Answer:
Phenylketonuria, Cystic Fibrosis and Sickle Cell Anemia, these all are disorders caused by hereditary mutation.
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when a tall male with a genotype of Tt is crossed with a tall female with a genotype of Tt what is the probability that they will produce offspring with a phenotype of being tall?
0%
25%
75%
50%
A resident needs isolation precautions. Which will meet the person’s basic needs? Visiting the person as little as possible to prevent transmission Saying hello from the doorway Letting them know the scheduled for the activity room that day Getting out of the person’s room as quickly as possible
The person’s basic needs Visiting the person as little as possible to prevent transmission. Thus, option "A" is correct.
What can you do to help meet the psychosocial needs of a resident in transmission-based?Provide as much mental stimulation as possible by offering activities that the residents enjoy.
The people who are ensuring transmission-based precautions are required to feel mental peace. Mental anxiety, fear of infection, and stress can be some of the reasons for mental disturbances.
For such people, mental stimulation is necessary by allowing them to participate in recreational activities like fun indoor games.
Such activities will divert their mind from all the reasons for mental anxiety and people will feel relaxed.
Thus, option "A" is correct.
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Which agents cause diseases like yellow fever, encephalitis and measles
Answer:
viruses
Explanation the disease-causing agents take over the machine of the cells and use it to reproduce
Which organelle is labeled H?
cell membrane
cell wall
endoplasmic reticulum
nucleus
A good conclusion restates the hypothesis so that the reader
does not have to return to the beginning of the report.
sees how the scientist applied the results to the hypothesis.
understands how the methods relate to the hypothesis.
recognizes that the hypothesis was correct.
Answer:
a VALID conclusion proves a hypothesis until other data disputes or proves otherwise, and requires high degree scientific integrity in methodology to produce reliable results over time through replicated experiments ..
The distractive of what cell function leads to deemitations that result in cancer
Answer:
DNA repair genes are involved in fixing damaged DNA. Cells with mutations in these genes tend to develop additional mutations in other genes and changes in their chromosomes, such as duplications and deletions of chromosome parts. Together, these mutations may cause the cells to become cancerous.
Explanation:
what is the difference between nature and nurture
Answer:
Nature is the plants and natural life that surrounds us everyday while nurture means to care for or attend to something.
Answer:
Nature is what we think of as pre-wiring and is influenced by genetic inheritance and other biological factors. Nurture is generally taken as the influence of external factors after conception, e.g., the product of exposure, life experiences and learning on an individual.
do you think that all living organisms show all of the characteristics of living organisms of all time?
What is crossing over biology
what important services do forest provide? how might their destruction have an effect on humans?
Answer:
the most important service the forest provides I think is that they filter out polluted air and turns it into clean air
A microscopic image of plant cells is shown. An arrow points to the cell membrane.
Which is a function of the cell structure that is labeled X?
Answer:
The function of cell membrane is to allow only certain substances to go in or out the cell.
what Substance is released by your body when infected and causes thermostat of the body to go up and to cause fever?
Answer:
protein and polysaccharide substances called pyrogens, released either from bacteria or viruses or from destroyed cells of the body, are capable of raising the thermostat and causing a rise in body temperature.
Explanation:
protein and polysaccharide substances called pyrogens, released either from bacteria or viruses or from destroyed cells of the body, are capable of raising the thermostat and causing a rise in body temperature.
Glycogen is an energy-storage molecule in humans. A hormone that is called insulin controls the storage of glycogen in the liver. Insulin is made up of amino acids.
Which statement correctly identifies the types of macromolecules that are described?
Glycogen is a protein, and insulin is a lipid.
Glycogen is a protein, and insulin is a protein.
Glycogen is a carbohydrate, and insulin is a lipid.
Glycogen is a carbohydrate, and insulin is a protein.
Glycogen is a carbohydrate, and insulin is a protein. Thus, option "D" is correct.
What is Glycogen?Glycogen is a polysaccharide made of thousands of glucose molecules. This is also called ‘animal starch’.
The glucose is stored as glycogen in animal cells and humans. Thus, it is a carbohydrate. Insulin is a hormone secreted by beta cells of islets of Langerhans. It is a polypeptide made of amino acids. Thus, it is a protein.
Thus, option "D" is correct.
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help marking brainliest
Answer:
option A is the metaphase and option E is the telophase
(40 points) Look at the diagram below. Which animals are most closely related? Which animals are least closely related? Explain your answer.
Answer:
The most closely related are amphibians and reptiles.
The least related are amphibians and mammals
Explanation:
Amphibians broke off from reptiles, birds, and mammals around 260 millions years ago and next up are the reptiles which broke off around 225 million years ago. So they are the most closely related
Mammals are the last to break off, around 200 million years ago. So they are the least related to amphibians.
Which statement best describes the germ theory of disease?
Answer:
D. diseases are caused by the presence and action of specific micro-organisms
Explanation:
I just did it
Which of the following creates strong downdraft winds produced by a thunderstorm?
Pressure differences between the surface and the thunderstorm
Precipitation falling from the thunderstorm
Temperature differences from the surrounding environment
Humidity gradients caused by the thunderstorm
Answer:
precipitation falling from the thunderstorm
Explanation:
when precipitation falls into the updraft, the falling particles drag air down with them, creating 'sinking air' or 'downdrafts'.
