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Related Questions
which macromolecule is involved in how hemophilia is passed
Answers
The macromolecule involved in how hemophilia is passed is DNA, specifically the genes carried on the X chromosome. The inheritance of hemophilia follows a pattern influenced by the presence or absence of the hemophilia gene on the X chromosome.
The macromolecule involved in how hemophilia is passed is DNA, specifically the genetic material carried on the X chromosome.
Hemophilia is an inherited bleeding disorder caused by a mutation in one of the genes responsible for producing clotting factors in the blood. The genes involved in hemophilia, such as the F8 gene (hemophilia A) or F9 gene (hemophilia B), are located on the X chromosome.
The X chromosome is one of the two sex chromosomes, with females having two copies (XX) and males having one copy (XY). Since hemophilia is a recessive trait, it typically affects males more often than females. This is because if a male inherits a defective X chromosome carrying the hemophilia gene, he will develop the disorder since he does not have a second X chromosome to compensate for the mutation.
In females, who have two X chromosomes, hemophilia can be passed on if they inherit a defective X chromosome from both parents. These females are carriers of the hemophilia gene and may not exhibit symptoms themselves but can pass the mutation to their offspring.
The inheritance of hemophilia follows a specific pattern, with affected males having an X chromosome with the hemophilia gene and unaffected males having a normal X chromosome. Female carriers have one normal X chromosome and one X chromosome with the hemophilia gene.
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What organelles are most directly involved in transporting materials out of the cell?
A. Nucleus and Ribosomes
B. Chloroplast and Mitochondria
C. Cell Membrane and Cell Wall
D. Golgi Apparatus and Cell Membrane
Answers
Answer:
C. Cell Membrane and Cell Wall
Explanation:
What kind of decomposers are found in all ecosystems
PLZ ANSWER IMMEDIATLY OR I WILL DIE!!! just kidding I won't die
Answers
Answer:
bacteria
Explanation:
hope this helps!! please mark brainliest :))
Answer:
Decomposers include bacteria and fungi. These organisms carry out the process of decomposition, which all living organisms undergo after death. Decomposition is an important process because it allows organic material to be recycled in an ecosystem.
Explanation:
Drag the tiles to the correct locations. The tiles can be used more than once.
Identify which type of reaction the feature occurs in.
light-dependent reactions
light-independent reactions
Feature
releases oxygen
fixes carbon dioxide
takes place in the stroma
takes place in the grana
produces ATP
Type of Reaction
Answers
The correct answers are:
Releases oxygen: Light-dependent reactions.Fixes carbon dioxide: Light-independent reactions (Calvin cycle).Takes place in the stroma: Light-independent reactions.Takes place in the grana: Light-dependent reactions.Produces ATP: Light-dependent reactions.The features mentioned correspond to specific steps or characteristics of photosynthesis, which is a process carried out by plants and some other organisms to convert sunlight into energy. Photosynthesis consists of two main sets of reactions: the light-dependent reactions and the light-independent reactions (also known as the Calvin cycle or dark reactions).
Now let's match the features with the appropriate type of reaction:
Releases oxygen:
This feature occurs in the light-dependent reactions. During the light-dependent reactions, water molecules are split, and oxygen gas (O2) is released as a byproduct.Fixes carbon dioxide:
This feature occurs in the light-independent reactions. The light-independent reactions utilize the energy and ATP generated in the light-dependent reactions to convert carbon dioxide (CO2) into carbohydrates through a process known as carbon fixation.Takes place in the stroma:
This feature occurs in the light-independent reactions. The light-independent reactions take place in the stroma, which is the fluid-filled space within the chloroplasts, specifically in the chloroplasts' inner membrane.Takes place in the grana:
This feature occurs in the light-dependent reactions. The light-dependent reactions take place in the thylakoid membranes of the grana, which are the stacked membrane structures within the chloroplasts.Produces ATP:
This feature occurs in the light-dependent reactions. The light-dependent reactions generate ATP (adenosine triphosphate) through the process of photophosphorylation, using light energy to convert ADP (adenosine diphosphate) into ATP.Type of Reaction:
Releases oxygen, takes place in the grana, and produces ATP: Light-dependent reactions.Fixes carbon dioxide and takes place in the stroma: Light-independent reactions (Calvin cycle).In conclusion, light-dependent reactions: Releases oxygen, takes place in the grana, and produces ATP, and light-independent reactions (Calvin cycle): Fixes carbon dioxide and takes place in the stroma.
