Answer:
Your circulatory system carries oxygen, water, and nutrients to cells throughout your body. Wastes from the cells are eliminated by your respiratory system, your excretory system, and your skin. Your nervous system controls all these activities with electrical impulses.
During sexual reproduction, the offspring inherit their traits from __________. both parents themselves the father the mother
Answer:
Both parents
Explanation:
Punnett squares will show that for each trait (eye color, hair color, hair type, etc.) there are at least 3 different options (for a 2x2 Punnett square). I've also seen 4x4 Punnett squares where two traits are used.
What kinds of diseases can vaccinations prevent?
genetic diseases only
bacterial diseases only
viral diseases only
any infectious disease
Any infectious disease (genetic, bacterial, and viral) can be prevented by vaccinations. Therefore, option D is correct.
Vaccinations are primarily designed to stimulate the immune system and provide protection against specific pathogens that cause diseases. They work by introducing harmless components of the pathogen, such as inactivated or weakened viruses or bacteria, or their components (antigens), into the body.
This exposure allows the immune system to recognize and mount an immune response against the pathogen without causing the actual disease.
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Cars A, B, and C are traveling counterclockwise at the same constant speed around the track shown below. Interpret the diagram and answer the question below. What
car will change velocity first?
A. A
B. B
C. C
D. There would be change in velocity is the speed is constant
Answer:
Its B
Explanation:
because the car would have to SLOW down and change velocity while it turns
Answer:
B
Explanation:
Car B will have to slow down when turning the corner.
I took the quiz! I hope this helps! :D
Camren designed an experiment to determine which type of soil absoros the most water. To ensure that experiment results in valid data, each container must...
A:contain the same amount of soil B:contain soil from the same place
Answer:
If this was me, i would want to test different soils to see each result, and i would want it to be precisely the same amount of soil (about 30% of a Glass Cup)
Explanation:
i explained in my answer above,
Also is this a project?
1Some moths have a brown body and brown wings, while other moths have a white body and white wings. The brown moths often rest on the bark of pine trees, and the white moths rest on the white bark of aspen trees. If all the aspen trees in an area were cut down, what would be the likely result? (YOO PLEASE ANSWERSSSSS)
Answer:
The poplar tree with the whitest bark is the White or Silver Poplar. It can be distinguished from the white birch fairly easily, even if you can't tell the difference in leaves.
Explanation:
which statement describes the law of superposition
A. Sedimentary rocks were originally in horizontal layers
B. In horizontal rock layers, each layer is younger than the one below it
C. Rock layers must be in existence before something can happen to them
D. Rocks that are not in horizontal layers were shifted by some geologic event.
Answer:
B. In horizontal rock layers, each layer is younger than the one below it
Explanation:
Law of superposition, a major principle of stratigraphy stating that within a sequence of layers of sedimentary rock, the oldest layer is at the base and that the layers are progressively younger with ascending order in the sequence. ... It is one of the great general principles of geology..
Why do individuals with low
levels of fitness die?
How do adaptations help an organism as they struggle for existence?
Answer:
low level of fitness means the individuals have little or no adaptations.
while adaptations are those changes that help an organism to struggle and survive. it increases the survival rate of an organism. adaptations are the changes in DNA in the form of mutations and recombinations. it increase immunity of an organism and improve its fitness.
Explanation:
AUG is the start codon, and UAG, UGA, and UAA are the possible stop codons.
The code on a human mRNA reads AUGCCCUUUAUGGGGUAA.
ges
Which statements are true about this sequence?
Select all that apply.
Protein synthesis cannot start because there is no start codon.
The protein will have only four amino acids.
Two methionine amino acids will be in the protein chain.
The protein will have five amino acids.
Answer:
The correct answer is -
Two methionine amino acids will be in the protein chain.
The protein will have five amino acids.
Explanation:
In protein synthesis, there are mRNA codons made up of the three bases known as triplet codons that form a specific amino acid during translation. There is a specific codon known as the starting codon that is AUG present at the beginning of almost every protein sequence and code for the methionine amino acid. UAG, UGA, and UAA are the stop codons if present at the end of the mRNA sequence and if any of these stop codons are present at the end of the sequence they do not produce any amino acid.
In this case, the mRNA sequence having 6 triplet codons AUG CCC UUU AUG GGG UAA where the first AUG is a start codon and code for the methionine and UAA is a stop codon and do not code for any amino acid therefore, the protein would carry only 5 amino acid and as there are two AUG so it has two methionine.
Answer:
Two methionine amino acids will be in the protein chain.
The protein will have five amino acids.
Explanation:
just took test
In the open ocean, algae live only in the deep zone Please select the best answer from the choices provided ОТ OF
Help!!!
Answer:
Of is your answer
Explanation:
Answer:
False
Explanation:
How can an organism's environment affect its traits?
First, I read that so incorrectly. Awkward.
An organism's environment affects its physical and self traits by making them adapt. Charles Darwin had discovered this theory with the finches. Places that were harder to get food would make these finches physical change over evolution to help them survive. It changes the animals habits depending on their resources. If a bird eats berries but there is no berries then the bird will have to change its diet or it will die.
Diverse mammals developed and began to flourish in the Cenozoic era . Which of the following also began to develop and flourish during this time ?
Answer:
B. First Bacteria
Explanation:
Often During summer months large bodies of water will experience "fish kill." These do not happen during the winter months. Explain these events using your understand of the properties of water.
Answer: see below.
Explanation:
gases dissolve more in colder water, so in summer the water can become oxygen depleted. Evaporation in summer can reduce water volume; even in summer rainfall climate evaporation rates may exceed precipitation. Evaporation will also cause higher conentrations of solutes of which some may reach toxic levels. Summer sun may also cause algal or cyanobacterial blooms which can further deplete dissolved oxygen and may release toxins into the water.
What is responsible for movement within a cell
Answer:
Explanation:
In addition to playing this structural role, the cytoskeleton is responsible for cell movements. These include not only the movements of entire cells, but also the internal transport of organelles and other structures (such as mitotic chromosomes) through the cytoplasm
An insertion mutation example
what is Refrigeration in food preservation
Answer:
Refrigeration in Food Preservation and Processing ... The aim of all food preservation methods is to slow down processes that cause deterioration of quality and wholesomeness. Refrigeration applications are equipment that transfers heat from the product or enclosure (refrigerated cabinet or room) to the colder refrigerant.
Answer:
The aim of all food preservation methods is to slow down processes that cause deterioration of quality and wholesomeness. Refrigeration applications are equipment that transfers heat from the product or enclosure (refrigerated cabinet or room) to the colder refrigerant
Explanation:
How do moving glaciers change the surface of the earth??? please help!!!
Answer:
Glaciers are massive bodies of ice that move across the surface of the Earth like rivers. As glaciers move they change the surface of the Earth by wearing away loose rocks and soil and depositing them somewhere else.
Explanation:
Answer:
Glaciers change the surface of the earth by causing small or large amounts of material to be pushed out of the way as the glacier slides along a path set by gravity and angle of the slope it is on.
Explanation:
What 4 materials can exit out the cloaca
Facilitated diffusion is......
A. The opposite of passive transport
B. The same as passive transport
C. Does not require energy to happen
What are the main factors that affect an ocean current?
geographical features
Wind caused by unequal heating of the earth
none of the choices
Coriolis effect
Answer:
wind causes by unequal heating of the earth
Explanation:
Because,ocean currents are driven by wind, water density differences and tides.Oceanic currents discribe the movement of water from one location to another.
Hope it helps...
What is the complementary DNA strand for (CCACTGA)
Answer:
Explanation:
GGTGACT
what is a safe method to heat alcohol/methylated spirits?
Answer:
Explanation:
Boil a pot of water that has been tested with a stainless steel dish that sits adequately on top of the pot, without falling in. When the water boils, turn off the stove, which eliminates the ignition source, then pour your ethanol into the bowl, and place it on top of the hot water pot
Answer:
Boil a pot of water that has been tested with a stainless steel dish that sits adequately on top of the pot, without falling in. When the water boils, turn off the stove, which eliminates the ignition source, then pour your ethanol into the bowl, and place it on top of the hot water pot.
Explanation:
Answer and I will give you brainiliest
I need a surely answer please
first left (up) trachea
first left (down) diaphragm
right (up) bronchiole
right (down) alveolus
hurry pleaseeee
Which 2 events during meiosis increase GENETIC
VARIATION by ensuring that each egg and each
sperm will be unique?
Answer:
(three) crossing over, mutations caused during crossing over, and independent assortment.
Explanation:
Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I.
Water moves from low to high concentration or high to low?
Answer:
When water moves from low concentrations of solute to high concentrations of solute, it moves from high concentrations of water to low concentrations of water.
Based on the absolute dating of the rock layers in this photograph, what
could a scientist conclude about a fossil found in area A?
1.4 million
years
2.1 million
years
D
A. It is between 1.4 million and 2.1 million years old.
B. It is less than 1.4 million years old.
0 ООО
C. It is more than 2.1 million years old.
D. It is exactly 1.4 million years old.
Answer:
B
Explanation:
It is less than 1.4 million years old
Based on the absolute dating of the rock layers in this photograph, a scientist could conclude about a fossil found in area A is that it is less than 1.4 million years old.
What do you mean by Fossils?Fossils may be defined as the dead and organic remains of the past organisms which are preserved deep in the soil over a long period ago.
The fossil found in area A is very recent from the evolution point of view. The deeper the layer, the oldest is the fossil.
Area A of the fossil is synthesized after the time period of 1.4 million years ago, hence the fossil present in that area would be less than 1.4 million years old.
Therefore, based on the absolute dating of the rock layers in this photograph, a scientist could conclude about a fossil found in area A is that it is less than 1.4 million years old.
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Why does the starch remain present and is detected by iodine in the boiled solution?
Answer:
Amylose in starch is responsible for the formation of a deep blue color in the presence of iodine. The iodine molecule slips inside of the amylose coil. ... A blue-black color results if starch is present. If starch amylose is not present, then the color will stay orange or yellow. I hope this helps!
A forensics expert has obtained a sample of human blood from a crime scene. How can DNA fingerprinting be useful for identifying the person who left
the blood at the crime scene?
A by identifying the sequence of nucleotides in the DNA of blood cells
B. by comparing DNA from the blood cells with DNA from suspects
C. by identifying certain genetically controlled traits of suspects, such as eye shape and blood type
D. by comparing karyotypes made from blood cells at the crime scene and blood cells from suspects
Answer:
B - by comparing DNA from the blood cells with DNA from suspects!
Explanation:
DNA fingerprinting is a laboratory technique used to establish a link between biological evidence and a suspect in a criminal investigation.
A DNA sample taken from a crime scene is compared with a DNA sample from a suspect.
If the two DNA profiles are a match, then the evidence came from that suspect. (from www.genome.gov )
Hope this helps! :]
A forensics expert has obtained a sample of human blood from a crime scene, DNA fingerprinting may be useful by comparing DNA from the blood cells with DNA from suspects, which is option B.
What is DNA fingerprinting?DNA fingerprinting is a technique used to identify individuals based on their unique DNA profiles, and by analyzing the sequence of nucleotides in an individual's DNA, forensic scientists can create a DNA profile that is unique to that individual. So to identify the person who left the blood at the crime scene, forensic scientists would analyze the DNA in the blood sample and create a DNA profile, and then find out the criminal based on the DNA fingerprinting.
Hence, DNA fingerprinting may be useful by comparing DNA from the blood cells with DNA from suspects, which is option B.
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All of the following are properties of a population EXCEPT*
Dispersion
Destiny
Density
Size
name the four major groups in the plant kingdom and discuss the major evolutionary trends across the groups
Answer:
The kingdom Plantae consists of four major plant groups on land: bryophytes (mosses), pteridophytes (ferns), gymnosperms (cone-bearing plants), and angiosperms (flowering plants). Plants may be categorized as vascular or nonvascular. A vascular plant has tissues for transporting water or sap. Nonvascular plants do not.
Some cnidarians are unique in exhibiting polyp and medusa forms. How might their two body forms give them an advantage over species that have only one body form?
Answer:
Explanation:
cnidarians are mostly marine animals. they exibit alternation of generation with two different body forms. their larval stage is polyp and the maturation stage is madusa. these two different forms help them to survive. polyp stage is sessile while medusa stage is free swiming. they can get food migrate and do sexual reproduction. their are also some cniderians that exhibit only one body form. these are less suited to environment as compared to the others that haae two body forms.