Answers
Taking pictures is an example of gathering evidence. So option C is correct.
How is evidence gathered for a criminal case?Physical evidence can be physically held and examined by the court or jury. Demonstrative Evidence – Charts, Diagrams, or Maps – can be used to support or corroborate the witness’s testimony. This evidence may include the reconstruction of the crime scene and its use in court.
The investigators gather the evidence by taking pictures or by documenting the scene. They collect trace materials. Collection techniques such as scrapping, clipping, picking, lifting, etc are used to collect the trace evidence. They may also collect DNA samples or other objects that may contain some biological evidence.
There are four types of evidence that can be presented in a court. These are real, demonstrative, documentary, and testimonial.
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Related Questions
What I know about exercise to the lungs
Answers
Answer:
Relax your shoulders and sit back or lie down.
Place one hand on your belly and one on your chest.
Inhale through your nose for two seconds, feeling the air move into your abdomen and feeling your stomach move out. ...
Breathe out for two seconds through pursed lips while pressing on your abdomen.
Explanation:
Answer:
Exercise improves your lung capacity. Exercise increases the blood flow to your lungs, allowing the lungs to deliver more oxygen into the blood.
Explanation:
Both aerobic activities and muscle-strengthening activities can benefit your lungs. Aerobic activities like walking, running or jumping rope give your heart and lungs the kind of workout they need to function efficiently.
Describe the difference between vitreous humor and aqueous humor.
Answers
Answer:
Vitreous humor does not replenish while aqueous humor does.
Explanation:
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:
Genome is to individual, as _____________ is to population:
A. genotype B. phenotype C. gene pool D. heredity E. ecosystem
Answers
I think it might be C, as the genome is specific to an individual, so the gene pool is that for the population, I suppose.
Insulin and glucagon release from the pancreas is a vital part of the negative feedback loop that regulates blood glucose levels. Let's review how insulin and glucagon release change in response to plasma glucose levels and how that helps keep plasma glucose constant.
Drag the labels onto the figure to create a flow chart of how insulin and glucagon release change in different circumstances to keep blood glucose within a normal range.
Answers
Insulin and glucagon work in what's known as a negative criticism circle. During this interaction, one occasion sets off another, which sets off another, etc, to keep your glucose levels adjusted.
The control of glucose (glucose) by insulin is a genuine illustration of a negative criticism instrument. At the point when glucose rises, receptors in the body sense a change. Thusly, the control community (pancreas) secretes insulin into the blood successfully bringing down glucose levels.
In this manner, insulin and glucagon activities on blood glucose levels intercede two negative criticism circles in which insulin goes about as a repressor, while glucagon as an activator. Disappointment of beta cells to discharge insulin in diabetic patients brings about uncontrolled vacillations in blood glucose levels.
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The populations of predators and prey tend to stabilize over time. What will
most likely happen if the population of a prey species decreases?
OA. The prey population will increase quickly.
OB. The predator population will increase.
OC. The predator population will maintain its original size.
OD. The predator population will decrease.
SUBMIT
Answers
Answer:
D. The predator population will decrease.
Explanation:
If there is less prey, the food source for predators decreases therefore shortening the lifespan of some predators.
which statement best decribes the scientific process
Answers
Answer:
scientific method: A method of discovering knowledge about the natural world based on making falsifiable predictions (hypotheses)
Explanation:
Opinion ko lng yan hahaha
Adding salt ( variable) causes the boiling temperature of the water ( variable) to increase.
Answers
Answer:
When salt is added, it makes it harder for the water molecules to escape from the pot and enter the gas phase, which happens when water boils
Explanation:
Answer:
Salt (Independent)
Water (Dependent)
Explanation:
The water depends on the salt.
Pick which symbols will represent each phenotype (brown fish, speckled, transparent).
