Answer:
d
Explanation:
The incorrect statement about blood typing is that it can help determine the manner in which a victim died. Information about the cause or manner of a victim's death is usually derived from an autopsy, not blood typing.
Explanation:The statement that is NOT true about blood typing is option d: 'It can help determine the manner in which a victim died'. While blood typing can be particularly useful in forensic investigations for identifying individuals, determining kinship, or excluding individuals as potential sources of biological evidence, it does not provide any information on the manner of death. Detailed information about cause or manner of death is typically obtained through a complete autopsy and not merely by examining blood type.
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All living organisms are classified into one of three domains: Bacteria, Archaea, and Eukarya. Organisms in the domianns Bacteria and Archaea have which of the following in common?A:They are eukaryotic.B:They are multicellular,C:They are prokaryotic.D:They are heterotrophic.
Answer:
The correct answer is C. :)
Explanation:
After cytokinesis, how many cells have been formed from the parent cell?
Answer:
At the end of meiosis and cytokinesis, four haploid cells are produced from a single diploid cell. These haploid daughter cells have half the number of chromosomes as the parent cell and are not genetically identical to the parent cell.
Explanation:
Which of the following is most often associated with centripetal
acceleration?
O
A. A change in direction
O
B. Constant velocity
C. An increase in speed
O
D. A decrease in speed
Answer:
b
Explanation:
When new areas are being developed, nearby homeowners may notice an influx of displaced animals to their yards. How do these displaced animals disrupt the ecosystem of the residential yards?
Answer: The correct answer is: They compete with already present animals for sources of food.
Hope this helps! :)
Explanation:
Which picture represents a cast?
Answer:
its number 1
Explanation:
because the fly is stuck in amber
and the snail shell is in mold and is filled up
and number 2 is not cast
Which gas is not produced by volcanic eruptions?
Answer:
Methane
Explanation:
1. What is the advantage of using a patient's stem cells to make organ to replace the patient's failed
organ?
Answer:
Answered below
Explanation:
Collecting a patient's stem cells and using them for their treatment is known referred to as autologous stem cell transplantation. In autologous stem cell transplantation, stem cells are harvested in the patient's bloodstream or the bone marrow and used to treat or grow organs for the patient.
Using stem cells harvested from your own body is advantageous over stem cells collected from a donor. This is because the case of incompatibility is eliminated. There is also less risk of rejection of organ or graft versus host disorder, where the donor cells attack the host cells thinking they are foreign bodies.
There are fewer side effects and quicker engraftment and therefore quicker recovery.
Answer:
This is because it prevents organ rejection during transplant. so far the new organs share the same stem cells with the patient.. ;like cells, like tissues will not give rise to immune response which usually lead to rejection.
It also saves time, and ensures survival since there is no need to wait for a compatible donor, before the transplant can be possible.
Explanation:
Which process and product are represented in Diagram 2?
A. Process: replication
Products: tRNA
B. Process: recombination
Product: polymerase
C. Process: translation
Product: protein
D. Process: transcription
Product: mRNA
Answer:
D
Explanation:
Making a copy of the DNA sequence of a gene in RNA is the aim of transcription. Thus, option D is correct.
What importance of transcription process in gene regulation?A crucial biological mechanism known as transcriptional regulation enables a cell or an organism to respond to a variety of intra- and extracellular inputs.
To determine a cell's identity throughout development, to maintain it over the course of its existence, and to coordinate cellular activity.
RNA polymerase connects to a promoter sequence close to the start of a gene to start transcription (directly or through helper proteins).
A new, complementary RNA molecule is created by RNA polymerase using a template from one of the DNA strands (the template strand).
Therefore, Process: transcription Product: mRNA
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Explain the difference between a theory, hypothesis, and
law.
Hypothesis
A hypothesis is an educated guess, based on observation. It's a prediction of cause and effect. Usually, a hypothesis can be supported or refuted through experimentation or more observation. A hypothesis can be disproven but not proven to be true.