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The features 'releases oxygen', 'produces ATP' and 'takes place in the grana' are associated with light-dependent reactions. The 'fixes carbon dioxide' and 'takes place in the stroma' features are attributed to light-independent reactions.
Explanation:In photosynthesis, two types of reactions occur, which can be categorized as light-dependent reactions and light-independent reactions. We can locate features to their corresponding categories based on their characteristics. The releases oxygen and produces ATP features are part of the light-dependent reactions, which take place in the grana. These reactions utilize light energy more than once to convert water and ADP (adenosine diphosphate) into oxygen and ATP (adenosine triphosphate).
On the other hand, the fixes carbon dioxide feature is part of the light-independent reactions which take place in the stroma. This is where the carbon dioxide is fixed into glucose, a form of sugar, using the ATP produced in light-dependent reactions.
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Which type of membrane protein contains a molecular trigger that is used to set off cellular responses?
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Answer:
Plasma membrane
Components of Plasma Membranes. The plasma membrane protects the cell from its external environment, mediates cellular transport, and transmits cellular signals.
Which of the following is a correct difference between RNA and DNA?
1. RNA is single stranded and DNA is double stranded
2. RNA is double stranded and DNA is single stranded
3. DNA uses Uracil and RNA uses Thymine
4. RNA has deoxyribose and DNA has ribose
Answers
Answer:
Chupapi munyano
Explanation:
Answer:
The answer is A. RNA is single stranded and DNA is double stranded
Hope this helps!!
Plsss help me this due is tonight plsss
Answers
Explanation:
whatever the trait is, I'm just going to use tall as an example
1. phenotype=
Tall: Short
4:0
2.phenotype=
Tall: Short
4:0
3.phenotype=
Tall: Short
4:0
4.phenotype=
Tall: Short
3:1
5.phenotype=
Tall: Short
2:2
On the model of mitchondrion, highlight the area (arrows) that is the ELECTRON TRANSPORT CHAIN in yellow.
Place an X over the protein that is inhibited by cyanide.
Color the phospholipid bilayer blue.
A special protein called ATP synthase generates ATP. Find it on the diagram and color it red
Answers
The electron transporter chain is the sequence of redox reactions that occur in the mitochondrial membrane as electrons flow through different electron transporters resulting in energy production. In the attached files you will find the image with the colored structures.
What is the electron transporter chain and how does cyanid inhibit it?
The electron transporter chain is a series of molecules and proteins located in the internal mitochondrial membrane. It constitutes a series of enzymatic reactions to release and save energy for the organism’s correct functioning.
Along the chain, there are four proteinic complexes in the membrane that contain the electron transporters and the enzymes necessary to catalyze the electrons' transference from one complex to the other.
Different redox reactions occur to pass electrons from NADH along the chain.
Released energy creates a proton concentration gradient used to synthesize ATP.
Cytochrome oxidase (P450) is one of the enzymes involved in this electron transport, which ends in producing energy. It is the complex IV.
Ion cyanide is a powerful cellular poison that inhibits cellular respiration by binding to the ferric ion of cytochrome oxidase.
Cyanide-ferric binding inactivates the enzyme and blocks electron transference. The chain is interrupted, leading to no oxygen consumption and no ATP production.
Since muscles do not get to have ATP as a source of energy, they weaken.
The interruption of the electron transporter chain produces an anaerobic state that could be culminating.
In the attached files you will find the image with the colored structures. Complex IV is the one affected by cyanide.
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Which statement describes the difference between a scientific theory and a
scientific law?
A. A scientific theory is an explanation supported by multiple tests
and observations, while a scientific law is a description of a
pattern or relationship.
B. A scientific theory is an educated guess about the cause of a
phenomenon, while a scientific law is a confirmed fact about the
cause.
C. A scientific theory is an established fact known by scientists, while
a scientific law is an explanation still being investigated or
observed.
