A phenotype where only a single allele is sufficient for expression.
Polygenic traits are traits that are influenced by more than one gene such as height or skin color. Because multiple genes are involved, polygenic traits do not follow Mendelian inheritance patterns. A pleiotropic gene is a single gene that controls multiple traits. While studying the genetics of peas.
Gregor Mendel made an interesting observation regarding the colors of different parts of plants. Pleiotropy occurs when a gene affects two or more seemingly unrelated phenotypic traits. Genes that exhibit such multiple phenotypic expressions are called pleiotropic genes. The causative variant of the phenotype requires that two copies appear in an individual.
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An excess of carbon dioxide (CO2) in a chloroplast makes conditions there more acidic. Such a change can cause protein molecules in the cells to change shape and stop functioning. Which change is most likely to happen is a chloroplast contains to much CO2
A. A decrease in formation of chlorophyll in thylakoids
B. An increase in the amount of CO2 that the cell can absorb
C. An increase in the amount of O2 that the cell can absorb
D. A decrease in the formation of ATP by the light reactions
The change that is most likely to happen is a chloroplast contains to much carbon dioxide is decrease in the formation of ATP by the light reactions (option D).
What is the effect of excess carbon dioxide?This question is describing the process of photosynthesis, which is how green plants synthesize their food (sugar) in the chloroplast of their cells.
According to this question, too much of CO₂ will lead to the chloroplast being acidic, which will utterly cause protein molecules in the cells to change shape and stop functioning.
Enzymes that bring about the photosynthetic process in the chloroplast are composed of proteins. This means that the synthesis of ATP in the light reaction of photosynthesis will be disrupted because of deactivation of enzymes.
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Answer: A decrease in the formation of ATP by the light reactions.
When a motor unit is sufficiently stimulated, all of the muscle fibers in that motor unit will contract?
When a motor unit is sufficiently stimulated, all of the muscle fibers in that motor unit will contract is a true statement.
What is Motor unit?They are referred to as the smallest unit of the nervous system and comprises of muscle fibers which number about one to 1000 depending on various factors.
An example of a motor unit is known as soleus which is present in the lower leg and stimulation which is sufficient will result in muscle fibers contracting and being activated. This results in the production of maximum muscle force as a result which is why true was chosen.
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The full question is:
When a motor unit is sufficiently stimulated, all of the muscle fibers in that motor unit will contract? true/false
pleasseeeeeeeeeeeeee helppppp 12 points
The diversity of algal species is calculate for a coastal area before and after an oil spill
IV:
DV:
CV:
The diversity of algal species is calculated for a coastal area before and after an oil spill has independent water (before and after the oil disaster) and dependent-algal species diversity.
What is algal species diversity?The diversity of algae is taken into account at the levels of species richness, higher taxonomic ranks, the variety of ecosystems algae dominate, and their functional significance in the processes they mediate.Primarily aquatic - most algae live in water. In freshwater ponds, streams, lakes, brackish rivers, and oceans, they are typically found as plankton. Many aquatic animals eat plankton as food. Phytoplankton is the drifting algae.They are essential to aquatic habitats because they provide the food web's energy foundation for all aquatic creatures. Algae are autotrophic organisms that use photosynthesis to turn water and carbon dioxide into sugar.
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How would I fill in the Lillies and Nematodes?
Where does soil erosion occur?
Application: The enzymes in lysosomes are dangerous, and can’t be directly exposed to the cytoplasm. In the diagram
below, 7 represents a lysosome. Explain what has to happen for an enzyme to get placed inside a lysosome. Note that the
membrane (8) is not involved in this process.
First, the instructions…
Next,
After that, the smooth ER will
Following that, a vesicle will
At the Golgi,
Finally.
First, enzyme synthesis occurs following mRNA instructions. Next, enzymatic maturation occurs in the RER. After that, the SER sends enzymes and lipids to the Golgi complex into vesicles. The Golgi complex packages hydrolytic enzymes into lysosomes and sends them to thei destiny.
How are lysosomal enzymes synthesized and packaged?Let us remember that enzymes are proteins, so they follow the protein synthesis process.
1)
First, mRNA is synthesized within the nucleus by copying the DNA fragment that provides the necessary information for protein building.
