Answer:A evolution: the squid lost its other bones
Explanation:The pen, a stiff, rod-like structure found in the body of some species of squid, is believed to have evolved from the remnants of a once more extensive skeleton that the animal no longer needed. Over time, as the squid evolved, it lost many of its bones, including those in the tail, leaving only the pen as a remnant of its evolutionary history. This is known as a process of reduction, in which an organism reduces its overall skeletal structure as it adapts to its environment and changes in behavior or anatomy.
The interphase includes which of the following? A. Cytokinesis B. S phase C. Two new daughter cells
The interphase includes which of the cytokinesis
What is the interphase?
The G1, S, and G2 phases are all considered to be interphase, which is the part of the cell cycle that is not accompanied by changes that can be seen under a microscope. The cell develops, copies its DNA, and gets ready for mitosis during interphase. A cell going through interphase is not just dormant.
A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then exits interphase, goes through mitosis, and finishes dividing.
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The Family of elements whose atoms have their outer layers of electrons completely filled making their very, very stable is the ___________ family.
Answer:
Nobel gases
Explanation:
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Please help
Using the diagram above, answer the following questions:
6. True or False. The arrow labelled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false.
7. True or False. The arrow labelled A represents a transfer of solar energy to chemical energy. Explain why this is true or false.
8. Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
9. Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.
10. Which arrow or arrows represent reactions that demonstrate the conservation of mass and energy? Explain your answer.
6. The arrow labeled C does not represent a transfer of chemical energy to mechanical energy because the process is the conversion of chemical energy to another form of chemical energy.
The correct option is False.
7. The arrow labeled A represents a transfer of solar energy to chemical energy because solar energy from the Sun is converted into food in plants.
The correct option is True
8. The arrows that represent a release of carbon dioxide is C and F. C is combustion and F is respiration.
9. The arrows that indicate a process that cycles carbon from living or nonliving organisms are D, B, and E where D is the dissolution of carbon dioxide in rainwater, B is photosynthesis, and E is decomposition.
10. The arrow that represents reactions that demonstrate the conservation of mass and energy is E where the released carbon dioxide by animals is taken up by plants.
What is the carbon cycle?The carbon cycle is the ongoing process through which carbon atoms move back and forth between the atmosphere and the Earth.
The carbon cycle involves such processes as
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The unique properties (characteristics) of water make life possible on earth. select three properties of water and
a.for each property, identify and define the property and explain it in terms of the physical/chemical nature of water.
b.for each property, describe one example of how the property affects the functioning of living organisms
The properties of water that make life possible on earth are universal solvent, liquidity, and high heat of vaporization.
How properties of water affect the functioning of living organisms?Water is a universal solvent and almost every chemical dissolves in it, and it can take part in many chemical reactions. It is helpful in the transportation of oxygen in our body, and in photosynthesis.
It is in the form of liquid which is available for drinking and in process of photosynthesis. Many aquatic organisms' life is possible due to the liquidity of water.
The high heat of vaporization is another important property due to which water remains liquid.
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Which of the following statements about saliva is FALSE?
It contains the enzyme salivary amylasc.
It helps protect the tecth from decay.
It moistens food so that it can be tasted and
swallowed.
It contains a protein-splitting enzyme
It lubricates the mouth
The following statements about saliva which is false is that It contains a protein-splitting enzyme and is therefore denoted as option D.
What is Saliva?This is referred to as an extracellular fluid which is produced and secreted by salivary glands present in the mouth and it contains about 99% water, electrolytes, etc.
It helps to moisten food so that it can be tasted and swallowed and contain the enzyme salivary amylase which is a carbohydrate splitting enzyme which is therefore the reason why option D was chosen as the correct choice.
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How is dsRNA different in function from other types of RNA?
Responses
It contains thymine instead of uracil.
It's used in transcription instead of translation.
It's single-stranded instead of double-stranded.
It destroys mRNA instead of making proteins.
The viral RNA, dsRNA, blocks the expression of certain genes by degrading mRNA molecules. Option D. It destroys mRNA instead of making proteins.
What is dsRNA?
dsRNA is a viral bi-catenary RNA. It is a double-stranded molecule (double-strand, ds).
dsRNA is capable of silencing specific sequences of certain genes. The dicer enzyme cuts dsRNA molecules and produces siRNA small interfering RNA).
siRNAs suppress the expression of target genes when cutting messenger RNA into two halves.
The two mRNA halves are later degraded by the cellular machinery, leading to the suppression of gene expression.
Option D. It destroys mRNA instead of making proteins.
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13. Imagine you are on the logistics team for a remote Doctors Without Borders I
camp that has been given remote surgery equipment. When you test the equipment,
you realize that the image is too blurry. One of your colleagues says that the
blurriness is a result of not enough pixels being transmitted quickly enough by the
Internet connection. He says that the camp must ask for a faster Internet
connection. (4 points)
a. Is the request a worthwhile one to make?
Answer:
Yes, the request for a faster Internet connection is a worthwhile one to make. The blurriness of the image is likely due to the fact that the current Internet connection is not sending enough pixels quickly enough, which can be solved by requesting a faster Internet connection. A faster Internet connection would ensure that the image is clear and of a high quality, which is necessary for remote surgery.
