Answer:
Your answer would be A: A pack of hyenas hunt together so they can attack larger animals.
Is a person who inherits a single allele for Huntington’s disease likely to develop the disorder? If so, when during his or her lifetime?
Answer:
Huntington's disease is caused by an inherited defect in a single gene, meaning yes it is likely. more likely will get symptoms between the ages of 30-40s
Why
laboratory rats kept and studied in the exclusion zone?
Identify the wave that has the highest amount of energy
Answer:
the tallest one
that is the amplitude
would you rather get hit by which wave if it were water?
Explanation:
Write the letter all of the following statements that are NOT true. a. Coding sequences for gene products can be isolated from cDNA libraries. b. Antibodies are used for Northern blot analysis. c. VNTRs are highly conserved in human populations. d. PCR amplification generates large numbers of linear DNA fragments. e. RNA molecules can be used as hybridization probes in Southern blot analysis. Separate your answer(s) with a comma, and enter only the letter(s) of your choice(s
Answer:
b. Antibodies are used for Northern blot analysis.
c. VNTRs are highly conserved in human populations.
Explanation:
The northern blot technique is used in molecular biology laboratories for detecting specific RNA molecules in a sample of RNA derived from a particular cell/tissue. Antibodies can be detected by the enzyme-linked immunosorbent assay (ELISA). In ELISA, antigens are used to detect specific antibodies: the addition of the antigen produces a positive reaction i.e., formation of the antigen-antibody binding complex. Subsequently, a second antibody with a particular marker is added to bind with the complex, thereby producing a change in the color and thus evidencing the presence of the target antibody in the sample. On the other hand, the variable number of tandem repeats (VNTR) are short sequences (around 20 to 100 bp) whose number of repetitions varies at specific loci in the genome of many organisms, including humans. Since VNTR sequences exhibit variation in length between individuals of the same species/population, they are widely used as molecular markers to identify individuals, QTL (quantitative trait loci) mapping, establish phylogenetic relationships among individuals/cultivars/lines, etc.
A trait that occurs in 900 individuals out of a total of 1,800 individuals occurs with a probability of
A. 0.04.
B. 0.25.
C. 0.50.
D. 0.75
Answer:
C. 0.50
Explanation:
Since 900 is 1/2 of 1,800, it happens half of the time so the probability is 0.5
hope this helps chu <3
Describe fertilisation in terms of cellular and intracellular changes. I will be very happy if someone answer this I will give them brainly and likes
Answer:
during this process the nucleic of the male and female gametes are fused in order to create a zygote .known as fertilisation.Gametes contain half the number of chromosomes of all other cells in the organism .Meaning they are haploid .
Cells responsible for fertilisation:
fertilisation is the fusion of the nucleus of a male gamete with the nucleus of a female gamete ,producing a new cell called a zygote
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Some cells can die as a result of external agents suck as poison or trauma. However, most cells die through a process known as apoptosis, or programmed cell death. What is a likely consequence of a mutation that prevents apoptosis
Answer: A tumor
Explanation:
A mutation that prevents apoptosis can disrupt the normal cellular mechanisms that prevent tumor formation, and lead to the uncontrolled growth of cells that could ultimately cause cancer.
What is apoptosis?A mutation that prevents apoptosis, or programmed cell death, can have several consequences. One of the most significant consequences is the accumulation of damaged or abnormal cells, which can lead to the development of tumors and cancer. Apoptosis is a natural process that eliminates cells that are no longer needed or that are damaged beyond repair. This process is essential for maintaining tissue homeostasis and preventing the growth of abnormal cells.
When cells are prevented from undergoing apoptosis, they may continue to divide and proliferate uncontrollably, leading to the formation of a mass of cells known as a tumor. This is because cells that have undergone DNA damage or that have other abnormalities are normally eliminated through apoptosis to prevent the accumulation of cells that could become cancerous.
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All human beings differ from one another by roughly what percentage of their total DNA?
Answer:
All human beings are 99.9 percent identical in their genetic makeup. Differences in the remaining 0.1 percent hold important clues about the causes of diseases.
Please help asap please!
How many grams of salt are in 5 L of a solution with a concentration of 3 g/L?
Answer:
Three grams per liter times five liters tells us that there are fifteen grams of salt in this five liter solution.