2)
When mRNA leaves the nucleus forward to the cytoplasm, it meets a ribosome and starts protein-building. Ribosomes attached to the RER membrane are responsible for synthesizing membrane proteins, exportation proteins, or enzymes.
Proteins destined to become enzymes, membrane proteins, or exportation proteins start their growth in the cytoplasm, where a signal aminoacidic sequence is synthesized.
A signal-recognizing particle leads the synthesizing protein to the Rough endoplasmic reticulum. Once there, it continues protein building forward the reticulum lumen.
When the new protein synthesis is complete, the polypeptide is released into the reticulum lumen, suffering a few posterior steps related to conformation and structure.
The rough endoplasmic reticulum is in charge of protein folding to become functional, maturation, and transport. It produces the latest protein modifications after transduction and initiates the glycosylation process.
3)
Meanwhile, the smooth endoplasmic reticulum is in charge of lipid synthesis. These lipids are the ones that will compose the vesicle membranes in which proteins are packaged and the lysosome membranes.
4)
The new proteins get packaged into vesicles that carry them to the Golgi complex. Lipids are also sent to the Golgi complex.
5)
Once in the Golgi complex, occurs the final association of carbohydrates and lipids with proteins to originate glycoproteins and glycolipids.
This distribution center sends proteins to different regions in the cells. Among other functions, it concentrates and packages hydrolipic enzymes into lisosomes.
6)
Enzymes are packaged and sent from the Golgi complex to their final destiny into vesicles. Lisosomes are formed.
So, according to this sequence, we can answer the question.
First, the instructions for enzyme synthesis will be copied from DNA in the nucleus, where mRNA is synthesized.Next, mRNA will leave the nucleus. Enzymes synthesis will start in the cytosol and finish in the rough ER. The enzyme maturation stage will be completed there.
After that, the smooth ER will produce membrane lipids, and package the enzymes into vesicles.
Following that, a vesicle will reach the Golgi complex.
At the Golgi, hydrolytic enzymes will be packaged into lysosomes.
Finally, lysosomes will be released into the cytosol to accomplish their functions.
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A scientist is comparing ribosomes in a prokaryotic cell and a eukaryotic cell. Which is a property of the ribosomes from the eukaryotic cell only and not the prokaryotic cell?
Answer:he key difference between prokaryotic and eukaryotic ribosomes is that the prokaryotic ribosomes are 70S particles composed of 50S large subunit and 30S small subunit while the eukaryotic ribosomes are 80S particles composed of 60S large subunit and a 40S small subunit.. Prokaryotes and eukaryotes are two major groups of living organisms that differ from the cellular organization.
Explanation:
what are all the proteins of thin filaments.
Answer:
Myofilament
Nebulin
Tropomodulin
SYNPO2
What is the importance of
wetlands?
A. They have a high carrying capacity.
B. They act as natural water purification.
C. They make creating new habitats easy.
A. Wetlands have a high carrying capacity, meaning they can support a large number of species. This is due to the diversity of habitats within the wetland, providing numerous sources of food, shelter, and protection.
What is diversity?Diversity is the inclusion of individuals from different backgrounds, cultures, and experiences, including but not limited to race, ethnicity, gender, sexual orientation, age, language, physical and mental ability, religious beliefs, political beliefs, and socio-economic status.
B. Wetlands act as natural water purification systems, removing pollutants from water and providing a healthy environment for aquatic organisms. This helps to maintain a healthy balance between human activity and the environment.
C. Wetlands make creating new habitats easy, since they are naturally rich in biodiversity. This makes it possible for species to easily take up residence in the wetland, providing them with the resources they need to survive and thrive.
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26 1 point
Some bacteria can convert the milk to yogurt under the right conditions and produce acid while doing so.
Which of these processes would you expect to be key in the production of yogurt?
Cell Respiration
Lactic Acid Fermentation
Alcoholic Fermentation
Amino Acid Synthesis
Previous
Lactic Acid Fermentation is the processes we would expect to be key in the production of yogurt.
Fermentation is a natural process that can be used in a number of ways for wide variety of food products. Yogurt forms when bacteria ferment the milk sugar, known as lactose, into lactic acid. The lactic acid makes the milk more acidic (lower pH) causing the proteins to coagulate.
Yogurt is a product of the acidic fermentation of milk. The lactose in the milk is converted to lactic acid, which lowers the pH. The production of yoghurt is a relatively simple procedure. Milk, which can be fortified with milk powder to give a thicker product, is pasteurized, cooled and inoculated with starter bacteria, which ferment the milk, causing it to clot or gel.
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The structure of ATP is adenine, deoxyribose, and 3 phosphates. The energy used to do cellular work is harnessed by breaking the high energy deoxyribose bonds. true or false
It is false that the energy used to do cellular work is harnessed by breaking the high energy deoxyribose bonds.
What is ATP?ATP meaning adenosine triphosphate is a biological molecule is that is used as a source of energy in cellular reactions.
ATP is an energy carrier and the only usable form of energy by living cells.
ATP is made up of the following three components;
Adenine baseDeoxyribose sugar3 phosphate groupsEnergy is stored by the ATP molecule when a phosphate group is added to the ADP while energy is released for use when a phosphate bond is broken to form ADP.
The above explanation invalidates the statement that energy is released by the breaking of high energy deoxyribose bonds.
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Based on what you observed in the Seed Growth activity, what are some common patterns in germinations?
Hi I need help with this question please and thank u
a. The results of the cross between the fruit flies will be:
Rr, Rr, Rr and Rr.
What is the name given to biological catalysts?
Answer:
anenzyme is a biological catalyst and is almost protein.
What would the habitat of a plant
include?
A. the area around the plant above and below the
soil
B. 1 meter beyond where its roots extend
C. only the actual plant itself
Answer:
A
Explanation:
a habitat is simply the specific area something lives
The habitat of a plant would include the area around the plant above and below the soil. Therefore, option (A) is correct.
What is the habitat of plant?A plant's habitat consists of the region immediately surrounding the plant as well as the soil, water, air, and any other living species that interact with the plant. Because it encompasses the root system as well as the immediate vicinity of the plant, the area around the plant, both above and below the soil, is particularly significant due to the fact that it can have a significant influence on the amount of nutrients, water, and other resources that are readily available.
Additionally, the presence of other plants, animals, and microorganisms in the surrounding area can also have an effect on the habitat of the plant. This is because these other organisms can provide competition for resources, pollinators for reproduction, and predators or herbivores that may feed on the plant.
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During DNA replication, which enzyme performs each job listed below. Options for enzymes are ligase, DNA polymerase, and helicase.
Ligase is an enzyme that uses ATP to form bonds.DNA polymerase is a type of enzyme that mainly forms new copies of DNA. Helicases are enzymes that bind nucleic acid protein complexes.
DNA replication requires enzymes like DNA polymerase DNA helicase, DNA ligase. DNA ligases are crucial enzymes of DNA metabolism. The reaction they catalyze is required in DNA replication and in DNA repair pathways that require the re-synthesis of DNA. Helicases are defined as a class of enzymes that catalyze the separation of duplex nucleic acids into single strands in an ATP-dependent reaction and function in DNA modification processing.
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How are the equations for photosynthesis and cellular respiration related?
answer this question I will give those crown thingys and
please answer simplest way as possible
Answer:
In the case of cellular respiration, the photosynthesis equation is opposite. The reactants and products are modified in both processes.
Hope it helps! :)
do you think that the incubation period of all the animal is same? why?
Answer:
The incubation period, the time from the start of uninterrupted incubation to the emergence of the young, varies from 11 days (some small passerines and the black-billed and yellow-billed cuckoos) to 85 days (the wandering albatross and the brown kiwi).
HELP PLEASE! NOW! which pollutant had the least effect on plant growth?
Answer:
Pollutant A
Explanation:
It's not clear image but the bar graph shows that bar A is the smallest.
Describe how a cheese sandwich is broken down by the digestive system. (10 marks) You MUST include the following in your answer:Name at least 5 organs in the digestive system in the correct order. Write at least one sentence explaining what happens in each organ of the digestive system. Name two enzymes involved, where they are found and what they do. For a bonus mark, include examples of mechanical digestion.
5 organs of Digestive system :-
mouthstomach pancreassmall intestinelarge intestineWhat happens in each organ of the digestive system.
mouth - mastication of foodstomach - digestion of foodpancreas - secrete enzymessmall intestine - food absorption large intestine - water absorptionTwo enzymes involved
Amylase - breaks down complex carbohydratesProtease - breaks down proteinsThe human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion includes the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the frame.
The digestive system includes the mouth, pharynx , esophagus, belly, small intestine, massive gut, rectum, and anus. it is also the salivary glands, liver, gallbladder, and pancreas, which make digestive juices and enzymes that help the body digest food and beverages.
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Which is NOT a benefit of biodiversity?
A. clean air and water
B. natural gases
C. spread of agriculture
D. food
The variety of animals, plants, fungi, and even microorganisms like bacteria that created up our natural environment exist all included in what is known as biodiversity
What is meant by biodiversity?The variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural environment are all included in what is known as biodiversity. These various species and critters collaborate in complicated web-like ecosystems to keep things in balance and support life. The systems that sustain all life on Earth, including humans, depend on biodiversity. We cannot have the healthy ecosystems that we depend on to give us the air we breathe and the food we consume without a diverse variety of animals, plants, and microorganisms. People also appreciate nature in and of itself.The first tenet of the origin of modern biodiversity was established by Charles Darwin, who postulated that all species were connected by a single, vast phylogeny, or tree of life, and that all of them could be traced back to a single, original species that existed at some remote point in the geological past.To learn more about biodiversity refer to:
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Investigating Energy Systems
Harnessing Human Energy Chapter 1 Lesson 1.2
Reasoning Tool
Possible subclaims:
The Battery System does have energy.
or
The Battery System does not have energy.
The Hand-Crank Generator System does have energy.
or
The Hand-Crank Generator System does not have energy.
The Solar Cell System does have energy.
or
The Solar Cell System does not have energy.
Evidence
(observations about whether the system does or does not have energy)
This matters because . . .
(How does this evidence support the subclaim?)
Therefore, . . .
(subclaim)
The Possible subclaims in relation to Investigating Energy Systems is Option C: The Solar Cell System has energy.
The Evidence: As the sun shines on a solar panel, energy is captured by the PV cells on the panel. This Matters significant because it causes the flow of electricity by generating electrical charges that are accelerated by a shifting internal electrical field within the cell. Therefore, a solar cell system is one that has some amount of energy therein.
What is solar cell and its uses?A solar cell, also known as a photovoltaic cell, is an electrical device that uses the photovoltaic effect, a natural physical and chemical phenomena, to convert light energy directly into electricity.
Solar cells, commonly known as photovoltaic cells, convert sunlight directly into electricity. Solar cells are a reliable, small, and low-maintenance source of renewable energy. Solar cells frequently produce electricity in remote locations, allowing machinery to be powered far from the nearest electrical outlet.
Therefore, A photovoltaic (PV) cell, also known as a solar cell, can either reflect, as well as absorb, or pass via light that strikes it. The semiconductor material that makes up the PV cell is "semi" conducts electricity better than an insulator.
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what is being done to address the decreased air quality and smog problem? and what can be done? (in your own words please) *science*
There are numerous ways through which we can reduce the smog problem like turning the engine of car off, not burning garbage in open.
What is smog and how come it be reduced?Whenever we go out in winters in the early morning we can see the eyes not able to see things far , because of the opaque weather and whitish too , called fog.Fog is completely different from smog and have different causes and effects also.Smog is the pollution cause in the nature due human activities majorly that reduces the air visibility.We can try to reduce smog by preventing burning garbage in open, by planting more and more trees.Nitrogen oxide is the main component of smog which is harmful to health.To know more about smog visit:
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Which describes the formation of Horizon B?
forms at the surface
features parent material
undergoes the most change
forms due to decomposed material
The statement that describes the formation of horizon B is that it undergoes the most change (option C).
What are the soil horizons?Soil profile is a vertical cross-section of the soil, made of layers running parallel to the surface. These layers are known as soil horizons.
These different layers of soil are as follows:
TopsoilSubsoilParent rockThe subsoil or B horizon is the horizon present just below the topsoil (horizon A) and above the bedrock or parent material.
The horizon B layer is less organic (contains low humus) but is rich in minerals brought down from the topsoil. The subsoil undergoes significant changes.
Therefore, it can be said that the horizon B layer undergoes the most change.
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Answer: c. undergoes the most change
Explanation:
what type of body is favored in hot-dry climates
High-surface-area-to-volume ration
Low-surface-area-to-volume ratio
The type of body that is favored in hot-dry climates is option A: High-surface-area-to-volume ration.
Why choose the High-surface-area-to-volume ration?Larger animals retain more body heat in cold areas because they radiate less heat per unit of mass due to their lower surface to volume ratio than smaller animals.
Note that Body heat produced by metabolism requires to be swiftly expelled rather than kept by animals living in warmer regions.
Therefore, In hot and dry regions, the increased surface-to-volume ratio of smaller animals enables heat dissipation through the skin as well as aids in bodily cooling.
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Question 3(Multiple Choice Worth 3 points)
(02.06 MC)
What best explains the relationship between photosynthesis and cellular respiration?
~ The higher the rate of formation of products in respiration, the lower the rate of photosynthesis.
~ Photosynthesis depends on the carbon dioxide released during cellular respiration.
~ Cellular respiration depends on the water released during photosynthesis.
~ They have the same set of product molecules.
Photosynthesis depends on the carbon dioxide released during cellular respiration. Option C.
Glucose is then converted to carbon dioxide and used for photosynthesis. Water is broken down into oxygen during photosynthesis, but oxygen combines with hydrogen during cellular respiration to produce water. Cellular respiration is the process by which biofuels are oxidized in the presence of inorganic electron acceptors
Most aerobic respiration with oxygen occurs in the mitochondria of cells whereas anaerobic respiration without oxygen occurs in the cytoplasm of cells. During cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as by-products. In the absence of oxygen, pyruvate undergoes a process called fermentation.
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A single entity has been discovered that shows many of the characteristics of living things including growth, organization, and the ability to maintain homeostasis. However, because it does not reproduce, it is not considered a living thing.
True or false
Answer: False
Explanation: Reproduction can not be considered as a describing factor of living organisms.
for example: mule is a hybrid of female horse and male donkey which is a sterile animal
similarly in case of human beings there are several couples who can not have babies but they are living organisms.
Hence, Reproduction can not be counted as a defining property of living beings
You are performing a dissection and have discovered a fluid vessel, but you don’t know if it is from the cardiovascular system or from the lymphatic system. Finding which of the following features will confirm that this can only be a lymph vessel?
a. The presence of valves
b. The presence of three tunics (intima, media, and externa)
c. Designed to handle low fluid pressure
d. One-way flow of fluid
e. Presence of anchoring filaments f. Connection to the heart
The following features which will confirm that this can only be a lymph vessel include the following:
c. Designed to handle low fluid pressure
d. One-way flow of fluid
f. Connection to the heart.
What is Lymphatic vessel?This is referred to as the network of capillaries and tubes which are located throughout the body and transport lymph away from tissues. they are also involved in the collection and draining of lymph and it is usually done at the node region.
This type of vessel works under low pressure and allows the flow of fluid in only one direction. This is enhanced by the presence of the semilunar valves.
It is connected to the heart as it helps drain tissue fluid in order to maintain the steady-state interstitial fluid equilibrium thereby making it the correct choice.
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You know that all eleven body systems work together in the human body. What would happen if a system stopped working?
Answer: Every organ system is important for the body and if one of them stops working the entire body would collapse and be dysfunctional. After one system shuts down, the others would slowly start to shut down as well until the body can no longer maintain homeostasis and the person would slowly die.
Explanation: Some body systems work together to complete a job. For example, the respiratory and circulatory systems work together to provide the body with oxygen and to rid the body of carbon dioxide. The lungs provide a place where oxygen can reach the blood and carbon dioxide can be removed from it.
Answer:
The biological processes halt and one dies.
Explanation:
Biological operations are key to life.
What is insomnia? What are its symptoms? :-;
Answer:
Insomnia is a common sleep disorder that can make it hard to fall asleep, hard to stay asleep, or cause you to wake up too early and not be able to get back to sleep. You may still feel tired when you wake up.
Explanation:
hope this helps (❁´◡`❁)
insomnia is a common sleep disorder that can make it hard to fall asleep, hard to stay asleep, or cause you to wake up too early and not be able to get back to sleep. You may still feel tired when you wake up.
example:- me. if I sleep it's hard for me to wake up