D. A scientific theory is a well-supported hypothesis used in
investigations, while a scientific law is a series of procedures used
to test a theory.
Answers
Answer:
A. A scientific theory is an explanation supported by multiple tests and observations, while a scientific law is a description of a pattern or relationship.
Explanation:
Answer:
Explanation:
A. A scientific theory is an explanation supported by multiple testsand observations, while a scientific law is a description of apattern or relationship.
In simple words:
A scientific theory explains why things happen, backed by evidence, while a scientific law describes what happens, based on consistent observations.
Hope it helps!! :)
What can humans do to make the renewable forest resources last longer?
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Answer:
Sustainable forestry practices: This involves using techniques such as selective logging and reforestation to ensure that forest resources are used in a responsible and sustainable manner, without damaging the ecosystem.
Protection of forests: Protecting forests from illegal logging, fires, and other forms of destruction can help to ensure that these resources remain intact for future generations.
Reduced deforestation: Deforestation is a major contributor to the loss of forest resources, so reducing deforestation is crucial in maintaining forest cover. This can be achieved by promoting sustainable agriculture and other land-use practices that reduce the need to cut down forests.
Efficient use of forest products: Making more efficient use of forest products, such as paper and wood, can reduce the amount of resources required and help to extend their lifespan.
Increased reforestation: Planting new trees can help to replace those that have been lost, and increase the overall forest cover.
Restoration of degraded forests: Restoring degraded forests can help to rebuild the health of these ecosystems and support the recovery of forest resources.
Explanation:
Answer:
Reducing the use of forest resources can enable humans to make it last longer.
Explanation:
A reduction in the use of forest resources can help with the mitigation process. Mitigation can be defined as the reduction of loss during any natural disaster. Forest is a rich source of oxygen, so we have to be very careful about the conservation of forest resources. It also serves numerous others functions like it can be used as a shelter for different animals and birds. We have to minimize the use of forest products.
describe how the mammalian heart is adapted to it's function
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Answer:
The ventricles are thick walled; to pump blood to the lungs and the rest of the body. The left ventricle has thicker wall to create more pressure because it pumps blood for longer distances round the body; while the right ventricle pumps blood to the lungs close to the heart.
write some differences between unisexual and bisexual organisms
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Answer:
Unisexual and bisexual organisms are differentiated based on the reproductive systems they posses. Unisexual organisms have separate sexes male or female. Male and female reproductive systems are present in different individuals hence unisexual organisms produce male or female gametes but never both. Bisexual organisms have both male and female reproductive systems within the same individual. Hence, they are capable of producing both types of gametes. Some flowers are unisexual, and they possess only pistils or stamens. Some flowers are bisexual, and they possess both stamens and pistils together. This is the difference between unisexual and bisexual organisms.
A population of large cats live in a mountainous region. A small portion of the population
becomes separated and isolated from the main group for thousands of years. The two
populations are now identified as two
different species.
1) Which statement BEST describes this relationship?
es
A) Differentiation occurred as the cats were separated.
B) The two species have adapted after years of cólpetition.
Eliminate
as © Speciation occurred as the cats were separated.
D) The two species merged into a common ancestor.
Answers
Answer:c) speciation occured as the cats were seperated
Explanation: i got it right :)
Answer:c
Explanation: I got that right
In your own words explain why the sky is blueI
Answers
Answer:
As white light passes through our atmosphere, tiny air molecules cause it to 'scatter'. The scattering caused by these tiny air molecules (known as Rayleigh scattering) increases as the wavelength of light decreases. ... Therefore, blue light is scattered more than red light and the sky appears blue during the day.
Explanation:
Thank You I hope it's helpfull...
A research biologist is studying cells from a new organism recently discovered in the Brazilian rain forest. She determines that the typical cell contains a total of 10 chromosomes. How many possible combinations of chromosomes could this organism produce as a result of independent assortment? Assume the organism reproduces sexually
Answers
Answer:
(2⁵)²: 1024 combinations
Explanation:
In this case, the chromosome haploid number (n) of the target species is equal to 10, and therefore its diploid number (2n) is equal to 5 (i.e., somatic cells in the target species contain 5 pairs of chromosomes). That means that one individual can produce 2⁵ or 32 different gametic combinations. Moreover, the number of possible combinations that emerge from paring different gametes (sexual reproduction) can be calculated as (32)² = 1024 combinations.
functions of viruses
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1. Replication: Viruses are capable of replicating themselves within a host cell.