Genotype
Pedigree symbol
Answers
The symbols representing each phenotype in the given genotype for a pedigree can be chosen as follows:
- Brown fish: B
- Speckled fish: S
- Transparent fish: T
1. Determine the genotypes associated with each phenotype.
- Brown fish: BB or Bb
- Speckled fish: SS or Ss
- Transparent fish: TT
2. Assign symbols to represent each phenotype.
- Choose a symbol to represent the brown fish phenotype, such as B.
- Choose a symbol to represent the speckled fish phenotype, such as S.
- Choose a symbol to represent the transparent fish phenotype, such as T.
3. Associate the symbols with the corresponding genotypes.
- Brown fish: BB or Bb (represented by the symbol B)
- Speckled fish: SS or Ss (represented by the symbol S)
- Transparent fish: TT (represented by the symbol T)
By assigning distinct symbols to each phenotype, it becomes easier to represent and analyze the genotypes in a pedigree. This allows for clear communication and understanding of the inherited traits within a family tree.
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Which eukaryotic organelle was thought that have evolved from symbiotic bacteria? Describe how this event took place.
Answers
Answer:
The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.
1. What are the necessary components required to start the transcription of a
gene? What needs to be added in order to create a protein?
2. How does the length of the transcribed region impact the length of the gene
(DNA)?
3. You accidentally produce a gene (strand of DNA) after you have filled up all
five of your protein shapes? How would you eliminate this DNA?
4. Where does the negative transcription factor work?
5. Why are there more than one positive transcription factors on each of the
three genes?
Answers
Answer:
Explanation:
1) The necessary components required to start the transcription of a gene include the DNA template strand, RNA polymerase, and a promoter region. The promoter region is a specific sequence of DNA that signals the start site of transcription and determines where RNA polymerase will bind to the DNA. In addition, transcription factors (both positive and negative) can also be involved in the initiation of transcription by binding to the promoter region and influencing the activity of RNA polymerase.
To create a protein, the transcribed RNA molecule must undergo post-transcriptional modifications such as splicing, capping, and polyadenylation. This processed RNA is called messenger RNA (mRNA) and can be translated into a protein by ribosomes in a process called translation.
1) The length of the transcribed region of a gene (the region that is transcribed into RNA) can impact the length of the gene, as the length of the transcribed region determines the length of the resulting mRNA molecule. If a portion of the gene is not transcribed, then it will not be included in the mRNA and will not contribute to the final protein. However, the length of the gene itself does not directly impact the length of the transcribed region or the resulting mRNA.
2) If you accidentally produce a gene (strand of DNA) after filling up all five of your protein shapes, you could eliminate this DNA through degradation. Enzymes called nucleases can degrade the excess DNA and remove it from the cell. In some cases, cells may also use processes such as programmed cell death (apoptosis) to remove cells that contain abnormal or excess DNA.
3) Negative transcription factors work by inhibiting the activity of RNA polymerase and preventing the transcription of a gene. They can bind to the promoter region or to specific sequences within the gene itself, blocking the binding of RNA polymerase and suppressing transcription.
4) There are more than one positive transcription factors on each of the three genes because different genes may be regulated by different sets of transcription factors. Positive transcription factors can increase the rate of transcription by binding to specific sequences within the promoter region and enhancing the binding and activity of RNA polymerase. Having multiple positive transcription factors on a gene allows for more complex and nuanced regulation of gene expression, as different factors may have different binding specificity and responsiveness to different stimuli.
What is happening in these images?
Answers
Fossils of organisms that are different than today's organisms and are found in deeper rock layers indicates that
A.
evolution has occurred
B.
organisms must have changed over time
C.
evolution occurred faster in the past
D.
Both A and B
Answers
Explanation:
Definition: All the individuals of a species that live together in one place at the same time
Example: this of humans in the United States in 2005 is around 275,000,000
Term: po
Interdep
Hint
Answers
Answer:
population
Explanation:
12. What is true of a chemical change?
A.
C.