Explanation:
i hope this helps
mark brainlyest
Which feature of deforestation has the greatest effect on the atmosphere?
extinction of forest animal species
increased risk of flooding
reduction of photosynthesis
soil erosion
Answer:
I'd say reduction of photosynthesis
Explanation:
This is because the atmosphere is mainly made up of gases and photosynthesis involves some certain gas exchange and evolution.
Remember there's room for correcting me since this answer is based on my thinking
Black holes are inviable because they don't reflect light? true or false
Answer:
False
Explanation:
I think I hope this helps If so can u add brianlist
What is the relationship between ATP and mitochondria?
Answer:
mitochondria produces energy in the form of ATP molecules
Which of the following statements about energy producing technologies is true?
A. Some currently used energy producing technologies have no disadvantages
B. Alternatives to non-renewable energy sources can be as effective
C. Air pollution is common to all energy producing technologies
D. Alternatives to non-renewable energy sources are typically more damaging to the environment
Answer:
b. Alternatives to nonrenewable energy sources can be as effective.
Explanation:
Answer: b. alternatives to non-renewable energy sources can be as effective
hope this helps :)
Explanation:
i just took the test
HELP ME!! Do you think we should build von Neumann Machines if we have the necessary capabilities? What instructions should we give them if we do?
Answer:
Explanation:
Control Unit retrieves data and instruction in the same manner from one memory. Design and development of the Control Unit is simplified, cheaper and faster. Data from input / output devices and from memory are retrieved in the same manner.
Which do solar flares and coronal mass ejections have in common? Select the two correct responses.
A. They appear as dark spots on the sun's surface.
B. They tend to occur during minimum points in the solar cycle.
C. They are caused by the sun's changing magnetic field.
D. They are explosive events that can affect Earth.
C. They are caused by the sun's changing magnetic field.
D. They are explosive events that can affect Earth.
Explanation:
I'm sorry if it is wrong but I am almost 100% that it is correct!
Have a good one!
The solar flares and coronal mass ejections are caused by the sun's changing magnetic field. Also they are explosive events that can affect Earth. The correct options are C and D.
What is solar flare?A solar flare is a massive explosion on the Sun caused by the sudden release of energy stored in 'twisted' magnetic fields.
However, not all solar flares are safe. While the Earth's magnetic field protects us from solar radiation, the sheer electromagnetic power of a flare disrupts power grids, internet connections, and other communication devices.
Ejections occur at varying rates depending on the phase of the solar cycle, ranging from about 0.2 per day near the solar minimum to 3.5 per day near the solar maximum.
Coronal Mass Ejections are large plasma and magnetic field expulsions from the Sun's corona.
The sun's changing magnetic field causes solar flares and coronal mass ejections. They are also explosive events that can have an impact on Earth.
Thus, the correct options are C and D as per the given scenario.
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11. What are cell cycle regulators?
Answer:
A conserved set of cyclin-dependent protein kinases (Cdks) initiate or regulate events through phosphorylation of intracellular proteins, thus controlling cell cycle progression, terminal differentiation, and apoptosis. ...
Explanation:
The cell cycle regulators are cyclins, CDKs, and CDK inhibitors as well as some of their substrates, interaction partners, and upstream regulators.
What is a cell?
The smallest unit of life is a cell. There are biomolecules in it. Every living thing is composed of several cell units. Different sorts of creatures contain various types of cells.
Prokaryotic cells are the most basic types of cells; they are only seen in unicellular organisms, do not engage in cell division, and lack real cell organelles and a nucleus, instead having DNA coiling up in the cytoplasm.
Eukaryotic cells are higher cells that contain cell organelles and have the capacity to carry out a variety of intricate tasks required by big organisms.
Thus, Cell signaling is a method of communication between or within cells, and a change in a cell's activity is conveyed as a signal that may set off a chain of events so that the body can respond appropriately.
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Review the Background Information and answer the questions: What is the difference between microevolution and macroevolution? Fill in the blanks: Godfrey Hardy and Wilhelm Weinberg independently derived mathematical descriptions of the relation between allele proportions and genotype proportions. This simple model considers _____ gene with _____ alleles, and makes the prediction the ___________________________ __________________________________________________________________________________________________________
Answer and Explanation:
Due to technical problems, you will find the complete answer and explanation in the attached files
What is a tree that produces cones called
Answer:
Conifers are trees that produce cones to protect their seeds.
two functions of the anther and why it attracts insects.
Answer:
yeah
Explanation:
Produce male sex cells (pollen grains)
3
What is the most likely cause of plate movement?
