A father who carries the allele for muscular dystrophy on his X chromosome can pass it to his son, but the son would have to inherit the father's affected X chromosome to develop the disease.
What is muscular dystrophy?
Muscular dystrophy is a recessive sex-linked trait that is caused by a mutation in the genes that produce muscle proteins. The genes responsible for muscular dystrophy are located on the X chromosome. Since males only have one X chromosome, if they inherit an X chromosome with the mutation, they will develop muscular dystrophy.
Fathers who carry the allele for muscular dystrophy on their X chromosome can pass it to their daughters who will be carriers of the condition, but they cannot pass it on to their sons through their Y chromosome. However, their daughters can pass on the affected X chromosome to their sons, who would then have a chance of developing muscular dystrophy.
So, it is possible for a father to pass on the allele for muscular dystrophy to his son, but the son would need to inherit the father's affected X chromosome, which would happen only if the mother is a carrier or affected by the condition.
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What are the two major threats to African elephant populations?
Answer:
Elephants are sometimes killed in retaliation. With human populations continuing to grow across their range, habitat loss and degradation - and conflict with communities - will remain major threats to elephants' survival.
PLS HELP I DONT UNDERSTAND :( WILL GIVE BRAINLIEST + 25 POINTS!!! :D
Answer:
I think its the last one
The attributes of man are similar to God's attributes. Match man's finite attributes with God's infinite attributes.
1. Man has a limited amount of wisdom.
God can create something out of nothing.
2. Man has ability to obey laws.
God is righteous in all He does
3. Man has certain creative gifts and abilities.
God is omnipotent.
4. Man is able in a limited way to express acts of love.
God is omniscient.
5. Man has the power and ability to perform a finite variety of deeds.
God is all-loving.
6. Man must be in only one place at one time.
God is omnipresent.
Answer:
1. Man has a limited amount of wisdom -
God is omniscient
2. Man has ability to obey laws - God is righteous in all He does
3. Man has certain creative gifts and abilities - God can create something out of nothing.
4. Man is able in a limited way to express acts of love - God is all-loving
5. Man has the power and ability to perform a finite variety of deeds - God is omnipotent
6. Man must be in only one place at one time - God is omnipresent
Name the type of energy lost by the water
In the diagram below, what part of the excretory system is labeled B?
A-
A. Kidney
OB. Ureter
OC. Urethra
OD. Bladder
B.
D
Option(B) Ureter is the correct option.
The ureter is a vital part of the urinary system in humans. It is a muscular tube that connects the kidneys to the urinary bladder. Each human has two ureters, one attached to each kidney, and they play a crucial role in the transportation of urine from the kidneys to the bladder.
The primary function of the ureter is to carry urine that is produced in the kidneys to the urinary bladder for storage before it is eliminated from the body through urination. The ureters accomplish this by using peristalsis, a wave-like muscular contraction, to propel urine along their length.
The ureters have a complex anatomical course. They originate from the renal pelvis, which is the funnel-shaped structure that collects urine from the kidneys. From there, they extend downward, crossing over the brim of the pelvis and passing behind the peritoneum, the membrane lining the abdominal cavity.
The efficient functioning of the ureters is essential for the proper elimination of waste products and maintenance of fluid balance in the body. Any obstruction or abnormality in the ureters can lead to conditions like kidney stones, urinary tract infections, or urinary reflux.
In summary, the ureters are muscular tubes that transport urine from the kidneys to the urinary bladder. They rely on peristaltic contractions to propel urine, and their structure and positioning help ensure unidirectional flow.
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Mendel wanted to find out if the color of the seed of the pea plant effected the seed shape what experiment did he perform?
Answer:
He cross-breeded plants that had different colors and seed shapes to see if the seed shape was affected.
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(a) (i) 2. IV: V: I: II: III: The diagram below is an illustration of structures involved in the circulation of blood in mammals. Study it and answer questions 2(a) to 2(f). VI V VII (ii) Identify the parts labelled I to VIII. ↑ VIII Pulmonary vain I -11 IV Name two features that show that the structures are possessed by humans. Pla [2 marks] D Wr this
I - Left Atrium, II - Left Ventricle, III - Right Ventricle, IV - Right Atrium, V - Aorta, VI - Pulmonary Artery, VII - Pulmonary Vein, VIII - Vena Cava.
The labeled parts in the diagram represent structures involved in mammalian blood circulation, specifically for humans. I is the Left Atrium, where oxygenated blood enters the heart. II is the Left Ventricle, which pumps oxygenated blood to the body.
