Answer: I say A
Explanation: because data is easier to look at from a table than anything else.
Fluids such as oil, antifreeze, and grease from different parking lots in a city are polluting a nearby lake. this is considered _______.
A: Helpful water pollution
B: Nonpoint source pollution
C: Water pollution that has zero impact on the lake
D: Illegal
The field of science that deals with the analysis and comparison of DNA in organisms is called ____________.
Answer:
it is called Genetics
Explanation:
Genetics is the scientific study of genes and heredity of how certain qualities or traits
Hope This Helped
The field of science that deals with the analysis and comparison of DNA in organisms is called Genetics
Types of Genetics:
1. Single gene inheritance.
Multifactorial inheritance.
Chromosome abnormalities.
4.Mitochondrial inheritance
It is oncerned with the study of genes, genetic variation, and heredity in organisms.
Genetics is used in the following
Understanding disorders.
Diagnosing disorders.
Diagnosing genetic disorders before birth.
Responding to drugs.
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Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. A parakeet that is heterozygous for blue feathers (dominant) is crossed with a parakeet that is homozygous for white feathers (recessive).
A parakeet with white feathers. A parakeet with blue feathers.
According to the Punnett square for this cross, what percentage of offspring is predicted to have blue feathers?
25 percent
50 percent
75 percent
100 percent
Answer: 50% of the offspring are predicted to have blue feathers.
Explanation:
Simple DominanceI'm going to assume since the problem didn't say otherwise that we're working with simple dominance. This is usually the first kind of inheritance that we learn about in school.
For every gene, there are two alleles, a dominant allele (B), and a recessive allele (b). We represent these as a capital letter and a lower case letter. For this problem, let's use a 'B' for blue. There are three combinations that these can come in:
If the alleles are the same, we say the organism is homozygous for the gene. If it has one of each, then the organism is heterozygous.
In simple dominance, if there's a dominant allele present (B), the organism will always show the dominant phenotype (in this case, blue feathers). So, the only offspring that can have white feathers are the ones with a bb genotype.
Punnett SquareA punnet square is a tool used by biologists to determine the probability of two organisms' offspring having certain genotypes. For this simple cross, where we have one gene with two alleles, we just need a 2x2 square. On either side of the square, we're going to put the two alleles of each parent. Then, we'll take each allele on top and add it to the boxes beneath it. Finally, take the alleles on the side and place them in the boxes to their right. I'll attach the completed square to my answer.
Once the entire square is filled in, we'll see the following results:
Bb x2bb x22/4 offspring will have a heterozygous genotype (Bb) and therefore have blue feathers.
2/4 offspring will have a homozygous recessive genotype (bb) and have white feathers.
So, one-half, or 50%, of the parakeets' offspring will have blue feathers.
Answer:
50%
Explanation:
hope this helps
Which of these has the highest BTU content when burned?
A: Paper
B: Plastic
C: Glass
Answer:
A. Plastic
Explanation:
The heat release rate for expanded plastics is generally greater due to the relatively low density and resulting high burning rate.
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Have a good day !
Thank you
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RNA Polymerase utilizes a strand of DNA to create a new complementary strand of RNA.
True or False?
RNA Polymerase utilizes a strand of DNA to create a new complementary strand of RNA. This statement is True.
What is Transcription?Transcription is defined as the process of copying a segment of DNA into RNA. These segments of DNA are transcribed into RNA molecules that can encode proteins which is called as messenger RNAs are produced. Other segments of DNA are copied into RNA molecules called non-coding RNA while mRNA comprises only 1–3% of the total RNA sample.
The main steps of transcription are as follows:
1. Initiation
2. Promoter clearance
3. Elongation
4. Termination
RNA polymerase is the type of enzyme used in transcription which is a multi-unit enzyme responsible for creating a complimentary strand of nucleic acid called RNA from a single stranded DNA template through the incorporation of adenosine, cytosine, guanine and uracil nucleotides.
Thus, RNA Polymerase utilizes a strand of DNA to create a new complementary strand of RNA. This statement is True.
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Research into nuclear fusion will likely require a large investment of time and money before it might be used as an energy source.
Which statement best describes the benefits that would make the investment worthwhile?
