whenever you hear it. Because they are straightforward, simple to grasp, and efficient, line graphs are often used and effective charts. Hence LeeAnn can display her data using a line graph because plant growth is a small change and has to be recorded for a longer period of time.learn more about line graph here:
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Answer:
line graph.
Explanation:
when can exponentail growth occur in a population
Answer: d
Explanation:
Which of these statements is NOT true of the phylogenetic tree?
The statement that says that the phylogenetic tree ranks organisms by importance in evolutionary history is false.
A phylogenetic tree is a branching diagram which shows how an organism is linked to its ancestorsIt depicts the relationship between various organisms who may have shared a common ancestorUsing a phylogenetic tree, we can are better able to pinpoint when and how a new species has evolvedIt shows how evolution has occurredWe have to keep in mind that phylogenetic trees are not always accurate, they are a form of hypothesesA phylogenetic tree does not rank organisms by their significance in evolutionary history.
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Your question was incomplete. Please check below the full content.
Which of these statements is NOT true of the phylogenetic tree?
A.It ranks organisms by importance in evolutionary history.
B.It depicts an organism's lineage as it changes over time
C.It shows successive events of speciation in which one species gives rise to two.
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What adaptations does the small intestine make for absorption?
The small intestines are well adapted for absorbing nutrients during digestion by being very long, having villi and microvilli that increase surface area, using muscular contractions to move and mix food, and receiving and housing digestive enzymes and bile that help the breakdown of food.
The adaptations in which the small intestine make for absorption is the presence of a finger-like structure called villi.
What is Villi?These are finger-like structures found in the small intestine which increase the surface area for absorption.
They possess blood vessel which ensures the nutrients are transported to other parts of the body.
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The graph shows a population of rats in a forest habitat over a 10-year period.
The forest was a controlled environment, and no rats were allowed to enter or
leave the habitat.
Number of Rats (in thousands)
250
225
200
175
150
125
100
75
50
25
110
0+
30
2
3
76
45
Population
4
5
90
Year
200
100
6 7
30
29 27
8 9 10
Based on the graph, at which point is the death rate most likely greater than
the birthrate?
Answer:
100
Explanation:
there is a certain amount of food and resources to sustain a certain amount of individuals in a population. Since the individuals exceeds the amount of resources at 100,000 individuals you would usually see the death rate higher than birth rates to balance out the number of individuals to the number of resources so there is enough for all the individuals there.
Energy is needed to carry out all cellular processes. True Flase
Answer: true
Explanation: Inside every cell of all living things, energy is needed to carry out life processes. Energy is required to break down and build up molecules and to transport many molecules across plasma membranes.
hope this helps
Answer:
False
Explanation:
Not all cellular processes need energy in order to be carried out example .diffusion of particles across a cell membrane do not require energy .since diffusion is a passive form of transport(do not require energy).
Where the better adapted organisms survive to pass traits along to offspring.
Ions are transported across plasma membranes using __________, which requires __________.
The first three strata of the epidermis consists of ______ keratinocytes and the most superficial strata contain ______ keratinocytes.
The first three strata of the epidermis consists of living keratinocytes and the most superficial strata contain dead keratinocytes.
What is epidermis and its function?
The cutin with the wax provides protection against fungi, bacteria and some insects. The main function of the epidermis is the coating, preventing the action of pathogenic agents, reducing injury by mechanical shocks and preventing water loss.
As the epidermis is the most superficial tissue that the body has, in this part there are living and dead cells at the same time.
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Question 3 of 10
What was the purpose of treating the radish seeds for the lab "Radical
Radishes" with radioactive cobalt-607
O A. To cause mutations in the radish embryos
B. To hybridize normal radish DNA with a radioactive DNA probe
C. To kill all the living microorganisms on the seeds
D. To produce labeled probes with radish DNA
SUBMIT
The purpose of treating the radish seeds for the lab "Radical Radishes" with radioactive cobalt-607 is to hybridize normal radish DNA with a radioactive DNA probe. Thus, the correct option is B.
What are Probes?Probes may be characterized as a single-stranded sequence of DNA or RNA manipulated to explore its complementary sequence in a sample genome.
The radioactive elements in the research are used for hybridizing the radioactive probes that are labeled in the genome sample which is under investigation.
Therefore, the correct option is B.
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