The bloodstain above is unique and should be immediately identifiable to a forensic blood spatter technician. What happened here?
a. A cast-off pattern was formed by a bloody ax on the upswing.
b. This is expirated blood.
c. One or more blood drops dripped into the center of another drop.
d. This is clearly a transfer pattern.
Answers
Answer:
b
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Related Questions
Use the DNA sequence below to answer the question that
follows.
5' A C A T C G A C G C G C G C A 3
What is the complimentary DNA strand that would result
during replication?
A. 3' U G U A G C U G C G C G C G U5'
B. 3'A C A T O G A OG O G C G C A5
C. 3'A C A U C G A C G C G C G C A51
D. 3’ T G T A G T G C G C G C G T5
Answers
It's gonna be answer choice A, because during replication, U (uracil) is used to replace T (thymine) when we're talking about the complimentary strand. Answer A is the only one that has U at the beginning which compliments A (adenine).
Forested floodplain wetlands benefit from periodic flooding from rivers. When floodwaters spill into the wetland, they bring water and nutrients and leave both behind. But humans have often cut off floodplains from rivers by building roads, levees, berms, etc. Think about what would happen if a river could no longer flood into these areas. How would the resulting increased amount of water and nutrients in the river affect soils, hydrology, and life downstream?
Answers
The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.
If a river can no longer flood into forested floodplain wetlands due to human interventions, it would have significant consequences for the downstream areas in terms of soils, hydrology, and life.Without periodic flooding, the increased amount of water and nutrients in the river would not be able to disperse and be deposited in the floodplain wetlands. As a result, downstream soils would experience a decrease in nutrient inputs, leading to decreased fertility and altered composition. The absence of regular flooding would disrupt the natural hydrological cycle, reducing the recharge of groundwater and altering the flow patterns in the river system. This could result in decreased water availability, increased erosion, and changes in the overall ecosystem dynamics downstream.The disruption of nutrient flows and hydrological patterns would also have a significant impact on the life forms downstream. Aquatic plants, fish, and other organisms that depend on floodplain wetlands for breeding, feeding, and shelter would face habitat loss and reduced food availability. This, in turn, could disrupt the food chain and impact the abundance and diversity of aquatic and terrestrial species in the downstream areas.The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.For more such questions on flooding
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what is the difference between cork formation and gum formation in the plants as an immune mechanism
Answers
Answer:
Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.
Explanation:
The diagram shows molecules in a fluid. Explain the
sequence of events that happens when this fluid cools
down. Be sure to focus on what happens to the
molecules and to the fluid in general. Five events
should be included in your answer.
Answers
The five sequences of events that happens when a fluid cools down are:
Reduction in Kinetic EnergyDecrease in VolumeIncrease in DensityIncrease in ViscosityFormation of SolidWhat happens when a fluid cools down?When a fluid cools down, the average kinetic energy of its molecules decreases, causing them to slow down. This results in a number of changes to the fluid that can be described as a sequence of events:
Reduction in Kinetic Energy: As the fluid cools down, the molecules in the fluid lose kinetic energy. Decrease in Volume: As the molecules in the fluid slow down, they move closer together. This reduction in kinetic energy leads to a decrease in the volume of the fluid. Increase in Density: As the volume of the fluid decreases, the number of molecules per unit volume increases. This increase in the number of molecules per unit volume results in an increase in the density of the fluid.Increase in Viscosity: As the fluid becomes denser, the interaction between the molecules increases. This increased interaction between the molecules results in an increase in the viscosity of the fluid. Formation of Solid: If the fluid continues to cool down, the molecules will eventually slow down to the point where they are no longer able to move freely. At this point, the fluid will freeze and become solid.Learn more about the cooling of fluids at: https://brainly.com/question/9681752
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Answer:
Sample Response: When the fluid cools, the kinetic energy of the molecules decreases. This causes the molecules to slow down and move closer together. Since the molecules are closer together, the density of the fluid increases and the fluid sinks.
Explanation:
If the results of your experiment do not support your hypothesis, you should
a. Publish your results anyway
b. Consider the results abnormal and continue working
c. Find a way to rationalize your results
d. Try another metho
Answers
The heart pumps _____ through the blood _____. the blood carries food and a gas called _______ in one direction. it takes food, cells ________ and the gas _______ in another direction
Answers
Answer:
blood, vessels, oxygen, (heat, hormones), carbon (iv)oxide
What is meant by RNA stability, and why is this important
Answers
The RNA stability is determinated by the balance between its synthesis rates and degradation rates, being the time that the RNA keeps structural integrity and resists degradation. The RNA stability is important because its act as a control point in modulating gene expression, as well as the primary structure order for molecules sequences and its interactions.
Why does a pea plant with the genotype Rr have round seeds, not wrinkled ones.
Answers
Answer:
Wrinkled peas need to have genotype rr, since the wrinkled trait (r) is recessive
Explain which cells,tissues,or organs should be modified to lead to successful photosynthesis in animals or humans
Answers
Answer:
Photosynthesis is a process that is only possible in autotrophic organisms such as plants, algae, and some bacteria. This process involves the conversion of light energy from the sun into chemical energy in the form of glucose, which is the primary source of energy for these organisms. Animals and humans, on the other hand, are heterotrophic organisms and cannot perform photosynthesis. They rely on consuming other organisms to obtain energy.
Therefore, it is not possible to modify any cells, tissues, or organs in animals or humans to carry out photosynthesis successfully. This is because photosynthesis requires specific organelles such as chloroplasts, which are found only in the cells of autotrophic organisms. Additionally, photosynthesis requires specialized pigments such as chlorophyll, which is responsible for capturing light energy. These pigments are also found only in autotrophic organisms.
In summary, modifying cells, tissues, or organs in animals or humans will not lead to successful photosynthesis, as this process requires specific structures and pigments found only in autotrophic organisms.
If you used a slingshot to launch a bowling ball and a baseball with the same force, which would go further? Explain your reasoning.
Answers
Answer: The baseball will go farther because of Newton's law. The more mass an object as, the more force needed to move it. The bowling ball has more mass than a baseball so more force is needed to move it.
Explanation:
An atom has a mass number of 36 and an atomic number of 16, how many
neutrons does the atom have?
Answers
Answer:
36
Explanation:
Mass (36) - number (16) = 20 neutrons
Anaerobic respiration occurs when
a. There is too much oxygen to do aerobic respiration
b. Photosynthesis cannot take place
c. There is not enough oxygen to do aerobic respiration
d. It is usually occurring in your body
Answers
I think the answer is A.
The heart is an organ in the circulatory system. Muscle tissue in the heart contracts to pump blood to the body. Connective and epithelial tissues in the heart hold the muscle cells together and in place in the chest. Nervous tissue in the heart coordinates how fast and hard the muscle cells contract.
Based on the information about the heart, which of these best describes the relationship between tissues and organs?
A.
None of the tissues in an organ help the other types of tissue to function.
B.
Organs function best when they are made up of only one type of tissue.
C.
Organs can function because they are made of different types of interacting tissues.
D.
Each type of tissue in an organ can carry out the function of the entire organ.
Answers
Blood levels of the readily available fuel, glucose, are tightly regulated by two chemical messengers. One of these, called insulin, decreases blood glucose. The other chemical messenger, called glucagon, increases blood glucose. Both chemical messengers are present at varying levels in the blood at all times. From the choices below, select all of the events that you think will happen in response to a decrease in blood glucose. a. Insulin levels increase b. Insulin levels decrease c. Glucagon levels increase d. Glucagon levels decrease e. Blood glucose levels begin to increase f. Blood glucose levels continue to decrease g. Blood glucose levels remain unchanged
Answers
Glucagon levels increase, Blood glucose legrls begin to increase.
Glucagon converts Glycogen stored in the liver back to Glucose to be used by the body as energy.