They do not create new substances
It cannot be seen on the molecular
level
B.
It cannot be smelled
D.
The do create new substances
Answers
Answer:
D
Explanation:
many chemical changes can be smelled, or heard, etc. And can be seen on a molecular level. Chemical changes create new substances:
Na + Cl = NaCl
The portion of the membrane system in eukaryotic cells that is responsible for the making lipids and breaking down toxic substances in the
Answers
Answer:
The endoplasmic reticulum
Explanation:
Name the three common states of matter on earth.
Which states of matter have a set shape? Explain why this is, based on the animations you observed for the different states of matter.
Which states of matter have a set volume? Explain why this is, based on the animations you observed for the different states of matter.
The boiling point is the temperature at which a liquid substance will turn to vapor, and also the temperature at which vapor will condense to a liquid. The boiling point of ethanol is about 80°C, and the boiling point of water is about 100°C.
What can you conclude about the intermolecular forces in water and ethanol?
Do you predict water freezes at a higher temperature or at a lower temperature than ethanol?
Recall how different Van der Waals attractions and how ionic charges changed the movement of atoms in the animation. Do you think that Van der Waals attractions or ionic charges are stronger? Why?
1. solid, liquid and gas
2.Solid can move but gas and liquid is more flexible than solid. Solid has a fixed volume while liquid and gas takes the volume of its container. Solid stays in one place while gas and liquid is flexible.
3.Among the 3 state, solid has a fixed volume while liquid takes the volume of its container. When gas is compressed, it takes the volume of its container likewise.
Answers
the answer is solid, liquid and gas
Answer:
1. Liquid, Solid, Gas
2. Solid has a set shape. Solid can move but gas and liquid is more flexible than solid.
3. Solid has a fixed volume while liquid and gas takes the volume of its container. Solid stays in one place while gas and liquid are flexible.
4. A. The stronger the intermolecular forces in a liquid the higher the boiling point. Therefore, water has a stronger intermolecular force than ethanol.
B. Water molecules are more attracted to each other than ethanol (alcohol) molecules, because water has more hydrogen atoms bonded to oxygen. ... So, that's why alcohol has a much lower freezing point
5. Ionic charges are stronger.
Covalent bonds are known to have the strongest and most stable bonds since they go deep and into the inter-molecular state. A diamond is an example of a compound with this characteristic bond.
Ionic bonds are the next strongest molecular bond following covalent bonds. This is due to the protons and electrons causing an electro-static force which results to the strong bonds. An example would be Sodium Chloride (NaCl), which when separated is Na⁺ and Cl⁻.
Van der Waals forces, also known as Dispersion forces, are the weakest type of molecular bonds. They are only formed through residual molecular attractions when molecules pass by each other. It doesn't even last long due to the uneven electron dispersion. It can be made stronger by adding more electrons in the molecule. This kind of molecular bonds appear in non-polar molecules such as carbon dioxide.
Explanation:
These are the answers based on the reading material provided by James Madison High School
Ostriches have wings but do not fly humans have an appendix with no apparent function whales contain bones for rear legs each of these are examples of
Answers
Answer:
vestigial structures
Ostriches have wings but do not fly, and humans have an appendix with no apparent function, whales have bones for their back legs, which are examples of vestigial structures because they were once functional but are no longer.
What is the importance of the vestigial organs in animals?Vestigial organs have lost much or all of their ancestral function in the evolution process, for example, ostriches have wings that have lost the ability to fly and are now used for balance and courtship displays. The human appendix is another vestigial organ that once had digestive function but no longer does.
Hence, ostriches have wings but do not fly, and humans have an appendix with no apparent function, whales have bones for their back legs, which are examples of vestigial structures because they were once functional but are no longer.
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Why are biofuels derived from plants?