Example: If you see no difference in the cleaning ability of various laundry detergents, you might hypothesize that cleaning effectiveness is not affected by which detergent you use. This hypothesis can be disproven if you observe a stain is removed by one detergent and not another. On the other hand, you cannot prove the hypothesis. Even if you never see a difference in the cleanliness of your clothes after trying 1,000 detergents, there might be one more you haven't tried that could be different.
Theory
A scientific theory summarizes a hypothesis or group of hypotheses that have been supported with repeated testing. A theory is valid as long as there is no evidence to dispute it. Therefore, theories can be disproven. Basically, if evidence accumulates to support a hypothesis, then the hypothesis can become accepted as a good explanation of a phenomenon. One definition of a theory is to say that it's an accepted hypothesis.
Example: It is known that on June 30, 1908, in Tunguska, Siberia, there was an explosion equivalent to the detonation of about 15 million tons of TNT. Many hypotheses have been proposed for what caused the explosion. It was theorized that the explosion was caused by a natural extraterrestrial phenomenon, and was not caused by man. Is this theory a fact? No. The event is a recorded fact. Is this theory, generally accepted to be true, based on evidence to-date? Yes. Can this theory be shown to be false and be discarded? Yes.
Law
A scientific law generalizes a body of observations. At the time it's made, no exceptions have been found to a law. Scientific laws explain things but they do not describe them. One way to tell a law and a theory apart is to ask if the description gives you the means to explain "why." The word "law" is used less and less in science, as many laws are only true under limited circumstances.
Example: Consider Newton's Law of Gravity. Newton could use this law to predict the behavior of a dropped object but he couldn't explain why it happened.
As you can see, there is no "proof" or absolute "truth" in science. The closest we get are facts, which are indisputable observations. Note, however, if you define proof as arriving at a logical conclusion, based on the evidence, then there is "proof" in science. Some work under the definition that to prove something implies it can never be wrong, which is different. If you're asked to define the terms hypothesis, theory, and law, keep in mind the definitions of proof and of these words can vary slightly depending on the scientific discipline. What's important is to realize they don't all mean the same thing and cannot be used interchangeably.
eh- hope you understand now..
Answer:
A theory is a group of related hypotheses that can be accepted as true based on repeated investigations with similar results. A law is a scientific concept that explains what patterns of behavior will be seen through repeated investigations.
What are three matrices in which organisms may become fossilized?
Answer:
Ice, Amber, and Tar
Explanation:
The three matrices in which organisms may become fossilized are sandstone
, shale and limestone matrix.
These matrices are factors which determine if organisms may become
fossilized. The sandstone matrix involves organisms being embedded in
sand grains which may later form fossils.
The limestone and shale matrix involves the organisms being embedded in
carbonate mud and presence of gas such as methane respectively.
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what is the primary purpose of the chromosomes in a cells nucleus?
Answer:
They are made of protein and one molecule of deoxyribonucleic acid (DNA). As the genetic material passes from parents to child, the chromosomes are responsible for containing the instructions that make the offspring unique while still carrying traits from the parent.
The primary function of chromosomes lies in the fact that; DNA is tightly packaged within them.
Discussion:
Chromosomes are thread-like biological structures within which DNA is tightly packaged in the nucleus.
Chromosomes help ensure that DNA is replicated and distributed appropriately during cell division.
Each chromosome has a centromere, which divides the chromosome into two portions.
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According To the fossil record which of these evolved after amphibians
What can explain the presence of a rock layer with no fossils between rock layers with different types of fossils?
Answer:
The environments in which one rock layer forms and an adjacent later layer forms may be very different from one another. Climates change, sea level rise causes inundation of formerly dry ground, and areas that were once were wet and warm later become dry, or freezing cold, or blazing hot.
Explanation: happy to help you 6th graders :)
environmental change can cause common trait in a population to change over time through the process of ____?
Answer:
the answer is evolution i believe
Explanation:
please help me as soon as possible
What is the relationship between natural selection and adaptations?