2. Transmission: Viruses can spread from one host to another, either through direct contact or through a vector such as a mosquito or tick.
3. Disease: Viruses can cause a variety of diseases in humans, animals, and plants.
4. Evolution: Viruses can evolve over time, leading to the emergence of new strains that may be more virulent or resistant to treatment.
5. Research: Viruses are often used in research to study basic biological processes, develop new treatments, and create vaccines.
Answer:
reproduction to make copies of itself.ecological regulation of lake carbon cycling process.they drive microbial evolution.influence global biogeochemical cycles .to deliver it's genome into the host cell to allow it's expression (transcriptipn and translation) by the host cell.Which of the following best matches a part of a living cell with the function it performs?
Cytoplasm: green structure inside plant cells
Nucleus: green structure inside plant cells
Cytoplasm: directs all of the cell's activities
Nucleus: directs all of the cell's activities
Answers
Answer:
Nucleus: directs all of the cells activities
=~
Explanation:
I took the exam and its correct!! I take FLVS this is the 4.00 Pretest or 4.01 for science right? Any who I got it right so go get em babes!!
Pls help me i only know the answer but I don’t know how to explain it.
Answers
Answer:
just explain
Explanation:
just do it
what is biology ? definition of biology
Answers
Answer:
The study of living organisms divided into many specialized fields that cover their morphology physiology anatomy behavior origin and distribution
What are some organism that have evolved in modern times
Answers
Green Anole Lizards Adapted to an Invasive Species. ...
Salmon Adapted to Human Interference. ...
Bedbugs Adapted to Pesticides. ...
Owls Adapted to Warmer Winters.
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YOU HAVE 5 MINUTES!!!!
Design an easy do-it-yourself compost bin that can be put (exnfe ffpao)
together at home. You can describe it, draw and label it, or both!
Include the following in your design:
• drawing or description of design
• materials used for the bin
• size of the bin
• substances used to fill it
• household items that can go in it
• how long it takes before it is ready
• how you use the compost
2)
Compost bin design: Add these household items to
your compost bin:
Compost is ready to use in this
much time:
Use your compost this way:
Answers
A description of the compost bin that can be used for this experiment is that the bin is a rectangle-shaped container that is made of wood. This container is 150 cm wide and 30 cm deep. It can hold up decaying materials for up to one month.
How to use the compostThe compost can be used to store decaying materials that will be used in a nearby farm for manure. Composting is the act of storing up decomposable materials that remain in a container until they are ready for use.
The compost so obtained can be used to improve the fertility of the soil where crops will be planted.
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Which statement is true about Jupiter
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Select the correct answer.
Death Valley in eastern California is one of the driest places on Earth. The animals living in this region are adapted to survive for days without water. What is most likely the limiting factor for most organisms adapted to this region?
A.
precipitation
B.
soil depth
C.
sunlight
D.
wind
Answers
Answer:
B
Explanation:
What is the correct series of steps for the movement of energy in an ecosystem?
Answers
Answer:
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another; the levels in the food chain are producers, primary consumers, higher-level consumers, and finally decomposers.
Explanation:
Answer:
The flow of energy is always unidirectional. The energy passes from primary producers to primary consumers. From the primary consumers, the energy is passed to secondary consumers and then to tertiary consumers. Thus the energy pyramid is always upright.
Explanation:
Explain why genetic variation is necessary for natural selection to occur. Include an explanation of how it affects individuals' likelihood of surviving and reproducing.
Answers
Answer:
Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population. Genetic variation is caused by: mutation
Explanation:
Ecologists are interested in quantifying different kinds of biodiversity. In below study outlined here, which kind of biodiversity are ecologists studying?
Ecologists establish 20 small areas, called plots, randomly scattered across a California grassland. They count the number of different plant species present in each plot. By noting how many species appear in the plots, the ecologists are able to estimate the number of species in the entire grassland.
a. Genetic diversity
b. Functional diversity
c. Ecosystem diversity
d. Species diversity
Answers
Answer:
d. Species diversity
Explanation:
The species diversity can be measured by:
Species richness: Refers to the number of species are inhabiting a defined area. Species abundance: Describe the distribution of the species abundance.Species richness is the number of species present in a sample, within a community, habitat or microhabitat, ecosystem, landscape, region or any well-defined spatial unit. It is a metric for measuring biodiversity which simplicity and easy interpretation make it a standard metric. It is the simplest and straightforward measure of biodiversity. It is just a count of species, with no need for abundance data. In some cases, this can be the cause of criticism, as it ignores information about the species-abundance distribution.
need answers to 9 and 10
please help!!
Answers
Three disadvantages of cloning.
Cloned animals might not live as long as animals that are not clones.Cloning is a complex and expensive process.Cloning can result in a reduction in genetic diversity, which can make a population more susceptible to diseases and environmental changes.What is the process of cloning?The process of cloning is described as follows:
A nucleus and an egg cell come from a body cell of animal A with its nucleus removed comes from animal B.
An enucleated egg cell from animal B is taken and the nucleus is removed.
The nucleus with DNA from animal A is placed in the enucleated egg cell from animal B.
The cell from animal A with its DNA develops into an embryo.
The embryo develops into a baby animal that is a clone of animal A.
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A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes S^AS^A S^AS^B and S^BS^B respectively in a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4
Answers
Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.
What is Hardy-Weinberg equilibrium?The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.
Assuming a diallelic gene,
Allelic frequencies
The frequency of the dominant allele f(X) is pThe frequency of the recessive allele f(x) is qGenotypic frequencies
p² (Homozygous dominant genotypic frequency), 2pq (Heterozygous genotypic frequency), q² (Homozygous recessive genotypic frequency).The addition of the allelic frequencies equals 1
p + q = 1.
The sum of genotypic frequencies equals 1
p² + 2pq + q² = 1
In the exposed example,
Alleles Frequencies
S^A f(S^A) = p = 0.6S^B f(S^B) = p = 0.4Genotypes
S^AS^A ⇒ homozygousS^AS^B ⇒ heterozygousS^BS^B ⇒ homozygousWe need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).
Genotypic and Phenotypic frequencies
F(S^AS^A) = p² = 0.6² = 0.36
F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48
F(S^BS^B) = q² = 0.4² = 0.16
Number of individuals expressing each phenotype
S^AS^A ⇒ 0.36 x 175 = 63 individualsS^AS^B ⇒ 0.48 x 175 = 84 individualsS^BS^B ⇒ 0.16 x 175 = 28 individualsYou can learn more about the Hardy-Weinberg equilibrium at
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Complete question
A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes
S^AS^A S^AS^B and S^BS^BIn a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.
Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working
HELP HELP HELPPP
10. Water breaks down into hydrogen and oxygen as shown in the
balanced equation below.
2H2O + 2H2 + O2
Which best supports the Law of Conservation of Mass based on is shown in the
equation?
A. The amount of hydrogen is doubled during the reaction.
B. One atom of oxygen appears on both sides of the equation.
C. Four atoms of hydrogen appear on both sides of the equation.
D. Two molecules of water break down into two hydrogen and
two oxygen molecules.
Answers
Answer:C
Explanation:
ion even i need help fr
Answers
For photosynthesis:
Light-dependent reactions
Overall Purpose - Capture energyLocation ; ThylakoidReactant Product ; H₂O ---> O₂Light-independent reactions
Overall Purpose - Make sugarLocation - StromaReactant Product - CO₂ ---> C₆H₁₂O₆What are the reactions of photosynthesis?The reactions of photosynthesis are the reactions by which green plants make sugar molecules from carbon dioxide and water molecules present in the atmosphere using the energy of sunlight.
The reactions of photosynthesis occur in two stages:
light-dependent stagelight-independent stageThe light-dependent reactions of photosynthesis occur in the presence of sunlight and result in the splitting of water molecules, the production of ATP, as well as the production of the reducing equivalent NADPH.
The light-independent reactions are reactions in which carbon dioxide is added to the five-carbon molecule UDP ribulose-5-phosphate in a series of reactions involving three-carbon molecules to form glucose.
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