Glucagon levels increase, Blood glucose levels begin to increase. Thus, the correct option is B.
What causes glucagon levels to increase?The secretion of glucagon is increased by hypoglycemia, increased sympathetic activity, catecholamines, and alanine. It is inhibited or decreased by hyperglycemia, insulin, and somatostatin.
Glucagon is to stimulate insulin secretion from the islet beta cells, which raises insulin concentrations.
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Anti-acid medications such as Tums and Alka-Seltzer are bases. What happens when you take an anti-acid tablet for acid reflux/heartburn?
A
It raises the pH of your stomach.
B
It lowers the pH of your stomach.
C
It kills harmful bacteria in the stomach.
D
It has no effect on acid refluz or heartburn.
Answers
Answer: it raises the ph of your stomach.
Explanation:
help now asap plssssss ols dont answer if you dont know
Answers
Answer:
Image 1
Hope this helps, have a nice day/night! :D
The cell membrane is mainly made up of lipids and proteins. It acts as a barrier to the surrounding environment. Which of the following statements about lipids BEST supports the argument that lipids help protect the contents of the cell?
Responses
Lipids that are placed in water do not dissolve.
Lipids that are placed in water do not dissolve.
The tail of a lipid is made of carbon and hydrogen.
The tail of a lipid is made of carbon and hydrogen.
Individual lipids in a membrane can rotate freely.
Individual lipids in a membrane can rotate freely.
Lipids are composed of a head and a thin tail
Answers
Lipids helps in protecting the contents of cell because it is hydrophobic , when placed in water they do not get dissolve.
There is a characteristic that unites the various chemicals that make up lipids. Insoluble in water, lipids are hydrophobic ("fear of water"). In a cell, lipids have a wide range of activities. Fat-like lipids, often known as lipid stores, are how cells keep energy for long-term use. For both plants and animals, lipids act as a barrier between them and their surroundings. As an illustration, their water-repellent properties aid in keeping aquatic birds and mammals dry. A significant component of the plasma membrane, lipids serve as the building blocks for numerous hormones. The several types of lipids are fats, oils, waxes, phospholipids, and steroids.
Thus, lipids cell membrane are the structural barrier of cell and helps in protecting its contents .
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What feature of bacteria makes them more capable of causing disease?
Answers
Answer:
They reproduce quickly in your body. Many give off chemicals called toxins, which can damage tissue and make you sick.
Hope this helps!
Which statement best explains why fossil fuels are unevenly distributed throughout Earth?
A It took a specific environment and the correct organisms for them to form.
B Earthquakes have shaken them into new locations.
C When Pangea split up the fossil fuels only went to certain locations.
D The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
Answers
The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
Thus, The components of fossil fuels are decaying plants and animals. These fuels may be burned to provide energy and can be found in the crust of the Earth.
An example of a fossil fuel is coal, as well as oil and natural gas. Coal is a substance that is typically found in sedimentary rock formations, which are collections of rock, dead plant and animal materials, and layers of silt.
A chunk of coal must contain more than 50% fossilized plant material. Shale is one sedimentary rock type that contains oil in its native form.
Thus, The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
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Ld50 is 20 mg per kilogram what for this mean?
Answers
Answer: LD means lethal dose. LD50 is the amount of a material, administered at once to cause the death of half (50%) of a group of test organisms. A test which shows that LD50 of a certain chemical is 20 mg per kg means that 20 milligrams of that chemical for every 1 kilogram body weight of the test animal when administered in one dose, causes the death of 50% of the test group.
Explanation:
Below are drawings of three strings hanging from a bar. The three strings have metal weights attached to their ends. String 1 and String 3 are the same length. String 2 is shorter. A 10-unit weight is also attached to the end of String 2. A 5-unit weight is attached to the end of String 3. The strings (and attached weights) can be swung back and forth and the time it takes to make a swing can be time. Suppose you want to find out wether the length of the string has an effect on the time it takes to swing back and forth. Which strings would you use to find out?