Question 1 options:
Adaptations and natural selection are separate processes and not related
Natural selection occurs as a result of adaptations within a population
Natural selection is the process leading up to adaptations in a population
Natural selection and adaptations are actually the same thing
The relationship between natural selection and adaptations is natural selection is the process leading up to adaptations in a population.
What do you mean by natural selection and adaptations?The mechanism that makes it more likely that future generations will have advantageous traits is known as natural selection. The trait that adapts to the environment is called adaptation.
The possibility of regular choice is that characteristics that can be passed down permit creatures to adjust to the climate better than different organic entities of similar species.
Many finches perished because their smaller beaks were unable to crack the tough seeds. Through the course of regular determination, the birds that had the option to adjust replicated and flourished, while the others dwindled in number.
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What is small a cell or an atom?
Answer:
Atoms or smaller than a cell
Explanation:
cells are bigger than atoms
Atom is a basic unit of things in the universe. Atoms consists of subatomic particles such as electron, proton and neutron. Hydrogen Atom, the smallest of all have a diameter of approximately 1.06 10^-10 m Cell is a basic unit of life.
which process moves water molecules across the membrane of the cell?
what is Chromatid?
what is genome?
Answer:
Chromatids are the two different halves that compose the chromosome and contain the information that will later be translated into your genome.
Genome is all of the hereditary information that a human being carried.
What best explains the graph shown below?
A. Temperature are dropping because greenhouse gasses are high and increasing
B. Temperatures are dropping because greenhouse gasses are high and constant
C. Temperatures are dropping because greenhouse gases are low and constant
D. Temperatures are dropping because greenhouse gasses are low and decreasing
Answer:
The answer is C
C. Temperatures are dropping because greenhouse gases are low and constant
Explanation:
I took the test and got it correct
C. Temperatures are dropping because greenhouse gases are low and constant.
Temperatures drops due to lowering constantly of greenhouse gases in the atmosphere. Greenhouse gases has the ability of trapping solar radiation after reflecting the earth surface. This trapping increases the temperature of the surrounding environment so if the temperature decreases it is due to lowering of greenhouse gases so we can conclude that temperatures are dropping due to lowering of greenhouse gases.
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Why does a population that experiences exponential growth have a high chance of having a population crash?
Please help I need to turn in my work By the end of the day
Answer:
The resources (food and water) needed for a species to survive may not be being produced at the same rate the population is growing. This could lead to starvation and death in the form of a population crash. Example: too many coyotes being born when there is not enough rabbits for them to eat.
32 POINTS! During the Industrial Revolution, explain what caused the population of light-colored peppered moths to decrease and the population of dark-colored peppered moths to increase over time. Be sure to include how the ability to survive and reproduce impacts the process of natural selection.
Answer:
Ive done this before light colored pepered moths decreased over time because the forest turned to a darker color so in natural selection it turned dark and the made it live longer
Explanation:
Describe how the African Rift Valley formed. Make sure to include the type of plate boundary and the type of crust that is interacting
Answer:
Geologists know that the Rift Valley was formed by violent subterranean forces that tore apart the earth's crust. These forces caused huge chunks of the crust to sink between parallel fault lines and force up molten rock in volcanic eruptions.
Explanation:
Great Rift Valley - COTFwww.cotf.edu › ete › modules › rift › rvwhatisriftvalley
as part of the cell cycle a cell produces new daughter cells that are identical to the original cell. during which phase are the two daughter cells physically separated
Answer:
Cytokinesis is a phase in which two daughter cells are separated from one another.
Explanation:
Cytokinesis is a phase in which cytoplasm of the cell is divided into two equal parts after the cell division i. e. mitosis or meiosis. Cytoplasm is a main part of the cell which contains different organelles of the cell such as mitochondria, ribosome, endoplasmic reticulum, golgi bodies, lysosomes and vacuole etc. It also contains nutrients, enzymes and water in large amount.
Final answer:
The two daughter cells are physically separated during cytokinesis, which is the final step of the mitotic phase of the cell cycle.