Fusion requires a large amount of energy and occurs in stars.
Fusion produces large amounts of energy, and the fuel is found on Earth.
Fusion produces no radioactive waste, and the fuel is plentiful.
Fusion requires little energy to begin and would continue through a chain reaction
The statement best describes the benefits that would make the investment worthwhile is Fusion produces no radioactive waste, and the fuel is plentiful, which means letter C.
What is nuclear energy?Nuclear or atomic energy is the energy produced in thermonuclear plants, which use uranium and other elements as fuel. The working principle of a nuclear power plant is the use of heat to generate electricity.
Some of the advantages of this energy is abundance of uranium, as an essential element in the production of nuclear energy and no use of fossil fuels.
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For what purpose was NASA
formed by the United States in
1958?
A. building up national defense
B. repairing the country's infrastructure
C. increasing industrial efficiency
D. taking over the space program
The purpose of the formation of NASA by the United States in 1958 was D. Taking over the space program.
What was the US space program?The US space program centered on:
Solar system explorationOuter space explorationHuman spaceflightAerospace and aeronautics researchEarth science and space science.NASA was not formed for:
National defenseInfrastructure repairsIncreased industrial efficiency.Thus, NASA was formed in 1958 to oversee U.S. space exploration and aeronautics research in response to the Soviet Union's Sputnik I in 1957.
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Similar plant and animal fossils
have been found on continents
that are now separated by an
ocean. Why is this significant?
A. It gives evidence that the continents never
were connected.
B. It gives evidence that the continents used to
be connected.
C. It proves that the continents never were
connected.
D. This discovery does not help scientists in any
way.
Could anyone please help me with this biology lab? Thank you :)
Look at these images, the oldest is at the bottom, the newest is at the top, so the drawings are next to time zones are properly set up, so next to the time scale is when the drawing next to it was made.
Marsupials are found in North America and Australia, but they would not have been able to swim across the ocean. According to scientists, how did this group of organisms come to live on two separate continents
Marsupials come to live on two separate continents when both continents were attached to each other.
What is the reason for the presence of Marsupials?Marsupials are the group of organisms that come to live on two separate continents a long time ago when both continents i.e. North America and Australia were joined or attached to each other. The supercontinent named Pangea began to break apart about 200 million years ago which results in the formation of continents.
Before this is broken, the Marsupials move to the Australian part from the North American part so we can conclude that Marsupials come to live on two separate continents when both the continents were attached to each other.
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Name the plant tissue
The different types of plant tissues are:
1. Meristematic tissues - It is of three types: Apical, Lateral and lntercalary.
2. Permanent Tissue - It of two types: Simple and Complex tissues. Simple tissues are of three types Parenchyma, Collenchyma and Sclerenchyma.
Complex tissues are of two types - Xylem and Phloem.
Can someone please help me with these questions
Answer:
1) C
2) C
3) A
Explanation:
Hope this helps! Have a great day!!
Explain the interaction of photosynthesis and cellular respiration using two organism and it has to be focusing on the movement of carbon?
Answer:
plants doing Photosynthesis give off oxygen for a human to use in cellular respiration vise versa
Explanation:
Zora and Neil are learning about succession in their biology class. They decide to do their midterm project on the succession that occurred after the dinosaurs went extinct from the ice age. Neil says that the ecosystems that arose after the ice age are an example of primary succession, but Zora thinks they are an example of secondary succession. Who is correct?
Neil, because those ecosystems will be first emerging after the ice age.
Neil, because plants were the first lifeforms to take place in those ecosystems.
Zora, because secondary succession occurs when there is a catastrophic destruction to a previous ecosystem.
Zora, because secondary succession occurs when a species of animals becomes extinct.
Zora is correct because secondary succession occurs when there is a catastrophic destruction to a previous ecosystem.
What is Secondary succession?This usually follows a primary succession and occurs when there is existing presence of life forms.
This is caused by disruptions in the ecosystem such as wildfires, glaciers etc which removes only part of the soil in the area.
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Answer: The correct answer is Zora, because secondary succession occurs when there is a catastrophic destruction to a previous ecosystem.
Explanation: Confirmed correct.
Which type of energy resource does not use a turbine to generate electricity?