Answers
Answer:
Biofuels are renewable fuels that are produced from biomass, organisms that were formed and stopped living a short time ago. The energy in the biofuels is called bioenergy. The major constituents of biomass are cellulose, lignin, starch and sugar, but many plants also contain other organic compounds that are beneficial for energy recovery from the material due to their physical structure and chemical composition. The difference between biofuels and fossil fuels is that fossil fuels take millions of years for new formation while new biomass for biofuels is constantly being formed. This means that biofuels can usually be considered carbon neutral as the carbon dioxide emitted during combustion is constantly bound to new biomass in a closed cycle.
HELPPPPPP!! Which of the following horticultural careers might be open to someone who enjoyed working with beautiful plants, but who was not interested in either growing plants or obtaining a higher educational level than a certificate?
botanist
floral designer
extension specialist
floriculturist
Answers
The horticultural career that might be open to someone who enjoys working with beautiful plants but is not interested in growing plants or obtaining a higher educational level than a certificate is "floral designer."
What is the career?Florists, usually referred to as floral designers, use plants and flowers to create aesthetically beautiful arrangements for a variety of celebrations and events. For the creation of visually appealing flower displays, they draw on their imagination, expertise in various plant species, and creative abilities. Florists can create their own businesses, work for florists or event planners, or both.
While professional training or a certificate in floral design might be useful, entry-level roles may not necessarily require them.
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The ________ provides structure and support to the cell.
lysosome
vacuole
mitochondria
cytoplasm
cytoskeleton
Answers
Answer:
cytoskeleton.
gray seed color in peas is dominant to white. assume that mendel conducted a series of experiments where plants with gray seeds were crossed among themselves, and the following progeny were produced: 302 gray and 98 white. (a) what is the most probable genotype of each parent? (b) based on your answer in (a) above, what genotypic and phenotypic ratios are expected in the progeny? (assume the following symbols: g
Answers
The theory of genetics, first proposed by Gregor Mendel in the 19th century, states that certain characteristics in plants and animals are determined by the combination of two alleles, one from each parent.
In his experiments with peas, Mendel discovered that the gray seed color was dominant to the white color. This means that when two plants with different alleles for the seed color trait were crossed, the resulting offspring would typically have the characteristic of the dominant allele.
(a) The most probable genotype of each parent is GG and Gg. This is because the parent plants with gray seeds are homozygous dominant (GG) and heterozygous (Gg).
(b) If the two parent plants are GG and Gg, the expected genotypic ratio in the progeny will be 1 GG: 2 Gg: 1 ww. The expected phenotypic ratio will be 3 gray: 1 white. This is because the dominant gray allele (G) is more likely to be expressed in the progeny than the recessive white allele (w). Therefore, the progeny of this cross will have a higher proportion of gray seeds than white seeds.
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Why does natural selection occur more when there is competition for resources?
Answers
Natural selection occurs more prominently when there is competition for resources because competition creates selective pressures that drive adaptations and favor certain traits over others.
In any given environment, resources necessary for survival and reproduction, such as food, water, and shelter, are limited. As a result, individuals within a population must compete with one another to obtain these resources.
Competition leads to differential survival and reproductive success among individuals.
Those individuals with advantageous traits or variations that enable them to more effectively acquire and utilize resources have a higher likelihood of survival and producing offspring.
These advantageous traits can be physical characteristics, physiological adaptations, or behavioral strategies that provide a competitive edge.
Through natural selection, individuals possessing beneficial traits are more likely to pass on their genes to the next generation, while individuals with less favorable traits are at a disadvantage.
Over time, this process results in the accumulation of beneficial traits within the population, enhancing their overall fitness and adaptation to the specific environment.
Therefore, competition for resources acts as a driving force for natural selection by selecting for traits that enhance an individual's ability to secure limited resources, survive, and reproduce successfully.
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2.
22. A student wants to test the effect of temperature on relative enzyme activity. The table below shows
.
data from this experiment.