Explanation:
During which phase are the two daughter cells physically separated? This occurs in the mitotic phase of the cell cycle. Specifically, the physical separation of the two new daughter cells is completed during cytokinesis. First, mitosis divides the duplicated DNA into two sets and distributes them into separate nuclei. Following this, cytokinesis divides the cytoplasm, resulting in two new cells that are genetically identical to the original cell. It's important to note that while mitosis (karyokinesis) occurs in the mitotic phase, cytokinesis can sometimes take place independently, leading to cells with multiple nuclei (multinucleate cells) when cytokinesis does not occur.
An exotic pet distributor finds out there are people who would love to own 1 point
a small elephant as a pet. He contacts all of the zoos in the world and finds
a group of elephants that are naturally smaller than average. The pet
distributor breedls the smallest of the elephants, and then chooses the
smallest babies to breed, and again chooses the smallest of their offspring,
until after many generations he has a bred of dog-sized elephants - which
he now sells for $100.000 per animal. This is an example of...
Answer:
Selective Breeding
Explanation:
Selective breeding is a process where to get the best result, you breed the best children. By breeding the smallest babies together again and again slowly the children will become smaller and smaller as the parents get smaller and smaller
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The process described in the question is selective breeding, used to create dog-sized elephants for the exotic pet trade. While it might fulfill certain human desires for unique pets, this practice raises significant ethical, health, and biodiversity concerns.
Explanation:The scenario described involves a process known as selective breeding or artificial selection, where certain traits, in this case, smaller size, are chosen to be passed on to future generations. This methodology has been used in creating various miniaturized pet breeds such as "teacup" dogs, which are known for being small enough to fit in a pocket. However, the process of achieving extreme miniaturization comes with a myriad of health risks, including but not limited to collapsing tracheas, heart defects, and dental problems. The case of breeding dog-sized elephants for the exotic pet trade raises ethical concerns, not only due to the health issues associated with selective breeding but also because of the impact on biodiversity and the implications of wild animal trade.
Exotic pets, especially those taken from wild populations, contribute to biodiversity loss and can be at high risk of extinction, which is magnified by the demand in the pet trade.
How fast are the plates still moving today?
A. 1 inch/year
B. 5 feet/year
C. 5 inches/year
D. 5 miles/year
Please answer I will mark brainliest!!!
Answer:
A
Explanation:
The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart; and transform, where plates move sideways in relation to each other. They move at a rate of one to two inches (three to five centimeters) per year.
What might be one limitation of using a greenhouse as a model to represent a large farm?
A greenhouse is a controlled environment, and a large farm is not.
A greenhouse is not exposed to the same weather patterns as a large farm.
A greenhouse has a water system that can be controlled by the farmer
A greenhouse has more pests than a large farm.
Answer:
A greenhouse is a controlled environment, and a large farm is not.
A greenhouse is not exposed to the same weather patterns as a large farm.
Answer:
B.
Explanation:
Just took the test.
This is for future students that are seeking the answer for this question as you asked this question 3 weeks ago.
A geologist is studying a massive rock outcrop. The texture of the rock is coarse-grained with large round grains. The geologist determines that the rock probably formed when lava cooled on Earth’s surface.
What type of rock has the geologist identified?
Answer: Igneous Rocks
Explanation:
Igneous rocks are those that solidify from a molten or partially molten state. These rocks are characterized as either extrusive or intrusive.
Answer:A
Explanation:
Ingeous
Where are the chemicals secreted by the endocrine glands released into?
Answer:
directly in to the blood.
Explanation:
Answer:
they are directly released to the blood.
Explanation:
as endocrine secret hormones known as chemical messenger so they are directly mixed with blood .furthermore they also lack duct.
Question
Warm-Up
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What changes occur to your breathing and heart rate during exercise? Why do you think these changes occur?
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Answer:
When you exercise, no matter how intense, your heart rate goes up, and because of this, you breathe more. The body needs oxygen so you breathe more as the heart pumps the oxygen carrying cells throughout your body.
Answer:
The heart beats faster and breathing gets heavier during exercise. These changes occur because the body needs more oxygen to exercise, and the heart needs to pump this oxygen to the body parts that need it.
Explanation: