Answers
The phenotype indicated by the red circles and squares in this pedigree shows an inheritance pattern that is autosomal recessive.
Different regions of the world have experienced mutations (or changes in DNA) over time. Anyone can inherit any recessive gene. However, due to the location of the mutation, some ethnic groups are more likely to have particular recessive genes. For instance, people of Ashkenazi Jewish origin frequently carry the gene that causes Tay-Sachs illness. The specialists assume the mutation arose in Eastern Europe, where this population is from. People who are not of Ashkenazi Jewish origin can potentially contract the disease.
Hence, autosomal recessive disorder expressed when both allele have mutation.
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Related Questions
Q1: true or false? During an experiment, multiple trials should be conducted in order to gather reliable data.
Q2: create your own hypothesis from the following problem. Will a basketball, or volleyball bounce the highest when dropped from a height of 1 meter?
Q3: identify the independent, dependent, and controlled variables. Does fertilizer make a plant grow taller
Answers
Answer:
1. True
2. I think the basketball will bounce higher due to the material it is made out of.
3. Independent: Amount of fertilizer
Dependent: Plant Growth
Controlled: Water
Hope this helped fellow ARMY! <3
How is a delta formed?
A. When the river deposits the load at the sour of the river
B. When the river deposits the load at the mouth of the river
C. When the river breaks through the walls of the river
D. When the water in the river stops moving
Answers
Why are there largely a larger number of producers than tertiary consumers in an ecosystem?
A. Only about half of the energy passes on to the next organism in a food chain, so there needs to be more of the living things lower in the energy pyramid to support the living things higher in the pyramid.
B. All of the energy is passed from level to level in the energy pyramid, so the number or tertiary consumers is always higher.
C. Only about 10% of energy is passed on to the next organism in a food chain, so there needs to be more of the living things lower in the energy pyramid to support the living things higher in the pyramid.
Answers
Answer:
C
Explanation:
the more higher up you go on a pyramid, the lower energy you get
How do humans contribute to the level of carbon dioxide in the atmosphere
Answers
Answer:
Explanation:
Humans contribute to the level of carbon dioxide in the atmosphere primarily through the burning of fossil fuels such as coal, oil, and natural gas for energy. This releases carbon dioxide, which is a greenhouse gas, into the atmosphere. Deforestation and agriculture also contribute to the release of carbon dioxide, as trees and plants absorb and store carbon. Additionally, industrial processes and transportation also contribute to the release of carbon dioxide.
1. Explain the advantages of compartmentalization in eukaryotic cells.
2. Explain how the nucleus controls protein synthesis in the cytoplasm.
3. List the components of the endomembrane system, and describe the structure and
functions of each component.
4. Describe the pathway of a newly synthesized protein through the endomembrane system
before is secreted out of the cell. What organelles will the protein visit?
5. Explain the biological/physiological relevance of mitochondrial cristae and chloroplast
thylakoids.
6. Describe the evidence that mitochondria and chloroplast are semiautonomous organelles.
7. Explain the mechanism by which microtubules transport vesicles through the cell.
8. Describe the basic structure of the plant cell wall and its function. Discuss the biological
relevance of plasmodesmata.
9. Compare and contrast the role of phospholipids and cholesterol in cell membrane
structure and function.
.0. Define diffusion. Explain why diffusion is a spontaneous process.
.1. Compare and contrast the role of transport proteins and receptor protein in cell
membrane function.
2. Define membrane potential and electrochemical gradient
3. Explain how endocytosis and exocytosis contribute to plasma membrane recycling.
4. Distinguish among osmosis, facilitated diffusion, and active transport.
15. Imagine that you can attach a molecular flag in the membranes of the rough endoplasmic
reticulum (RER). Where would you expect to find such flag if vesicles formed in the RER
deliver their content outside of the cell?
Answers
Answer:
Explanation:
⁰2
According to the article, why did scientists come to the conclusion that the solar nebula played a role in the formation of Earth's
water?
O
The solar nebula are clouds of gas and dust left over from the formation of the sun, and the clouds were
filled with water that came to Earth.
O
Samples from deep within the Earth did not have the same deuterium levels as asteroids do, leading
scientists to look at solar nebula gas.
Scientists decided the solar nebula was a possible explanation after ruling out the idea that asteroids
and comets affected the formation of Earth's water.
O
The chemical signature in the oceans' water matched better with the chemical signature found in the
asteroids that came from the solar nebula.
Answers
Answer:
same deuterium levels as asteroids do, leading
scientists to look at solar nebula gas.
Scientists decided the solar nebula was a possible explanation after ruling out the idea that asteroids
and comets affected the formation of Earth's water.
Why is it important for farmers to add nitrogen to their field of crops?
O Plants use nitrogen to make nucleic acids which provide energy.
O Plants use nitrogen to make carbohydrates which provide energy.
o Plants use nitrogen to make proteins which help them grow strong and healthy.
Plants use nitrogen to make lipids which help them grow strong and healthy.
Answers
Answer:
itrogen is one of the key nutrients that plants need to grow, and it is naturally available in limited quantities. Therefore, the addition of nitrogen fertilizer is an important component of achieving high agricultural yields.
Explanation:
4. This experiment below has not started yet. It is meant to test how light affects seed germination. What needs to be fixed so that it is a fair test (a controlled
experiment)?
Daily water: 70 mL
Seed A
Sprouts: 0
Heat: Low (18°C)
Daily water: 70 mL
Seed B
Sprouts: 0
Heat: Low (16 °C)
IM
Daily water: 70 mL
Seed C
O A Use the same amount of light for all three trays.
OB. Use the same type of seeds in all three trays.
OC. Turn the heat to high under all three trays
OD. Use three different amounts of water and heat for the three trays
Sprouts: 0
2 Heat: Low (16 °C)
Answers
Answer:
so probably the heat environment goes up and then goes down I don't know
A. What are 2 regions where jellyfish populations have increased?
B. What are 3 regions where jellyfish populations have decreased?
Answers
Jellyfish increase in the West of Denmark when the NAOI increases. Jellyfish decrease in the North of Scotland when the NAOI increases.
Is jelly fish a real fish?
Due to the fact that jellyfish do not fit the definition of a fish, they are not listed. Remember that a fish should have gills, fins, and a spine, all of which a jellyfish lacks.Thousands of tiny barbed stingers can be found on the lengthy tentacles that the jellyfish leaves behind, which can inject venom. Jellyfish stings typically result in immediate pain and red, swollen skin markings. More systemic (whole-body) disease (may) result from some stings. Furthermore, they can occasionally be fatal.Jellyfish that have washed ashore on the shore should never be touched. The venom in the tentacles of dead jellyfish can still sting when it comes in contact with them.In contrast to humans, jellyfish do not experience pain in the same manner. They lack a heart, brain, bones, and breathing system. They are made up of 95% water, and the only neurons they have are in a simple network that allows them to detect their surroundings.To learn more about jelly fish refer to:
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Design an experiment using a seedling and a block of agar soaked with auxins that might con firm the effect of this hormone on the elongation of the coleoptile. (Hint: Remember that the auxins are permeable to the agar material.)
Answers
Answer:
Grow the seedlings of oats for Avena coleoptile test in a petri plate and let them germinate in light, so that the coleoptile forms with leaves.Cut the coleoptile stem and add agar block of auxin with different concentrations in all different oat seedlings and expose them to sunlight.Then observe the amount of bending of coleoptile stem towards the light in different samples added with different amount of auxin in the agar slab.
Explanation:
Cultivate oat saplings in a petri dish for the Avena cotyledon experiment and let them germination in light until the coleoptile develops with branches.
Cut the coleoptile stems and place an agar blocks with varying quantities of auxin in each of the oat saplings before exposing them to sunlight.
Next, in separate samples with varied amounts of auxin inside the agar slab, examine the degree of bending of the coleoptile branch more toward the sunlight.
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92ml 3.0 fl oz what is the ratio
Answers
The ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.
To find the ratio between 92 mL and 3.0 fl oz, we need to convert the units to a common measurement. Let's convert 3.0 fl oz to milliliters (mL).
1 fluid ounce (fl oz) is equal to approximately 29.5735 milliliters (mL).
Therefore, 3.0 fl oz is equal to 3.0 * 29.5735 = 88.72 mL (rounded to two decimal places).
Now we can express the ratio between 92 mL and 88.72 mL:
92 mL : 88.72 mL
Simplifying the ratio by dividing both sides by the greatest common divisor, we get:
46 : 44
So, the ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.
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Which of the following was most likely responsible for the fact that organic molecules no longer spontaneously form on Earth?
The amount of UV radiation increased.
The amount of oxygen in the atmosphere increased.
Water accumulated in the oceans.
Earth's surface temperature warmed.
Answers
Answer: The amount of oxygen in the atmosphere increased.
9th grade biology sem 2 / please help i'll rate you the brainiest
3. How do the mutations in your model relate to what you know about mutations.
4.RESEARCH: Research mutations and find out if they are mostly good and add to the advancement of the organism or if they are mostly harmful resulting in the damage or possible death of the organism, or if they are neutral having no effect on the organism. Give statistics and cite your source.
Answers
Answer:
3. To identify dominant mutations, breed the
mutant individual to a wild-type individual.
Dominant mutations will be visible in the F1
4. The statement that correctly identifies how a
genetic mutation affects an organism is that
mutations can alter or stop the production
proteins in a way that either alters the
appearance or quality of life of an organism.
Explanation:
A genetic mutation occurs at the molecular
level, in the DNA, and consists of the change of
a specific sequence of nucleotides in the
nucleic acid.
Since the sequence of DNA bases determines
genetic information necessary for the synthesis
of specific proteins, changes in the sequence
can produce alterations in structural and
functional proteins -due to changes in the
sequence of amino acids or incomplete
synthesis- that affect the appearance or
functioning of a living being.
The other options are not correct because:
Although some mutations go unnoticed,
most can cause alterations in organisms.
Not all mutations are harmful or lead to
premature death.
Mutations do not produce new abilities.
Explanation:
Which hormone is responsible for the development of the male secondary sex characteristics?
O estrogen
O progestin
O progesterone
testosterone
The answer is D on 2021 edge :)
Answers
Answer:
Testosterone
Explanation:
The hormone that is responsible for the development of the male secondary sex characteristics is testosterone, which is the last option as testosterone is a steroid hormone produced primarily in the testes of males.
What is the significance of testosterone in males?Testosterone plays a crucial role in the development and maintenance of male sexual characteristics that have positive influence on body. It induces the development of sperm, and in puberty, it triggers the development of the male secondary sexual characteristics, which affect many aspects of male health and well-being, including bone density, so testosterone is important.
Hence, the hormone that is responsible for the development of the male secondary sex characteristics is testosterone, which is the last option as testosterone is a steroid hormone produced primarily in the testes of males.
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How does adenosine triphosphate (ATP) become adenosine diphosphate (ADP)?
ATP stores energy as a phosphate bond is formed.
ATP releases energy as a phosphate bond is formed.
ATP releases energy as a phosphate bond is broken.
ATP stores energy as a phosphate bond is broken.
Answers
The correct answer is ATP releases energy as a phosphate bond is broken.
ATP (adenosine triphosphate) is converted into ADP (adenosine diphosphate) when a phosphate group is removed from ATP, resulting in the release of energy. This process is known as hydrolysis, where water molecules are used to break the bond between the terminal phosphate group and the rest of the molecule.
During cellular metabolism, ATP serves as the primary energy currency of the cell. When energy is required for various cellular processes, the phosphate bond in ATP is broken by an enzyme called ATPase. This enzymatic hydrolysis reaction cleaves off one of the phosphate groups, resulting in the formation of ADP and an inorganic phosphate molecule (Pi). The released phosphate group is then available to be used in other cellular reactions.
The conversion of ATP to ADP is an essential part of energy metabolism in cells. The energy released during this process is utilized to drive various cellular activities, such as muscle contraction, active transport of molecules across cell membranes, and synthesis of macromolecules. Once ATP is converted to ADP, it can be further hydrolyzed to AMP (adenosine monophosphate) if more energy is needed. Ultimately, the energy stored in ATP is released when the phosphate bond is broken, allowing cells to perform their vital functions.
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An energy pyramid is shown below.
secondary
consumers
tertiary
consumers
primary
consumers
producers
What does the energy pyramid demonstrate?
OA. A great amount of energy is gained moving up the energy pyramid.
OB. Energy is not transferred between organisms in an ecosystem.
OC. The same amount of energy is available at every level of the energy pyramid.
OD. A great amount of energy is lost traveling up the energy pyramid.
Answers
The energy pyramid demonstrate a great amount of energy is lost traveling up the energy pyramid.
The energy pyramid demonstrates that as you move up from the producers (bottom level), which convert sunlight into energy through photosynthesis, to the primary consumers (herbivores), to the secondary consumers (carnivores that eat herbivores), and finally to the tertiary consumers (carnivores that eat other carnivores), there is a decrease in available energy.
This is because energy is lost at each level through processes such as respiration, heat loss, and waste. Therefore, the top predators of an ecosystem have access to the least amount of energy.
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What are the Mendelian inheritance principles?
Answers
The Mendelian inheritance principles are called the Law of Segregation, the Law of genetic Dominance and the Law of Independent Assortment.
What are the Mendelian genetic inheritance principles?The Mendelian genetic inheritance principles are a series of laws that dominate genetic patterns of inheritance which were discovered by Gregor Mendel who investigated inheritance in pea plants.
The Law of Segregation indicates that alleles separate in different gametes when they are not linked, and the law of dominance indicates that certain alleles mask the expression of recessive alleles in heterozygous individuals. Moreover, the Law of Independent Assortment is based on genes that are located on different chromosomes.
Therefore, with this data, we can see that the Mendelian genetic inheritance principles are fundamental to understanding inheritance patterns and they were discovered by Gregor Mendel working with different traits in the pea plant.
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8. Metamorphic rocks are created through a change in the rock's original structure.
A. What are three types of change that occur in the process of metamorphism? (3 points)
B. What happens to the rock structure during each of type of change? (6 points)
Answers
A. Three types of change that occur in the process of metamorphism are:
RecrystallizationNeometamorphismDeformationWhat are the changes that occur in the rock structure?B. The changes that occur in the rock structure during each type of metamorphism are:
Recrystallization: This involves the growth of new crystals within the rock, while retaining the same mineral composition. During this process, the original crystal structure may be destroyed, and new crystals may form in a more tightly packed, interlocking arrangement. This type of metamorphism is common in sedimentary rocks, such as limestone, where the original mineral grains may be broken down and replaced by new crystals of calcite.
Neometamorphism: This involves the formation of new minerals from the original minerals in the rock. The temperature and pressure conditions during this process may be high enough to break down the original minerals and form new ones. This type of metamorphism is common in rocks that have been subjected to regional metamorphism, such as schist.
Deformation: This involves the physical alteration of the rock due to stress and pressure. The rock may be folded, faulted, or sheared, leading to a change in its shape and structure. During this process, the original mineral composition and texture of the rock may be preserved, but its physical structure will be altered. This type of metamorphism is common in rocks that have been subjected to intense tectonic forces, such as foliated metamorphic rocks like gneiss.
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what does prokaryotes and eukaryotic cells have in common
Answers
Answer:
They both have a cell membrane, ribosomes, cytoplasm, and DNA
which of the following is not a typical plasma protein? which of the following is not a typical plasma protein? fibrinogen globulins albumin erythropoietin
Answers
All the protein except erythropoietin are found in the blood plasma. Thus, option D is correct.
What are plasma proteins?The proteins which are present in the blood plasma are called as plasma proteins. They are consist of albumin, globulin, fibrinogen. They play very important roles including transport of hormones, lipids, vitamin, and minerals as well as they are responsible for proper functioning of Immune system.
Albumin create osmotic pressure and maintain it. and also transports insoluble molecules. Globulin play crucial role in immunity, and fibrinogen is responsible for blood clotting.
Therefore, erythropoietin is not a typical plasma protein, hence option D is correct.
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Describe the mangroves ecosystem and its role in sustaining the ecosystem in the food web or food chain
Answers
Mangroves are coastal ecosystems that provide habitats, food, and protection for various species, supporting the food web.
The mangrove ecosystem is a unique and highly productive coastal habitat characterized by mangrove trees, which are specially adapted to survive in saline environments. Mangroves are typically found in tropical and subtropical regions along sheltered coastlines, estuaries, and intertidal zones.
Mangroves are vital in sustaining the ecosystem by providing various ecological services. One of their significant contributions is their role in the food web or food chain.
They serve as a critical nursery and feeding ground for a diverse range of marine species. The intricate network of roots, known as prop roots, provides habitat, protection, and feeding opportunities for numerous organisms, such as fish, crustaceans, mollusks, and birds.
The mangrove leaves and detritus that fall into the water serve as a source of organic matter and nutrients, fueling the base of the food web. Decomposers and detritivores break down the organic matter, which is then consumed by various organisms.
Small organisms, like zooplankton and small fish, feed on the decomposers and detritivores, becoming prey for larger predators such as fish, birds, and reptiles.
Furthermore, mangroves act as a buffer against coastal erosion and storm surges, protecting shorelines and adjacent habitats. They also contribute to water filtration, nutrient cycling, and carbon sequestration, and provide a habitat for numerous endangered and migratory species.
In summary, the mangrove ecosystem plays a crucial role in sustaining the food web or food chain by providing habitat, nursery areas, and food sources for a diverse array of organisms. Their presence supports the productivity and biodiversity of coastal ecosystems, making them an essential component of coastal environments worldwide.
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A mutation causing an addition or a deletion of one base pair resulted in the production of a nonfunctional mutant protein. The sequences of the normal and mutant proteins are given below. Normal: Met - Tyr - His - Glu - Val Mutant: Met - Phe - Thr - Lys - Cys - Lys - Trp - Arg - .....
Was this mutation cause by an insertion or a deletion?
Answers
Answer:
Explanation:
The mutation was caused as a result of deletion of one letter of the codon A from tyrosine leading a shift in the reading frame.
Normal is
Normal - Met - Tyr -His- Glu- Val
Aug- Uac- Cac - Gaa -Gug
When a is removed from Tyrosine codon we have a shift in the reading frame to form a mutant with a new codon and protein.
Mutant - Met- Phe - Thr - Lys -Cys
Aug- Ucc- Acg - Aag -Ugu
Mutation is a sudden change in the genie of an organism that can be heritage by offspring from their parent.
Use your understanding of natural selection to explain how the mutations that occurred on Mc1r lead to the evolution of the rock pocket mouse?
Answers
Explanation:
The evolution of the rock pocket mouse is a great example of how natural selection can lead to the adaptation of a species to its environment. The mutations that occurred on the Mc1r gene allowed some individuals of the population to have a different fur coloration than the rest of the population. This new fur coloration provided a selective advantage to the mice living in the darker volcanic rock environment.
The darker fur of the rock pocket mouse provided camouflage against predators, allowing them to blend in with the dark rocks and avoid being seen. This made them less likely to be preyed upon by predators such as owls and snakes, which hunt by sight. As a result, the mice with the darker fur were more likely to survive and pass on their genes to the next generation.
Over time, as the population of the rock pocket mouse continued to be exposed to predation, the proportion of individuals with the darker fur coloration increased. This is because the individuals with the darker fur coloration were more likely to survive and reproduce, passing on their advantageous traits to their offspring. Eventually, the population became dominated by individuals with the darker fur coloration, and the rock pocket mouse became a distinct species.
This process, in which mutations that provide a selective advantage become more common in a population over time, is known as natural selection. In the case of the rock pocket mouse, the mutations that occurred on the Mc1r gene allowed the mice to adapt to their environment and avoid predation, ultimately leading to the evolution of a new species.
In northern blot analysis of mRNA, what mRNA differences would you anticipate for your two proposed mutational mechanisms? Check all that apply
Answers
Help label the muscle
Answers
Answer:
The ScreeShot should have everything you're looking for.
it's c because the type of muscle tissue matches with c
Red-green colorblindness is a sx linked trait. A normal vision female (who is also not a carrier) has a child with a colorblind male. They have a child. Which of the following are correct?
Select one or more:
All of their sons will be carriers for the colorblind trait.
All of their daughters will be colorblind.
All of their daughters will be carriers for the colorblind trait.
All of their sons will be colorblind.
The correct answer is:
All of their daughters will be carriers for the colorblind trait.
Answers
Answer:
a and b
Explanation:
it is just the explanation
At the crossing of two white sheep, a lamb with a black coat is born.
How can this apparent anomaly be genetically explained?
Answers
Answer:
The two white sheep could have genetics of its ancestors.
Explanation:
Lets use a punnett square (file attached)
W = White
w = Black
The parents of the baby sheep could still have the recessive trait (w) in the genes making a chance of the baby being black.
Select all that apply.
Parts of the inner ear include _____.
1. cochlea
2. lateral canal
3. auditory canal
4. semicircular canals
5. auricle
Answers
The inner ear is a complex structure responsible for the detection and transmission of sound and the maintenance of balance. It consists of several parts, each with a unique function. The following are parts of the inner ear:
1. Cochlea: The cochlea is a spiral-shaped, fluid-filled structure located in the inner ear. It is responsible for converting sound vibrations into electrical signals that can be interpreted by the brain. The cochlea contains hair cells that are vital for auditory perception.
2. Semicircular Canals: The inner ear contains three semicircular canals, known as the anterior, posterior, and lateral canals. These canals are responsible for detecting rotational movements of the head and contribute to our sense of balance. They are filled with fluid and contain hair cells that detect the movement of the fluid.
3. Lateral Canal: The lateral canal, also known as the horizontal canal, is one of the semicircular canals. It is oriented horizontally and detects movements of the head in a side-to-side direction.
4. Auricle: The auricle, also referred to as the pinna, is the external part of the ear that is visible on the side of the head. While the auricle is not technically part of the inner ear, it plays a role in collecting sound waves and directing them towards the ear canal.
The auditory canal, also known as the ear canal, is not part of the inner ear. It is the passageway that leads from the outer ear to the middle ear, allowing sound waves to reach the eardrum.
In summary, the parts of the inner ear include the cochlea, semicircular canals (including the lateral canal), and the auricle (though it is not technically part of the inner ear). The auditory canal, on the other hand, is part of the outer ear and leads to the middle ear.
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a. In normal operations, a buildup of ATP needs to slow down the both pieces of the
metabolic process. Using Le Chatelier's Principle, explain how a high concentration
of ATP would slow down both the process of removing H's from NAD and FAD as
well as the process of putting them on in the citric acid cycle.
Follow the impact of the ATP back through both pictures.
b. Suppose someone creates a drug that blocks the use of complex 2 and it becomes
impossible for FADH₂ to drop off its H's and it is trapped in the FADH₂ form.
How would that impact both the production of ATP and the reactions in the citric acid
cycle?
Again, you'll have to follow the impacts. What happens to concentrations and how
does that propagate to other equilibria?
Answers
Answer:
a. Le Chatelier's Principle states that when a system at equilibrium is subjected to a change in concentration, temperature, volume, or pressure, the system will shift its equilibrium position to counteract the effect of the change. In the case of ATP production in the citric acid cycle, a high concentration of ATP would shift the equilibrium position to slow down the production of ATP. This would slow down both the process of removing H's from NAD and FAD as well as the process of putting them on in the citric acid cycle.
b. If someone were to create a drug that blocks the use of complex 2 and makes it impossible for FADH₂ to drop off its H's and become trapped in the FADH₂ form, this would impact both the production of ATP and the reactions in the citric acid cycle. The inability of FADH₂ to drop off its H's would disrupt the flow of electrons through the electron transport chain, reducing the production of ATP. This would also affect the concentrations of other molecules in the citric acid cycle and could potentially propagate to other equilibria.
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Which of the following is "not" likely to cause a magnet to lose
its magnetism?
a. Striking it with a hammer.
b. Cooling it.
c. Dropping it repeatedly on the ground.
d. Heating it.
The magnetic field of a magnet is strongest
a. at its north pole.
b. at its south pole.
c. in the middle.
d. at both of its poles.
Answers
The answers include the following:
The following which is "not" likely to cause a magnet to lose its magnetism is cooling it and is therefore denoted as option B.The magnetic field of a magnet is strongest at at both of its poles and is denoted as option D.What is a Magnet?This is referred to as a material or object that produces a magnetic field and it has two poles which are the North and south poles in which the magnetic field of a magnet is strongest.
Cooling a magnet will not cause a magnet to lose its magnetism but instead the magnetism will increase because the molecules within the magnet will move slower because they have less kinetic energy so there is less vibration within the magnet's molecules thereby resulting in more concentrated magnetic field that strengthens the magnet.
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