Temperature (*)
30
40
50
60
70
80
90
100
Relative Enzyme Activity (%)
After 10 minutes After 20 minutes
17
20
34
40
42
50
71
75
85
95
34
44
13
18
9
10
After 30 minutes
19
38
48
73
90
40
15
9
I
What are the independent and dependent variables in this experiment?
A. Independent-relative enzyme activity:
dependent--number of minutes
B. independent--number of minutes;
dependent--relative enzyme activity
C. Independent-relative enzyme activity:
dependent--temperature
D. Independent-temperature;
dependent-relative enzyme activity
Answers
Answer:
Explanation:
70
80
90
100
Relative Enzyme Activity (%)
After 10 minutes After 20
What can help a scientist identify any object in a group of objects? O the object's size the object's colors O the object's characteristics O the object's shape Mark this and return Save and Exit Next Subinit
Answers
Answer:
c
Explanation:
took the test
Answer:
C(the object's characteristics)
Explanation:
one ultimate destination of a protein produced on an attached ribosomes, and one general function of the protein (you do not need to identify the specific protein.)
Answers
A protein made on a free ribosome has the cytosol as one of its final destinations, and one of its general functions is to form microfilaments. Proteins created on ribosomes that are connected are sent to the ER.
Whereas those produced on ribosomes that are free are delivered to the cytosol. To establish the protein's final position, signal sequences inside the protein will interact with recognition proteins at the mitochondrion. A mitochondrial protein's specific array of signal sequences will dictate whether it ends up in the outer membrane, intermembrane gap, inner membrane, or matrix. The ER membrane is connected to ribosome generating the protein.
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the process of liquid changing to a gas at the surface of the liguid is called?
Answers
Answer:
"evaporation."
Explanation:
24) A student wanted to know which type of sugar would yield the greatest amount of energy for the cell when metabolized during cellular respiration by the mitochondria. The student mixed yeasts in three different sugar solutions: maltose, glucose, and sucrose. The three sets of yeasts were monitored to determine which sugar type yielded the most energy. What is the independent variable in this experiment?
Answers
The independent variable are the different types of sugar solutions: maltose, glucose, and sucrose.
What are variables in an experiment?A variable is any factor in an experiment that can be manipulated, controlled for, or measured.
There are three types of variables in an experiment:
Dependent variableIndependent variableConstant variableAn independent variable is the variable that stands alone and is not affected by other factors in the experiment. Changes in this variable results in changes in the dependent variable.
In the given experiment, the independent variable are the different types of sugars.
In conclusion, changes done to the independent variable results in changes in the dependent variable.
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a) Look back at your hypothesis from question 2. Could this hypothesis become a theory if
you repeated your experiment 100 different times and got the same results? Can a theory be
I
created by just one person? (2 points)
Answers
A theory can be created by just one person, but it requires extensive research, experimentation, and peer review to become widely accepted. A theory is a well-established explanation that has been repeatedly confirmed through observation and experimentation, and it must be supported by a large body of evidence. Therefore, a theory cannot be created by just one person without extensive research and experimentation, and without undergoing peer review to ensure its validity.
Compounds pure substances made of two or more types of
and are
A compound has the same composition throughout, which is called
Compounds be separated by physical means. Separating a
compound requires a chemical reaction.
The properties of a compound are usually than the properties
of the elements it contains.
Answers
Compounds exist as pure substances created of two or more kinds of atoms bound together. Compounds can even be broken down into easier substances.
What is meant by compound?A compound is a substance created by the chemical fusion of two or more elements. Covalent bonds and ionic bonds are two typical forms of bonds that hold components in a compound together. Any compound will always include each ingredient in a specific ratio.
A compound is a pure material that is created when two or more components are chemically mixed in a specific (or constant) mass proportion (or weight). when at least two elements combine chemically to create a compound, a new substance.
Pure substances known as compounds are created by joining two or more different types of atoms. Additionally, compounds can be divided into more basic components.
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