Explanation:
hat is the volume of a retangle with a lenght of a 5 cm, a width of 3 cm and a height of 2 cm
Answer:
30 cm^3
Explanation:
l x w x h = v
your length is 5,
your width is 3,
and your height is 2.
5 x 3 is 15, and
15 x 2 is 30.
V = 30 cm^3.
the "^" is the cubed root.
Functional groups are polar and hydrophilic. How does this affect their reaction with water? Help me please im begging you
Answer:
They easily react with water to dissolve and move across cell membranes.
btw love the prfp!
Explanation:
Hope this helps!^^
Answer:
They easily react with water to dissolve and move across cell membranes.
Explanation:
Which sequence best describes an interaction between the integumentary and excretory systems that helps maintain homeostasis?
A. Heart rate increases -> Blood vessels constrict -> Blood pressure increases
B. Blood vessel is damaged -> Platelets begin to clump -> Blood vessel ruptures
C. Blood sugar levels rise -> Pancreas secretes insulin -> Blood sugar continues to rise
D. Body temperature increases -> Glands release sweat -> Body temperature decreases
A gap in the geologic record that occurs when sedimentary rocks cover an eroded surface is called a(n)
*
1 point
Intrusion
Unconformity
Fault
Extrusion
2. A cell is placed in a saltwater solution. The water ______ the cell will _______ the cell, _____________ the
size of the cell, meaning that the saltwater solution is ____________ to the cell.
A. inside, leave, decreasing, hypertonic B. inside, stay inside, decreasing, hypertonic
C. outside, enter, increasing, hypotonic D. outside, enter, increasing, hypertonic
A cell is placed in a saltwater solution. The water inside the cell will leave the cell, decreasing the size of the cell, meaning that the saltwater solution is hypertonic to the cell (option A).
What is osmosis?Osmosis is the net movement of solvent molecules, usually water, from a region of lower solute concentration to a region of higher solute concentration through a partially permeable membrane.
If a cell is placed in a saltwater solution, it means the concentration of the solute outside the cell is more than that of the cell.
As a result, water will leave the cell (higher concentration) to the extracellular salt solution. It can be said that the salt solution is hypertonic.
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The following growth pattern occurs under ideal conditions where organisms have no competition for space, mates or resources.
options
1.Logistical Growth
2.Linear Growth
3.Exponential Growth
Logistical growth pattern occurs under ideal conditions where organisms have no competition for space, mates or resources.
What do you mean by logistical growth?A logistic function or logistic curve is a common S-shaped curve with equation where x_{0}, the x value of the sigmoid's midpoint; L, the supremum of the values of the function; k, the logistic growth rate or steepness of the curve.
Logistic growth takes place when a population's per capita growth rate decreases as population size approaches a maximum imposed by limited resources, the carrying capacity( K).
Logistic population growth occurs when the growth rate decreases as the population reaches carrying capacity. Carrying capacity is the maximum number of individuals in a population that the environment can support.
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Imagine you were going to model the flow of energy in an ecosystem and the flow of elements in the ecosystem using a diagram. Compare and contrast your diagrams for these two systems.(site 1)
Only 10% of energy is transmitted from one trophic level to another, whereas proteins, carbs, and lipids are transferred. Producers capture energy, which is subsequently distributed in a linear fashion from one tropic level to the next.
What is flow of energy in an ecosystem?In food webs, energy is transmitted from producers to consumers between the species. Organisms utilise the energy to complete difficult activities. The process of photosynthesis in plants transforms solar energy, which makes up the vast majority of the energy in food webs, into chemical energy.
The interactions, or food chains, between the living organisms that make up an ecosystem determine its trophic levels. In a food chain, energy moves from one trophic level to the next.
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Discuss the pros and cons of living in an area that is prone to tornadoes versus one that is prone to hurricanes.
Tornadoes and hurricanes are the occurrences that are common in certain areas.
What are tornadoes ?Tornadoes are more isolated and tend to occur less frequently than hurricanes and tornadoes often develop suddenly and can be monitored by weather radar, making them easier to predict.
On the other hand tornadoes can cause devastating damage due to their intense winds and can affect a smaller, more concentrated area and tornadoes can develop suddenly, leaving little time for residents to prepare.
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1. How has your understanding about race changed since you began learning about it? (2
points)
Children learn to comprehend, respect, and value differences between people when we teach them from an early age that discussing race is acceptable.
Why do we study race?Children learn to comprehend, respect, and value differences between people when we teach them from an early age that discussing race is acceptable. As a result, kids become better equipped to recognize when something in their surroundings seems unfair or unjust and can take action to change it.The definition of race changes based on the society.White, Black or African American, American Indian or Alaska Native, Asian, and Native Hawaiian or Other Pacific Islander are the five minimal classifications required by OMB.Children learn to comprehend, respect, and value differences between people when we teach them from an early age that discussing race is acceptable.To learn more about race refer to:
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Which of these particles is the smallest?
