Answer:
B. Trace Evidence
Explanation:
Trace evidence is like fiber or hair or gunshot residue to it would be B. Trace evidence
The physical evidence and trace evidence are both reviewed under microscopy. Therefore, option A and option B are correct statements.
What is microscopy?Microscopy is a technique to review the smaller size object at high magnification. Forensic science uses the physical or trace evidence found at the crime scene to review under microscopy.
Physical evidence refers to the tangible objects found at the crime scene, such as murder weapons or tool marks. On the other hand, trace evidence refers to the small or even microscopic pieces of evidence left at the crime scene, such as hair, or DNA.
Using the microscopy technique, the forensic team can determine the source of the murder weapon used at the crime scene or even link the suspect to the death of the victim. However, other types of evidence that do not come under microscopy, such as testimonial evidence or circumstantial evidence are also used to build a strong case against the suspect.
Therefore, the physical evidence and the trace evidence both are reviewed under microscopy.
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Part B: Evaluating Results
Question 1
Explain why your model demonstrates how crossing over is important to genetic variation in a species
Answer:
Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the centromere are no longer identical.
Explanation:
pick the a.b.c below.
a. 8 grass/m2
b. 16 grass/m2
c. 24 grass/m2
d. 32 grass/m2
Answer:
16grass/m²
Explanation:
Given parameters:
Number of grasses in quadrat = 4
Area of the square = 0.25m²
Unknown:
Population density = ?
Solution:
Population density is the number of organisms per given area;
Population density = [tex]\frac{number of grasses}{area of quadrat}[/tex]
Population density = [tex]\frac{4}{0.25}[/tex] = 16grass/m²
Michael was watching the rain hit the sidewalk in front of his house. After a few minutes, he noticed a change in the precipitation and saw that the
precipitation had changed into ice pellets
The falling ice pellets later changed back to rain, and then the rain stopped and the sun came out. Relate each stage of the water to cycle to the way
it affects the weather.
Answer: Water cycle is a complex cycle of water in which the water is changed into various forms like solid, liquid, and gases.
Explanation:
In the higher atmosphere the water vapors condense to form clouds and they club to form the ice crystals. These ice crystals when strikes on the ground as precipitate or ice pellets again changes its form from solid to liquid rain. The precipitation can be in the form of rain or wet snow. The rain stops when the concentration of water vapors in the higher atmosphere reduces and sun may come out.
The water cycle is a complex cycle of water in which the water is changed into various forms like solid, liquid, and gases.
Define the water cycle?The water cycle illustrates the continuous action of water within the Earth and atmosphere. It is a complicated system that has many different processes.
Liquid water evaporates into water vapour, condenses to form clouds, and precipitates back to earth in the form of rain and snow.
Thus, water is changed into various forms like solid, liquid, and gases.
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The picture below shows a mixture that was stirred 3 minutes ago.
A beaker shows a layer of brown liquid at the bottom to the first measuring mark, and a layer of light blue liquid above that to the third measuring mark.
What should this mixture be classified as?
colloid
compound
solution
suspension
Answer:
D. Suspension!
Explanation:
It's denser than the other fluid! Hope this helps! :D
Answer:
D. suspension
Explanation:
. Cuando la célula madre se divide varias veces de forma consecutiva y los núcleos se rodean del citoplasma dentro de ella, es una reproducción tipo:
Answer:
Cuando la célula madre se divide varias veces de forma consecutiva y los núcleos se rodean del citoplasma dentro de ella, es una reproducción tipo: esporulación.
Explanation:
En la reproducción asexual, un solo ser origina nuevos individuos iguales entre si e iguales a su progenitor. Este tipo de reproducción es común en ciertos invertebrados, en las bacterias y en los protozoarios. La esporulación es uno de los tipos de reproducción asexual, esta consiste en varias divisiones del núcleo que se envuelve de fragmentos citoplasmáticos, originando muchos descendientes genéricamente idénticos. Dicha reproducción permite la formación de esporas y la liberación de las mismas cuando las paredes de la célula se rompen. Se observa en ciertas especies de protozoarios.
Please Help me as soon as possible.
In camellia plants, flower color is controlled by a single gene with codominant alleles. A camellia plants with red flowers (RR) is crossed with a camellia plant with white flowers (WW). What are the expected phenotypes of the offspring of this cross?
A.
All will have red flowers.
B.
Half will have red flowers and half will have white flowers.