Answer:
earthquake
Explanation:
c) Describe the phenotype ratio for their offspring. (2 points)
My dog whom I've had since before I was born is about to die. Does anyone have any help or tips? Thank you so much for helping. This means a lot.
Answer:
spend as much time with your loyal pet
Explanation:
make them feel safe and comfortable since it is their last moments on earth. cherish them. hope everything turns out fine for you
Answer:
sorry i though you said she or he die you have to make that last times with he or she the best ones
Explanation:
Complete this sentence to create an argumentative claim .
Rosa Park's act of civil disobedience was a pivotal moment in the civil right movement
A) that brought national attention to the harsh realities of jim crow laws
B) that inspired other advocates of her generation and generation to come
C) and her efforts should be commemorated by putting her image on a pice of us currency
D) but at the time she did not know her single action would ignite a firestorm of protests and boycotts.
Answer: bbb
Explanation:
Injunction
What would be different about earth today if Pangea never broke
Answer:
Image result for What would be different about earth today if Pangea never broke
The rain which comes from the ocean wouldn't be able to travel far enough inland — leaving parts of Pangea practically uninhabitable by humans and other species. And weather up north would be different too, with Russia being much warmer than it is today.
Explanation:
Answer:
The world would just be a large clump of land with little to no space between country's
Explanation:
This could result in many situation, like more fighting over land, less need for boats, and many other situations
What is herd immunity, and why are vaccines important for achieving herd immunity?
Answer:
Herd immunity is a form of indirect protection from infectious disease that can occur with some diseases when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections, thereby reducing the likelihood of infection for individuals who lack immunity.
Explanation:
Vaccines create immunity without causing illness or resulting complications. Herd immunity makes it possible to protect the population from a disease, including those who can't be vaccinated, such as newborns or those who have compromised immune systems.
PLEASE HELP!!
Which sector creates the most fossil fuel emissions?
agriculture
transportation
electricity generation
industry
Answer:
transportation
Explanation:
Transportation (28.2 percent of 2018 greenhouse gas emissions) – The transportation sector generates the largest share of greenhouse gas emissions.
hope this help
5. The center of your skeletal system is your backbone?
(1 Point)
true
False
help
Answer:
True
Explanation:
PLEASE HELP!!
Which of the following is a problem caused by acid rain?
is responsible for smog
damages limestone and marble on statues and buildings
is a CFC that causes destruction of ozone
can cause burning sensation in the eyes and respiratory problems
Answer:
It damages limestone and marble on buildings and statutes.
Can cause burning sensation in the eyes and respiratory problems.
Explanation:
Matt use a camera to take a picture of a rose on a piece of paper in the picture the rose appear to be bright red and the background appear to be white then Matt place a blue glass filter over the camera lens and took another picture in this picture of the Rose appear to be black in the background appear to be blue explain what happens to light waves to make the appearance of the rules in the appearance of the background different in the two pictures.
The blue glass filter absorbed most of the red light waves and allowed only the blue light waves to pass through, resulting in the appearance of the rose and the background being different in the two pictures.
What is Light?
Light is a form of electromagnetic radiation that is visible to the human eye. It is a type of energy that travels in straight lines and has both wave-like and particle-like properties. Light is a fundamental part of our world and plays a crucial role in our lives.
Light is produced by the motion of charged particles, such as electrons, and can be emitted by sources such as the sun, light bulbs, and fires. Light travels at a constant speed of approximately 299,792,458 meters per second in a vacuum, which is known as the speed of light.
When Matt took the first picture of the rose on a piece of paper without any filter, the camera captured the visible light waves that were reflected by the rose and the background. The rose appeared bright red because it reflects mostly red light waves and absorbs other colors, and the background appeared white because it reflects all the visible light waves equally.
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Moving a book to a lower shelf decreases potential energy.
True
False
Answer:
True
Explanation:
Moving a book so the potential energy of the system decreases is a true statement.
What is potential energy?A book's potential energy is reduced when it is moved to a lower shelf. A charge's electric potential energy is decreasing if it is traveling in the direction that it would typically go.
A charge's electric potential energy increases if it is pushed in the opposite direction from how it would ordinarily travel.
Since the potential at the Earth's surface is zero, gravity always has a tendency to draw items toward the planet's center, this causes the potential energy to be reduced.
Therefore moving the book to a lower shell change potential energy, which decreases.
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