A. Petroleum
B. Sunlight
C. Biomass
D. Coal
Sunlight energy source does not use a turbine in order to generate electricity.
Which type of energy resource does not use a turbine to generate electricity?Sunlight is a type of energy resource does not use a turbine to generate electricity. Solar photovoltaic systems have Solar photovoltaic cells that convert sunlight directly into electricity.
So we can conclude that sunlight energy source does not use a turbine in order to generate electricity.
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The 4 types of microscopes, their descriptions, and an example use are:
Answer:
1compound Light microscope
stereoscopic
transmission electron
scanning electron
Which kind of evidence studies mineralized bone, footprints, or organisms trapped in amber to determine common ancestry
Plants are the major source of what blochemical needed in your diet? What specifically is this blochemical used for, and
how is it broken down during digestion?
Explanation:
it is broken down when you have some rest after eating e.g reading a novel
Provide practical examples of passive (natural and artificial) and active (natural and artificial) immunities?
Answer:
How many countries are the original members
A person goes to a doctor due to a loss of blood. The Doctor also noticed swollen legs and bulgy veins in the legs. On top of that the person has been feeling a little sick. They normally feel a little tired with occasional aches, but over there past week they have been really exhausted and weak. You, as the doctor, take a blood sample for a blood smear. You notice an increase inmulti-lobulated granuleocytes in the blood. You also noticed that there are many crescent shaped cells present in the blood. While you report your findings to your patient you also explain the swelling, and the bulgy veins. Explain in detail everything that is wrong or potentially wrong with this person based on the evidence.
The person is having sickle cell anemia.
-It is noticed that the person has swollen legs and bulgy veins in the legs it is due to the formation of thrombosis, which results in blocking of veins.
-The person is being feeling tired ,the reason of this tiredness is
lack of normal RBCs in blood due to which, oxygen is not able to supplied efficiently to body.
-Sickle Cell Anemia: It is group of disorders that cause red blood cells to become misshapen and break down.
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A patient is admitted to the hospital with blood clots despite taking her anti-coagulation medication. During your assessment, you identify she recently started taking a supplement.
The supplement being taken is Vitamin K in this type of scenario.
What is Vitamin K?This is a type of vitamin which is responsible for the clotting of blood and healing of injuries in the body.
This is achieved by coagulation of the blood to stop bleeding however since the patient has blood clots and takes anti-coagulation medication it is best to avoid vitamin K.
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A geneticist is studying a disease trying to determine how its inherited. DNA testing was completed on three generations of a family and a pedigree chart below was created based on the results fell in shape means that the person has the disease a Hatfield shape mean that the person carries the gene for the disease but does not have the disease males are often affected then females females tend to be carriers what term is the type of inheritance is this
Answer:
X-linked recessive inheritance
Explanation:
Since the disease is primarily present in males vs females, it is a s.ex linked disease.
In X-linked recessive inheritance, males tend to get disease b/c they only have one x (the other is y) which means if they get the bad "x" copy from mom then they definetely will get the disease.
Females can be carriers b/c they are XX. If they get a good copy from mom and suppose a bad copy from dad, they can still be healthy b/c the good copy is dominant. They will be carriers (cuz they have the bad copy) but themselves wont have the disease.
Sugar is obtained from which plant
ANSWER
sugar cane, and sugar beets
Explanation:
sugar . It can be extracted from the above plants(sugarcane,sugar beets).it can as well as be obtained in a labatory. But labatory sugar isn't fit for consumption!
Answer:
Sugar cane and sugar beets
Exocytosis is a type of cellular transport that allows materials to move across the plasma membrane of a cell. Which of the statements describe properties of exocytosis?
Exocytosis uses membrane channel proteins to export materials from the cell.
Exocytosis is the primary method of transporting large molecules into the cell.
Exocytosis uses transport vesicles to export materials from the cell.
Exocytosis is the primary method of transporting large molecules out of the cell.
Exocytosis uses transport vesicles to import materials into the cell.
Exocytosis is the primary process by which materials are sent out of the cells.
What is exocytosis?Exocytosis refers to the processes by which materials produced or synthesized within cells are taken out of the cell.
The process of exocytosis is important for cell to remove wastes as well as to send substances produced in specific cells to where they are needed.
The properties of exocytosis include
Exocytosis uses membrane channel proteins to export materials from the cell.Exocytosis uses transport vesicles to export materials from the cell.Exocytosis is the primary method of transporting large molecules out of the cell.Therefore, exocytosis is the primary process by which materials are sent out of the cells.
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Identify the structures in the cell pictured on the
right.
Label A
Label B
Label C
Label D
Label E
Answer:
Label A = Nucleus
Label B = Cytoplasm
Label C = Ribosomes
Label D = DNA
Label E = Cell Membrane
Explanation:
Hope this helps :)
The person above me is correct :)
A. Nucleus
B. Cytoplasm
C. Ribosomes
D. DNA
E. Cell membrane
Have a good day <3
- Correct on Edge 2022.
1.Identify the role of endocrine glands in growth/development, and in regulation of metabolism.
2. Compare hormonal and nervous control of homeostasis
3. Classify the mechanisms through which hormones affect target cells, the major chemical classifications of hormones, and the principles of positive and negative feedback
In this question we are going to answer a series of questions about the human endocrine system, hormone release and homeostasis.
What is human endocrine system, hormone release and homeostasis?1. Endocrine glands produce hormones and release them directly into the bloodstream.
Hormones are the products of secretion from the endocrine glands. They control various activities in the human body, hence the importance of these glands.
2. It is through the feedback mechanism that, for example, the regulation of hormone secretion and the control of temperature and blood pressure occur.
Thanks to this control, it is possible to guarantee the harmony of the systems and, consequently, the homeostasis (balance of the internal environment).
3. Hormones can be divided into four groups, based on their chemical structure,form of synthesis and storage, solubility, half-life, form of transport, receptors on cell and mechanism of action:
PeptidesSteroidsAmines and Eicosanoids.Both positive and negative feedback are extremely important for our body to function properly. However, these two mechanisms have differences. In negative feedback, the body produces a response that reduces the initial stimulus, while in positive feedback, the response reinforces the stimulus.
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A student completed an experiment investigating the response of tomato plants to gravity and created the table below. What can you conclude from the observations? A table showing the observations in an experiment investigating how plants respond to gravity. The top row shows observations from a plant grown upright in a pot. The observations are as follows: the stem grew straight upward on day one, straight upward on day two, straight upward on day three, straight upward on day four, and straight upward on day five. The bottom row shows observations from the plant grown in a pot on its side. The observations are as follows: the stem grew straight outward on day one, it started to bend on day two, more bent on day three, bent like the letter L on day four, and continued to grow in a bent fashion on day five. Gravity does not affect the growth of a plant. Gravity has no effect on the plant grown on its side. The stem of a plant will grow downward with gravity. The stem of a plant will grow upward against gravity.
Plants respond immediately to the gravitational attraction of the Earth as well as to light. Stems develop away from the center of the Earth and toward the light due to negative gravitropism.
What is negative gravitropism?Negative gravitropism occurs when shoots develop in the opposite direction of gravity toward sunlight.
Plants respond immediately to the gravitational attraction of the Earth as well as to light. Stems develop away from the center of the Earth and toward the light due to negative gravitropism.
Thus, the given experiment shows negative gravitropism.
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Pls help meee!!!!!!!!!!!!!
Answer: I had to get help with this one, but I believe the answer is Tyler.
The cloud cover is average and the total cover for Tyler is 60%
While the cover for Euless is 70%
And the pressure for Tyler is higher too.
3. Which of the following provides the best description of active transport of
materials across the cell membrane?
A:Active transport does not require energy and moves materials from areas of
relatively higher to lower concentration.
B:Active transport requires energy and moves materials from areas of
relatively lower to higher concentration.
C:Active transport does not require energy and moves materials from areas of
relatively lower to higher concentration.
D:Active transport requires energy and moves materials from areas of
relatively higher to lower concentration.
Answer:
B. Active transport requires energy and moves materials from areas of relatively lower to higher concentration.
Explanation:
Why is a cell theory called a scientific theory?
Answer:
C
Explanation:
because cell theory is proposed by several scientists means scientists has research depend on many evidence and after that they have agreed in cell theory