C.
All will have both red and white flowers.
D.
All will have pink flowers.
Answer:
The answer is; c
It is important to distinguish between codominance and incomplete dominance.
In incomplete dominance, the two alleles blend with each other in phenotype giving offspring with intermediate phenotypes, hence offspring would produce pink flowers, in this case.
In codominance, both alleles are simultaneously expressed in phenotype in the offspring. Therefore flowers, in this case, would exhibit both red and white colors.
Explanation:
Some one please help me with this
What is relative humidity
Answer:
Explanation:
The ratio of the actual amount of water vapor present in a volume of air at a given temperature to the maximum amount that the air could hold at that temperature, expressed as a percentage.
Which molecule has the most energy?
a. carbon dioxide
b. ATP
C. oxygen
d. glucose
Answer:
D glucose
Explanation:
the original molecule at the beginning of the pathway would have the highest amount of free energy.
A single covalent bond exists when two atoms share ………………pair(s) of
valence electrons
Plants such as the Venus Flytrap and the Sun Dew attract and consume insects. These plants are unable to produce substances which break down the insect into compounds that are usable by the plant. The chemical compound that breaks down the insects is most likely * O ATP O Lipids O Enzymes O Vitamins
Answer:
The chemical compound that breaks down the insects is most likely enzymes.
Explanation:
Venus flytraps and sundews are carnivorous- they consume insects to absorb nutrients via digestion. During absorption, their cells take up molecules synthesized via the breakdown of macromolecules like carbohydrates and proteins. When regions of the plant come into contact with insects, these plants recognize specific macromolecules like chitin, they increase the production of digestive enzymes.
Forming digestive liquid enzymes are specialized proteins that function as biological catalysts to speed up reactions. They act on substrates, which can bind to specific regions of the enzyme, called the active site. Once bound in the presence of highly specific temperature and pH, enzymes increase the rate of a reaction over time.
Common enzymes found in their digestive secretions include chitinases, phosphatases, amylases, and proteinases.
Using the diagram below, how many electrons will Be have if it is a neutral atom?
What happens to the matter? How does it transform? What
are the inputs and outputs?
matter is neither created nor destroyed it only transforms
Luis created a clay model of Earth. He used a toothpick to represent Earth's axis. The toothpick was stuck horizontally through the center of the Earth model, slightly to the side of each pole. He then used a flashlight to shine light on part of the Earth. Finally, he used the toothpick to spin the model Earth. What do you think Luis is trying to model?
Earth's revolution
Earth's rotation
Earth's day and night
Earth's seasons
Answer: Earth's rotation
Explanation:
Luis was most trying to model the Earth's rotation. As you know the earth rotates around it's axis once every 24 hours and this is why we have different times in the day because the sun shines on different parts of the Earth as it rotates.
Luis used the flashlight as the sun and when he used the toothpick to spin the model of earth, the model would represent earth rotating around its axis.
Answer:I think it’s earths day and night
Explanation: it says that he is flashing a light to one side of earth so I think he’s trying to show the day and night cycle
if an atom contains 5 protons, 4 neutrons, and 3 electrons. its atomic mass is
Answer: 9
Explanation:
atomic mass= protons + neutrons
5+4 =9
Which ideas did not lead to lower amounts of waste
A. The extension of a products life time
B. The elimination of unnecessary packaging
C. Flexible construction for simple repair
D. Built in obsolescence
E. The introduction of new design technology
Answer:
I believe C
Explanation:
Answer:
C. Flexible construction for lower amounts of waste
Explanation:
This is not reducing the waste produced
What is the small molecule ?
Answer:
Within the fields of molecular biology and pharmacology, a small molecule is a low molecular weight organic compound that may regulate a biological process, with a size on the order of 1 nm. Many drugs are small molecules.
Explanation:
Make sure to edit
In which animal, respiration takes olace through lungs and locomotion by flippers? Answer in one word.
Answer:
Fish
Explanation:
PLEASE HELP ‼️
How do organisms survive if the cells they are made of continually die?
Answer:
nope.................................