Answers
The strings would you use to find out are mathematically given as(c) Strings 1 and 3. Option C
Which strings would you use to find out?Rope, the especially strong rope formed by twisting together extremely tiny strands, is used for attaching and tying: a wrapped present with a bow on top. ball and string
Generally, the equation for the Period of the simple pendulum is mathematically given as
\(T=\sqrt{\frac{l}{g}}\)
pendulums 1 and 3 have the same string length
The periods in strings 1 and 3 are identical.
Therefore, (c) Strings 1 and 3 would you use to find out
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CQ
Below are drawings of three strings hanging from a bar. The three strings have metal weights attached to their ends. Stri
Below are drawings of three strings hanging from a bar. The three strings have metal weights attached to their ends. String 1 and String 3 are the same length. String 2 is shorter. A 10 unit weight is attached to the end of String 1. A 10 unit weight is also attached to the end of String 2. A 5 unit weight is attached to the end of String 3. The strings (and attached weights) can be swung back and forth and the time it takes to make a swing can be timed 2 E 10 Suppose you want to find out whether the length of the string has an effect on the time it takes to swing back and forth. Which strings would you use to find out?
Only one string Al three strings 2 and 3 1 and 3 1 and 2The difference between active transport and passive transport is that a. concentration gradients are involved in one and not in the other. b. glycolipids play a role in one and not in the other. c. one requires expenditure of energy by the cell and the other does not. d. ions are transported into and out of the cell by one process and not by the other.
Answers
Answer:
D) ions are transported into and out of the cell by one process and not by the other
The region indicated by letter A is known as
Answers
Answer:
a gene
Explanation:
thhis was a review in high school
What is the difference between germline mutations and somatic mutations?
Answers
Somatic mutations are changes to your DNA that happen after conception to cells other than the egg and sperm.
A cell created by cloning is genetically
Answers
Answer:
Identical to its parent.
Explanation:
A student makes a model of a cell. He uses a plastic bag to represent the cell membrane. He fills it with a clear gel to represent the cytoplasm. He puts in other materials to represent parts of the cell within the cell membrane. His teacher tells him that the plastic bag is not a good representation of the cell membrane. She suggests that the student find a material that better shows how a cell membrane works. The student makes another model using a woven cloth bag to represent the cell membrane. The teacher tells him that he made a good choice.
Why is the woven cloth a good choice for improving the student’s cell model?
Answers
Answer: because the function of the cell membrane is to provide protection of the cell
Explanation: hope this helped
For the situation below , determine whether the premium will likely increase , decrease, or remain the same. Jamie just turned 25
Answers
Answer:
The premium decreases when Jamie turns 25 years old.
Explanation:
The question above is about auto insurance premiums, which, as the name already says, is insurance aimed at automobiles, with the objective of promoting economic and financial protection in relation to accidents and problems that may happen in these vehicles.
When an individual turns 25, like Jamie, the insurance premium decreases in value, that is, the insurance companies offered cheaper and more economical rates to the driver when he is going to renew the contract.
How much work is done on a stationary box that is
moved across a carpet by a person? The box weighs
5N and it is moved 50cm.
What is the energy transfer for this box?
Answers
The work is the force times distance:
Force = 5NDistance = 50 cm = 0.01 mWork = 5N * 0.01m =0.05 Nm
Since work equals to the change in kinetic energy, thus the energy transfer or work is 0.05 Nm
Answer: 0.05 Nm
Hope that helps!
Look at the graphic JPG List and describe 3 methods of jellyfish movement
Answers
1 As the jelly contracts, it creates higher pressure within its bell, and the animal is pulled ahead to lower pressure 2. By flexing the edge of its bell, the jelly moves the vortex down and underneath 3. There the vortex pushes water up as it spins, giving the jelly an extra shove
Which of the following is necessary for electricity to flow through an electric
circuit?
A. The wires must be insulated.
B. The path of the electricity must be complete.
C. At least two batteries must be used.
D. A switch must be used to allow the flow.