Answer:
pressure difference between the surface and the thunderstorm
Which of the following works with the endocrine system and the nervous system?
a.
hypothalamus
b.
parathyroid glands
c.
pituitary gland
d.
thyroid gland
Hypothalamus works with the endocrine system and the nervous system. Thus, the correct option is A.
What is endocrine system?Endocrine system is the hormone-producing glands and organs release hormones directly into the bloodstream, allowing them to travel to tissues and organs throughout the body.
In the brain's, lower center region, The hypothalamus is present. It is a link between the endocrine and neurological systems. Chemicals produced by nerve cells in the hypothalamus regulate the release of hormones generated by the pituitary gland.
The hypothalamus collects data from the brain (such as ambient temperature, light exposure, and feelings) and delivers it to the pituitary gland. This information has an impact on the hormones produced and released by the pituitary gland.
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Another kind of mutation is genetic, and it is caused by small changes in an organism’s DNA. A change in a base pair is a mutation. This can cause the wrong protein to be made during protein synthesis. Which of the following are causes of mutations?
1. DNA sequence
2. Deletion
3. Subscription
4. DNA replication
Answer:
Deletion sorry if i am wrong
Explanation:
Which of the following is not a function of carbohydrates?
storage
structure
genetic material
energy
Answer:
I believe it should be structure.
Explanation:
How did dark brown skin evolve from our ancient early ancestors?
Answer:
Image result for How did dark brown skin evolve from our ancient early ancestors?
Evolution. Due to natural selection, people who lived in areas of intense sunlight developed dark skin colouration to protect against ultraviolet (UV) light, mainly to protect their body from folate depletion. Evolutionary pigmentation of the skin was caused by ultraviolet radiation of the sun.
Explanation:
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Is this right? If it is not please tell me the correct answers!
Answer: You are correct!
A prokaryote is a single-celled organism that lacks a nucleus, and other membrane-bound organelles. Ex) blue-green algae, bacteria and mycoplasma
A eukaryotic cell is any cell or organism that possesses a clearly defined nucleus. Plant and animal cells are classic examples of this.
Two moths of the same species are colored the same shade of brown and inhabit the same forest. One has the genotype BB and the other Bb. Their genotypes are different; their survival rate could be expected to be
a. the same since natural selection works on phenotype
b. different since natural selection works on genotype
c. the same since genotype and phenotype do not matter in natural selection
d. different since natural selection works on phenotype
Answer:
A. the same since natural selection works on phenotype
Explanation:
Natural selection acts on the phenotype, not the genotype. But it can cause changes in the genotype.
Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA?
Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA? They used Chargaff's rule to determine that it contains ribose sugar. They used Franklin's photo to determine that DNA was a double helix. They used Levene's work to determine the number of base pairs in each strand. They used Nirenberg and Matthei's studies to determine that DNA is made of nucleotide
The statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA.
A) They used Chargaff's rule to determine that it contains ribose sugar.
B)They used Franklin's photo to determine that DNA was a double helix.
How, explain your answer briefly?Watson and Crick used pieces of information available from different researchers such as Chargaff's rules and Franklin.
Chargaff had explained that the four kinds of nucleotides are present in a DNA molecule in such a manner that 2 types of nucleotides were always present in the same amounts and the other 2 types of nucleotides were also always present in the same amounts.
The first X-ray picture of DNA, created by Rosalind Franklin using a technique known as X-ray crystallography, which led to Watson and Crick's model of DNA. It explained the helical shape of the DNA molecule.
Thus, The correct statement is-They used Chargaff's rule to determine that it contains ribose sugar. They used Franklin's photo to determine that DNA was a double helix.
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2 An atom has 9 protons, 10 electrons, and 10 neutrons.
Answer:
the element is potassium
A state cooperative extension in a high-humidity, subtropical climate zone is most likely to prioritize offering information about which of the following crops
Wheat
Apples
Hardy bulbs
Cutrus
Answer:
citrus
Explanation:
I just did the assignment
What is responsible for the layering effect in planetary formation?
Answer:
The stratification of Earth into its geologic layers was brought about by the formation of the Earth's iron core. The iron core was generated by a combination of radioactive decay and gravitation, which raised the temperature enough for molten iron to form.
Explanation:
Humans need gasoline for transportation, but burning
gasoline releases many pollutants. City governments can
set policies to decrease the amount of gasoline their
citizens use.
Which two policies would be most likely to decrease a city's gasoline use?
A. Creating pedestrian-only areas
B. Lowering the cost of gasoline
C. Building a mass transit system
D. Limiting the use of street lights
Answer:
B and C
Explanation:
How did the conservationist John Muir contribute to the protection and management of resources in the US?
Conservationist John Muir was personally involved in the struggle to create Yosemite National Park in 1890.
What did John Muir do?John Muir played a key role in changing this perspective by proposing the preservation of natural areas with a focus on their
environmentalscientific and educational aspects.Muir recognized the importance of ecosystems and their interrelationships for the maintenance of life on the planet, while he saw man as part of the natural world, not the center of it.
With this information, we can conclude that conservationist John Muir was personally involved in the struggle to create Yosemite National Park in 1890.
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What happens during S Phase?
A. Cytoplasm is manufactured
B. The Cell splits in two
C. DNA separates into two nulclei
D. Chromosomes are duplicated