Help please ASAP thanks
Answer:
B the fluids
Explanation:
- The primary job of the mRNA molecule is to: *
Bring amino acids to the ribosome
Transcribe a message from a DNA molecule
Translate the codons into a protein
Answer:
transcribe a message from a DNA molecule
Explanation:
Write the complimentary base pairs for the following DNA strands:
Original: ATC GCC CAT GTG CCA
Comp:
Original: TGA CAA CGA GGT ACT
Comp:
Original: AAA CCC TTT GGG ACG
Comp:
this is all from a crossword puzzle Across
7. Organisms which make their own chemical energy.
8. Long whip-like tail, used for locomotion.
9. Organisms which need oxygen to survive
10. Attachment points for bacteria
12. Small organelles involved in making proteins.
13. Name for true, modern bacteria.
14. Name for "squiggly" shaped bacteria.
15. Small circular segment of DNA. Often exchanged
between bacteria.
16. Photosynthetic bacteria containing chlorophyll a &
b.
Down
1. Organisms which obtain energy by consuming organic
material.
2. Structures which bacteria form to endure adverse
situations.
3. Name for all contents of a cell, except for nucleus.
4. Ancient bacteria often found in harsh environments
5. Name for rod-shaped bacteria.
6. Name for round shaped bacteria.
7. Organisms which do not require oxygen to survive.
11. The act of two bacteria joining and exchanging DNA.
Answer:
7.autotrophs
8flagella
9.aerobe
10.pilus
12ribosomes
13 Eubacteria
14Spirillia
15Plasmid
16 photoautotrophic
1.heterotrophs
2endospores
3 cytoplasm'
4archeabacteria
5bacilli
6cocci
7anaerobec
11 conjugation
Explanation:
⚠️40 POINTS!!⚠️
As part of an adventure challenge, you find yourself dropped into a unknown place. There are birds and wolves. The air is
cold, and the ground is very hard. What biome have you landed in?
Answer: The Arctic Tundra.
Food we eat has not been modified through selective breeding.
a) True
b) False
*No wrong answers please.*
Answer: True.
Quizlet is a very good resource to use for problems like this.
Food we eat has not been modified through selective breeding. This statement is true.
What is selective breeding?Selective breeding is the process where individual organisms with certain desirable traits are selectively bred for the purpose of propagating that particular trait.
Selective breeding is applied in agriculture for the purposes of rearing or cultivating high yielding breeds of farm animals and crops.The food we eat has been modified through selective breeding. Hence the statement: Food we eat has not been modified through selective breeding.
Milk production selective breeding has bee applied in milk production by selectively rearing cows with high milk production as planting of disease-resistant crops selective breeding has been applied in the cultivation of disease resistant crops.
Therefore, Food we eat has not been modified through selective breeding. This statement is true.
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What class is the sting ray in?
Answer:
Cartilaginous fishes
Explanation:
Answer:
math lol what he said so yah
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A type of passive transport in which proteins embedded in the plasma membrane move sugars and other polar molecules in and out of the cell is known as:
simple diffusion
endocytosis
osmosis
facilitated diffusion
Answer:
Facilitated diffusion
what supports and protects the chest cavity?
Answer: The bones of the chest — namely the rib cage and spine — protect vital organs from injury, and also provide structural support for the body.
Explanation:
What type of animal is a good substitute for a human corpse? *
Pig
Cow
Chicken
There is no good substitute for a human corpse.
How is the age distribution pattern of the Hawaiian Islands - Emperor Seamount chain explained by the position of the Hawaiian hotspot? Explain using evidence and reasoning.
Answer:
Find the explanation below.
Explanation:
The Hawaiian Islands is a series of islands positioned in what looks like a chain, which increases in age as one moves northwest. The Hawaiian hotspot was formed as a result of the collision of the tectonic plates in the outer part of the earth which caused the rise of a volcano, and which in turn gave off magma which came to rest on a seafloor. That eruption on the seafloor is the hotspot.
This hotspot remains unmovable while the tectonic plates are in constant motion around the hotspot, giving rise to further Islands. This explains the age distribution pattern of the Hawaiian islands which arrived at different times making some older than the others.
Rotenone, a piscicide (fish poison), interferes with the transfer of electrons between Complex I and Complex II in the process shown above. Which of the following results would be expected in the mitochondria of fish exposed to Rotenone? Why?
Answer:
Mitochondria stops working.
Explanation:
When the mitochondria of fish exposed to Rotenone, it inhibits the cellular respiration which is the main cause of death of fishes. This inhibiting of cellular respiration in mitochondria leads to reduction in cellular uptake of oxygen and this reduction is responsible for the death of fishes. This Rotenone releases by the plants present in the water as well as used as pesticides for killing of fishes.