*
1 point
atom
neutron
proton
quark
Imagine you get caught in the crossfire of a gang shooting and you are sent to the
hospital. You have lost a lot of blood and need a blood transfusion! You have Type O+
blood. The nurse in charge of your transfusion hooks you up with a bag labeled "Type
A-". Using what you know about blood typing and the proteins present, would the
transfusion be a success? Explain why or why not. Be sure to mention the protein
markers present in your body and what is being transferred to you.
When a patient's body attacks the transfused red blood cells, it might result in an acute immunological hemolytic reaction, which is extremely dangerous but extremely uncommon.
What blood transfusion side effect is the most serious? When a patient's body attacks the transfused red blood cells, it might result in an acute immunological hemolytic reaction, which is extremely dangerous but extremely uncommon.An element that harms the kidneys is released in response to the attack.This frequently occurs when the blood type of the patient and the donor blood are not a good match.The most frequent initial adverse transfusion reactions include fever, chills, and urticaria.Acute and delayed hemolytic transfusion reactions as well as bacterial contamination of blood products are among the most potentially important events.ABO incompatibility might manifest itself in a person with type A blood getting a transfusion of type B or AB blood.The new blood cells are attacked and destroyed by your immune system during an ABO incompatibility reaction.To learn more about blood transfusion refer
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What is the name of the bond between two amino acids called? What type of chemical reaction is necessary to make this bond?
Answer: The bond between two amino acids is called a peptide bond. The chemical reaction necessary to make this bond is a condensation reaction, also known as a dehydration reaction.
Explanation:
What kind of mutation do you see below?
Original DNA: ATGCTA
Mutated DNA: ATTCTA
a.
Substitution
b.
Insertion
c.
Deletion
Answer: the
Explanation: help
Triangle ABC is reflected across line L to form ΔALBLCL, and AAL intersects line L at point D. Which equation is not necessarily true?
A.
m∠ACB = m∠ALCLBL
B.
AD = ALD
C.
m∠BAC = m∠BLALCL
D.
ALD = BLD
Answer:
The equation that is not necessarily true is D. ALD = BLD. This is because the line of reflection (L) does not necessarily bisect the triangle ABC, so the lengths of ALD and BLD may not be equal.
Explanation:
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short note on immune evasion mechanisms
Answer:
The major group of immune evasion mechanisms impliesactive interference with the host's immune responses.
Explanation:
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In a population of wolves, the birth rate is 4, the
death rate is 3, immigration is 2, and emigration is
3. Calculate the population growth by filling in the
formula below.
C+D-C+D=E
Since the
population
growth is
the
population is
The population growth rate will be 0 based on the facts supplied.
How is population growth calculated?The population growth rate will be 0 based on the facts supplied.
The rise in the number of organisms in a population is referred to as population growth.
Based on the facts supplied, population growth will be computed.
The birth rate is four.
The death rate is three.
Immigration = 2
Emigration equals three.
Population increase will now look like this:
= Birth rate + immigration - death rate
= (4 + 2) - 3 - 3
= 0
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Why artificial design is not science?
Answer:
This is because artificial design does not have a theory that is tested with observable evidence
Explanation:
1. Read the following learned behavior using Classical Conditioning.
My Mom usually turned on the light in the fish tank before feeding her tropical fish.
Now they come to the top of their tank to be fed whenever the light is turned on.
Identify the following stimuli and responses from the story above.
a. Neutral Stimulus (NS):
b. Unconditioned Stimulus (US):
c. Unconditioned Response (UR):
d. Conditioned Stimulus (CS):
e. Conditioned Response (CR):
My Mom usually turned on the light in the fish tank before feeding her tropical fish.Now they come to the top of their tank to be fed whenever the light is turned on therefore the type of stimuli and responses from the story above is a Conditioned Stimulus (CS) and is denoted as option D.
What is Conditioned Stimulus?
This is referred to as an event that produces an involuntary response after repeatedly being paired with an unconditioned stimulus that naturally elicits that behavior.
In this scenario, the involuntary response is them going to the the top of their tank to be fed and the unconditioned stimulus is the light which is turned on which elicits such behavior.
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why do you think radioactive decay would cause more volcanoes earthquakes and mountain building
Answer: cheese
Explanation:
cheese is good
Select all of the following equation(s) that are quadratic in form. x4 – 6x2 – 27 = 0 3x4 = 2x 2(x + 5)4 + 2x2 + 5 = 0 6(2x + 4)2 = (2x + 4) + 2 6x4 = -x2 + 5 8x4 + 2x2 – 4x = 0
Answer:
find the area of the triangle below 10cm to 11cm.
Why is RNA different from DNA
Answer:
see below
Explanation:
RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose
DNA is double stranded, but RNA is single stranded
DNA and RNA perform different functions in humans.
A woman who has normal arches and a straight hairline has children with a man who has flat feet and a widow’s peak. The phenotypes of their children include: One has a straight hairline and normal arches, one has a widow’s peak and normal arches, one has a straight hairline and flat feet, and one has a widow’s peak and flat feet.
what are the genotypes for the mother and father?
Please write topic about discovery in bacteria and write positive impact of this discovery.