III is the Right Ventricle, which pumps deoxygenated blood to the lungs. IV is the Right Atrium, where deoxygenated blood returns to the heart. V is the Aorta, the main artery supplying oxygenated blood to the body. VI is the Pulmonary Artery, transporting deoxygenated blood to the lungs.
VII is the Pulmonary Vein, carrying oxygenated blood back to the heart. VIII is the Vena Cava, returning deoxygenated blood from the body to the heart.
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Match the following terms with the correct definition.
1. Hypothesis
2. Control
3. Dependent Variable
4. Experiment
5. Conclusion
6. Data
7. Independent Variable
A. Organized process to test a hypothesis
B. An educated guess about the solution to a problem
C. Observations & measurements recorded
D. A judgment based on the results of an experiment.
E. Used to show that the result of an experiment is
really due to the condition being tested
F. The factor that is manipulated during an experiment
G. The response that is measured in an experiment
The match for the given scenario will be 1-B, 2-E, 3-F, 4-A, 5-D, 6-C, and 7-G.
What is an experiment?An experiment is a methodology that is conducted out to confirm or disprove a hypothesis, or to assess the effectiveness or possibility of a method that has never been tried before.
A hypothesis is an educated guess about a problem's solution. Control is used to demonstrate that the outcome of an experiment is truly due to the condition under test.
The component that is manipulated during an experiment is known as the dependent variable. Experiment is a structured process for testing a hypothesis.
A conclusion is a decision based on the outcomes of an experiment. Observations and dimensions are recorded as data.
The response measured in an experiment is known as the independent variable.
Thus, the correct match is 1-B, 2-E, 3-F, 4-A, 5-D, 6-C, and 7-G.
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A human would be considered a(n) *
Answer:
Organism?
Explanation:
common or general barriers of entry of small businesses into market reference to township entrepreneurship barriers
Legal bottlenecks and lack of capital are the factors that are general barriers of entry of small businesses into market
What are the barriers?
A fundamental obstacle for small enterprises in townships is a lack of financial resources and restricted access to finance. Due to a lack of collected data, many companies may struggle to raise starting money, receive loans, or attract investors.
Small enterprises may find it difficult to navigate complex regulatory frameworks and adhere to legal obligations, especially if township-specific administrative procedures or licensing restrictions are present. For enterprises, administrative procedures and compliance fees can be very challenging.
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does osmosis need energy? NEED TO KNOW ASAP!
Answer:
Osmosis don't require the cell to expend any of its own energy, as they are passive processes.
Explanation:
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Which of the following organisms is likely to be in the lowest trophic level
of an ocean food chain?
O Leopard Seal
O Penguin
O Krill
O Plankton
O Fish
Answer: Plankton
Explanation:
Plankton are small organisms that exist in water and are too weak to swim against the currents of the ocean and the seas. This leads to them going wherever the currents take them. Plankton can be either plants or animals.
Of the organisms listed, they are on the lowest trophic level and provide a source of food to other organisms of different sizes ranging from krill to whales.
a company wants to compare two types of fertilizer (brand a and brand b) to see which one helps the plants grow faster. twenty identical plants are used to test the fertilizer. a botanist spreads brand a fertilizer on the north side of a plot and brand b fertilizer on the south side, and then plants the 20 plants randomly throughout the plot. the company comes and measures the plants on the plot. brand a has heights of 10 and brand b has heights of 9. it is then determined that brand a helps the plants grow faster.
It is determined in the question that brand A helps the plants grow faster.
What is the use of fertilizer?Fertilizers are defined as any material, organic or inorganic, natural or synthetic, which supplies one or more of chemical elements required for plant growth. Fertilizers that are commonly used in agriculture contain three basic plant nutrients: nitrogen, phosphorus and potassium.
Fertilizer is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from liming materials or non-nutrient soil amendments. Many sources of fertilizer exist, that is both natural and industrially produced.
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Identify the four chordate characters (if present) in your spicimen of a common teleost and include these in the annotations Expose the vertebral column; observe the shape of the vertebrae
A chordate is defined as an organism that, at least in certain developmental stages, has a structure known as a notochord. When fully formed, the notochord is a rod that runs almost the length of the body.
These five synapomorphies include the notochord, dorsal vena cava, internal column or thyroid, pharyngeal fissure, and retrolental caudal. At some point during the larval or adult stage, all chordates possess five synaptic morphologies or key features that distinguish them from all other taxa.
Fishes and other vertebrates share some characteristics as they both belong to the phylum Chordata. These features include a tail, a notochord or skeletal support bar a dorsal hollow nerve cord, and gill slits at certain stages of the life cycle. Features include a tail a notochord or skeletal support bar a dorsal hollow nerve cord and gill slits at certain points in the life cycle.
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If a less concentrated initial solution of sodium bicarbonate was used in beaker C, would that solution require more or less bicarbonate to neutralize the acid? Why?
Less bicarbonate would be required to neutralize the acid if a less concentrated initial solution of sodium bicarbonate was used in beaker C.
What is bicarbonate?Bicarbonate is a naturally occurring chemical compound composed of sodium, hydrogen and carbonate ions. It is a salt and a weak acid, and its chemical formula is NaHCO3. Bicarbonate has many uses, including baking, cleaning, medicine, and neutralizing acids. Baking soda, which is sodium bicarbonate, is used in baking as a leavening agent. It acts to create air bubbles in dough, which helps breads and cakes to rise. Bicarbonate is also used in cleaning products as a mild abrasive and a pH buffer.
This is because a less concentrated solution will have fewer moles of bicarbonate per liter of solution, thus requiring less bicarbonate to neutralize the same amount of acid.
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analyze potential impacts of oceans on human populations as the result of climate change in the current century.
Answer:
The result of climate change is ocean levels increasing because of the increase in temperature. Ice is melting due to climate change and this is causing the ocean levels to rise rapidly. If the ocean levels rise above land, some villages/towns/cities could flood. As a result houses of which people live in and other structures may be destroyed. Water sources may also be contaminated, making the water unsafe for humans to consume.
How did paleoanthropologists determine that Paranthropus ate tough plant foods like grasses
and leaves?
A) Food remains near the fossil
B) Drawings of food on cave walls
C)Food cutting tools found at their sites
D) Evidence of powerful chewing muscles
Answer:
D) Evidence of powerful chewing muscles.
© 1. What type of cell is this? What characteristics helped you decide the type of cell? (Identify form/structure.) What is this cell's function?
Answer:
nerve cell
Explanation:
it helps in the nervous parts
it comprises of neuron,dendrides and axons..
The given cell is the nerve cell, as the structure has a single cell body and dendrites that are coming out of the cell body, and it is important for the body as the function is to send information.
What is the work of the nerve cell in the animal body?In animals, nerve cells are the primary cells that carry information throughout the body and are responsible for transmitting information in the form of electrical and chemical signals, and each neuron has three main parts: the cell body, dendrites, and axons, here the cell body contains the cell's nucleus and other organelles; dendrites are branching extensions of the cell body that receive signals from other neurons or sensory cells; and axons are long structure that transmit signals to other neurons.
Hence, the given cell is the nerve cell, as the structure has a single cell body and dendrites that are coming out of the cell body, and it is important for the body as the function is to send information.
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Answer the following questions:
How much water did you use each time you washed your hands? How much water use is this in a week? In a year? Show your calculations in the lab notebook.
How much water did you use each time you brushed your teeth? How much water use is this in a week? In a year? Show your calculations in the lab notebook
The Florida site suggested we all cut our water use by ten percent. What could you do to cut the water used for these two activities? Could you cut it by more than 10%? Explain.
How long was each of your showers? Use the Florida site to see what would happen to your annual water use if you cut two minutes off each shower. Would this be a feasible option for you? If you took baths instead of a shower, please answer these questions: How much water did you gather in the bathtub after your bath? Does this align with the amount of water suggested for baths on the Florida web site? Could you still have a good bath and use less water each time? How much water could you save each year with cutting back on your bathwater? Explain.
How could you help conserve water for your entire household?
What suggestions from the course activity website could you or your family follow to save water?
Looking at Data table #3, how did your hypothesis compare with your actual water use?
Write a one paragraph summary or conclusion explaining the results of your lab. Be sure to include at least 2 ideas that you can carry out on a regular basis to conserve water. Please make sure the data from your lab is included in this summary.
1. I used 1 gallon of water each time I washed my hands. This means that I used 7 gallons of water in a week and 365 gallons of water in a year.
2. I used 1 cup of water each time I brushed my teeth. This means that I used 7 cups of water in a week and 365 cups of water in a year.
What is hypothesis?In science, a hypothesis is an educated guess about how things work. It is a statement that can be tested to see if it is true. A hypothesis is not a fact, but it is a starting point for scientific inquiry.
3. The Florida site suggests that we all cut our water use by 10%. To cut my water use by 10% for washing my hands, I could turn off the faucet while I am lathering my hands with soap. To cut my water use by 10% for brushing my teeth, I could turn off the faucet while I am rinsing my mouth. I could also brush my teeth with less water.
4. My showers were each 10 minutes long. If I cut two minutes off each shower, I would save 2 gallons of water each time I shower. This would save me 140 gallons of water in a year. This is a feasible option for me because I do not need to shower for 10 minutes to get clean.
5. I do not take baths.
6. I could help conserve water for my entire household by fixing any leaks in the pipes. I could also install low-flow faucets and showerheads. I could also encourage my family to take shorter showers and to turn off the faucet while they are brushing their teeth.
7. Some suggestions from the course activity website that my family could follow to save water include:
Fix any leaks in the pipes.Install low-flow faucets and showerheads.Take shorter showers.8. My hypothesis was that I would use more water than I actually did. My actual water use was much lower than I expected. This is because I took steps to conserve water, such as turning off the faucet while I am lathering my hands with soap and while I am rinsing my mouth. I also brushed my teeth with less water.
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Select the best answer for the question.
2. What should you do if you're asked to do a task that doesn't make sense to you?
A. Consult with your pharmacy professor.
OB. You shouldn't do the task.
OC. Ask your supervisor.
COD. Do it anyway.
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A group of similar cells that perform a particular function is called a(an) a. organ. c. tissue. b. organ system. d. division of labor.
Answer:
Tissue
Explanation:
Answer:
The answer is C. Tissue
9. What type of weather front would be responsible for the following forecast: “A period of heavy rain within the next 24 hours followed by warmer temperatures. Thunderstorms and possibly thundersnow from the period of 24 to 30 hours from now with temperatures dropping by 20-25˚ F and barometric pressure dropping by 15-20 mb. Snow beginning 30-36 hours from now, accumulation of 10-13 inches possible. Cooler temperatures and clear skies in 2 days.”
Answer:
dropping by 20-25˚ F and barometric pressure dropping by 15-20 mb. Snow beginning 30-36 hours from now, accumulation of 10-13 inches possible. Cooler temperatures and clear skies in 2 days.”
what is the analogy between the vacuole and a school?
Answer:
The vacuoles is like the cabinets in the school used to store items. where we release all of our energy. Cytoplasm is like the hallways of the school.
Describe the physical defense the tuberculosis bacteria will encounter as they move into your respiratory system?
The physical defense that the tuberculosis bacteria will encounter as they move into your respiratory system includes physical barriers such as respiratory epithelia and then inside the tissue white blood cells that attack pathogenic bacteria.
What is the relative role of white blood cells in the immune system?The role of white blood cells such as killer T cells that attack pathogenic bacteria is to create a line of defense in the immune system against this type of pathogenic agent.
Therefore, with this data, we can see that White blood cells are able to attack and kill pathogenic bacteria.
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Genetic diversity decreases the more species there are in an area. True or False
Answer:
False. Genetic diversity tends to increase as the number of different species in an area increases. This is because diverse habitats support a wider range of ecological niches, which in turn support a greater variety of species and genetic diversity within those species. However, it's worth noting that other factors such as habitat fragmentation, invasive species, and climate change can also affect genetic diversity in complex ways.
Explanation:
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PII CVS PRACTICE Exam#1 68Qs.doc (69 KB)
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30. The largest cells in the blood that leave the bloodstream to become macrophages are th
A. Neutrophils
B. Eosinophils
C. Lymphocytes
D. Monocytes
21
ruthroblastocie fatalie also
Your Answer will be D. Monocytes
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Answer:
The largest cells in the blood that leave the bloodstream to become macrophages are the
Monocycles
Palisade mesophyll cells have very large vacuoles.
Explain how water moves from the xylem in the leaf into these vacuoles.
Answer:
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All filters
1-Water is passively transported into the roots and then into the xylem. 2-The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. 3- Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.
Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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Using water more efficiently _______.
a.
protects the environment
b.
causes the loss of natural pollution filters
c.
increases water contamination
d.
all of the above
Answer:
a. protects the environment.
Explanation:
Using water efficiently means using it wisely and not wasting it. When we use water more efficiently, we reduce the amount of water we consume, which helps to conserve water resources. This is important because water is a limited resource, and by using it efficiently, we can ensure enough water is available for future generations.
By using water more efficiently, we can also protect the environment. Water is essential for many ecosystems and habitats, and by conserving water, we can help maintain the balance of these ecosystems. Additionally, using water efficiently can reduce the need for energy-intensive water treatment and distribution processes, which can help reduce greenhouse gas emissions and mitigate climate change.
So, using water more efficiently helps protect the environment but also helps conserve water resources for the future.
Do you think our supply of oxygen will be enough to last for the next 500 years?
Based on NASA's calculation that a human needs 840 grams of oxygen per day, and the fact that Earth's atmosphere contains about 1000 billion tonnes of oxygen and the global population is 7.5 billion, it would last around 370 years.
Answer:
No
Explanation: