why do x-linked conditions appear more frequently in males than in females?
Answer:
Because, with females, who have two x-chromosomes, meaning both parents (mother and father) have to pass down alleles for the condition, and males only need one parent (mother) to pass down the condition for the male to have the mutation
X-linked conditions appear more frequently in males than in females because:-
In males there is only one X chromosome.Any X linked condition will appear in males as there will no other X chromosome to dominate it.In female there are two X- chromosome. If any one of the two X chromosome has defect other chromosome will dominant it and will the female will act as a carrier.What are X linked disorder?X-linked disorders are caused by variants in genes on the X chromosome, one of the two sex chromosomes in each cell. In males who have only one X chromosome, an alteration in the only copy of the gene in each cell is sufficient to cause the condition.
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The kind of gene whose product interacts with other nucleotide sequences to affect their transcription or translation is a _____ gene.
Answer:
constitutive gene.
Explanation:
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The failure of homologous chromosomes to separate properly during meiosis
s called
a. Hondisjunction
C. Autosomnes
b. Crossing Over d. Karyotype
Answer:
Nondisjunction
Explanation:
Nondisjunction occurs when homologous chromosomes or sister chromatids fail to separate during meiosis, resulting in an abnormal chromosome number.
What would happen if I jump out of a plane without my parachute
Answer:
umm you would not live
Explanation:
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Is light an essential condition for germination ?
why or why not ?
gamsahamnida
Answer:
No
Explanation:
Conditions necessary for germination are :
Temperature/Warmth
Oxygen/Air
Water/Moisture
Which membrane component is a glycoprotein?
ОА
ОD
ОB
ОC
Answer:
oc
Explanation:
which fish is born in fresh water but spawns in salt water?
Answer:
anadromous fish is born in fish water and spwan in salt water
Complete the following sentence: Environmental science can answer questions about _____________by analyzing and observing the world and testing ideas about it. physical laws moral values philosophy and art natural phenomena
Answer:
d
Explanation:
Environmental science can answer all the questions about natural phenomena by analyzing and observing the world and testing ideas about it. Thus, the correct option is D.
What is Environmental Science?
Environmental science is an interdisciplinary academic field of science which integrates different disciplines such as physics, biology, and geography to the study of the environment as a whole, and the solution of environmental problems. Environmental science has emerged from the fields of natural history and medicine during the Enlightenment period.
Environmental science has the ability to answer all the questions about the natural phenomena by the analysis and observation of the world and by testing the ideas about it.
Therefore, the correct option is D.
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how do mitochondria generate and store the energy used to produce most of the atp made during aerobic respiration
Answer:
The citric acid or Krebs cycle processes in the matrix of mitochondria produce a molecule called NADH. NADH is then converted to adenosine triphosphate by enzymes buried in the mitochondrial inner membrane (ATP). Energy is stored in the form of chemical bonds in ATP.
Explanation:
During aerobic respiration, how is ATP created in the mitochondria?Oxidative phosphorylation produces the majority of the ATP produced by aerobic cellular respiration. By pumping protons across a membrane, the energy released by the O2 is utilized to create a chemiosmotic potential. This potential is subsequently used to activate ATP synthase, which converts ADP and phosphate groups into ATP.
What is the mechanism by which mitochondria store energy?Mitochondria (plural: mitochondrion) are membrane-bound cell organelles that provide the majority of the chemical energy required to fuel the cell's metabolic activities. Adenosine triphosphate is a tiny molecule that stores chemical energy created by mitochondria (ATP).
What is ATP's energy storage mechanism?The energy currency of the cell is ATP, or adenosine triphosphate. It retains the energy created during cellular respiration when glucose is oxidized. Energy is stored in the form of high-energy phosphate bonds, which are broken to release energy. Energy is released when ATP is broken down into ADP and Pi.
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An environmental factor such as storms and extreme heat or cold that affects
population regardless of their density
Answer:
density-independent factor
Explanation:
density-independent factor, also called limiting factor, in ecology, any force that affects the size of a population of living things regardless of the density of the population (the number of individuals per unit area).
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An environmental factor such as storms and extreme heat or cold that affects population regardless of their density are known as density- independent factors.
What are density- independent factor?Density- independent factors are type of limitation factors that affects the population size in specific environment regardless of the density of that population.
Density of population can be defined as number of individuals per unit area.
Here storms and extreme heat are the limiting factors that reduces the population size regardless pf their density.
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What happens yo DNA as the cells prepares to divide
DNA Synthesis
In preparation for cell division, the cell makes a replica of its entire DNA. This happens during the S, or synthesis, phase of the cell cycle. Mitosis is the division of one cell into two cells that each has a nucleus and the same amount of DNA as the original cell.
Hey this doesn’t make sense to me
Answer and Explanation:
The question is asking you any ingredients which are plants but contains in a pizza. It also said that it could include plants that are fed to animals so for example, beef is on top of the pizza then you can write grass.
What are 4 characteristics of a non renewable source
Answer:
There are four major types of nonrenewable resources: oil, natural gas, coal, and nuclear energy.
Explanation:
A laboratory cat could be made to twitch its whiskers by direct stimulation of the ________ lobes of the cerebral cortex.
How can you determine if a bacterium is being killed by an antibiotic or if its growth is simply being inhibited
Answer:
"You need to take a swab from the zone of inhibition and use it to inoculate a new plate without the antibiotic. If the organism grows then it was simply held in a static state by the antibiotic."
Explanation:
All nine essential amino acids can be found in meat. By employing the nutritional principle of complementarity, a vegetarian gets all nine. What is complementarity
Answer:
All 9 essential amino acids can be found in meat. By employing the nutritional principle of complementarity, a vegetarian gets all nine. What is complementarity? Combining foods that complement each others essential amino acids.
Explanation:
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Biology A Semester Exam
4 of 284 of 28 Items
You find a blog post written by a student on a university website about photosynthesis. Assess the reliability of this source.(1 point)
It may be reliable because the blog has been featured on a popular website.
It may be reliable because they cited multiple high-quality studies from scientific journals.
It may be reliable because other students verify the information in the blog.
It may be reliable because they cited other student blogs.
A student's post on photosynthesis can be reliable because he cited multiple high-quality studies from scientific journals.
When we research to show that a hypothesis or idea is true, we need to give it reliable support so that people who read our research trust the conclusions of our research, and it is considered as true knowledge.
To give reliable support to an investigation, it is necessary to resort to feasible arguments or true knowledge developed by researchers and specialists. For this, we must consult sources of reliable information.
Examples of reliable sources of information are:
International scientific journalsUniversity researchProven scientific evidenceSpecialized booksAccording to the above, what the student must do so that his publication is reliable for other students is to cite reliable sources so that the knowledge he is sharing is reliable.
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Answer:
IT may be reliable because they cited multiple high-quality studies from scincetific journals
Explanation:
Well, we know that this person knows their stuff and has been helpfull to others in the past!
let's give an example of a man, Jorge who has a reputation for helping others and donating to charity.
Tomorrow you're leaving for a week on a business trip and you need someone to watch your house, that is one truthful and is trusting.
We have Bob down the street that is a bloger and has many followers.
The mailman, Carson that everyone likes.
someone random online will watch the house.
Are you going to trust Jorge- the person who helps everyone
Bob- the bloger
Carson-the mailman or,
Someone random- watches houses, 30 bucks a day
YOUR GONNA TRUST JORGE!! Because he is the reliable and truthful man!
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Research endangered marine mammals of ocean and polar ecosystem. Write a 100or more words on the factors that have caused this mammals to become endangered.
Answer: hunting and capture by humans
Explanation: Principal anthropogenic threats to the survival of marine species include fisheries interactions (entanglement in nets and lines), hunting and capture by humans, ship strikes, pollution and habitat degradation, and climate change.
Cyanidin is a compound that is sensitive to pH. Cyanidin is found in plants such as hydrangeas, cornflowers, and the vegetable rhubarb. Cornflowers are blue because the cornflowers sap is basic and cyanidin turns blue in the presence of bases. Rhubarb contains an acid called oxalic acid. This affects the cyanidin and causes the red color found in rhubarb. Other plants that contain cyanidin are cherries, raspberries, and strawberries. What does the above information infer about cherries, raspberries, and strawberries?
Answer:
their colours are basically on the acidic and basic content of their cell sap in reaction with the cyanidin
When more than two species are interacting, and evolutionary change in one causes change in one or more of the others, it is known as:
Answer:
coevolution, the process of reciprocal evolutionary change that occurs between pairs of species or among groups of species as they interact with one another. The activity of each species that participates in the interaction applies selection pressure on the others.
Explanation:
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the process of making an exact copy of dna is called
Answer:
Replication
Explanation:
Although we consume different foods, the parts are eventually used in cellular respiration. Does it matter if they originate from crickets or cows or candy bars?
Given what we know about biological processes, we can confirm that it does not in fact matter where the nutrients come from in terms of cellular respiration.
We consume food to provide the energy we need to function on a daily basis, for this, we may reach for an apple or opt for a candy bar. However, this is irrelevant on a cellular level. Cells do not eat the food the way that we consume them.
They use a process known as cellular respiration to change the food into energy to be used by cells. The most important of this process is the transformation of high-level sugars into simple sugars like glucose and other monosaccharides.
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which body parts does a turkey use to fight predators
Answer:
When fighting off predators, turkeys may kick with their legs, using the spurs on their back of the legs as a weapon, bite with their beak and ram with their relatively large bodies and may be able to deter predators up to the size of mid-sized mammals.
Explanation:
Answer: When fighting off predators, turkeys may kick with their legs, using the spurs on their back of the legs as a weapon, bite with their beak and ram with their relatively large bodies and may be able to deter predators up to the size of mid-sized mammals.
Explanation:
Does venueles carry bright red color?
Answer:
No
Explanation:
Arteries typically carry oxygenated blood, which is bright red in colour. The exception is the pulmonary artery which carries deoxygenated blood from the heart to the lungs.
Answer:
Venules carry deoxygenated blood. All blood in humans is bright red when oxygenated, but, a darker red when deoxygenated. Deoxygenated blood is darker due to the difference in shape of the red blood cell when oxygen binds to haemoglobin in the blood cell (oxygenated) versus does not bind to it (deoxygenated).
Explanation:
*sigh* its just how science do
need help on this question!!!
Answer:
I think it's The Kingdom
what is the texture of a butterfly wing.
Answer: soft, chalkey
Explanation: .
in the gel electrophoresis lab, you determined the ________ of three different dna samples.
In the gel electrophoresis lab, you determined the genotype of three different DNA samples.
Gel electrophoresis is a process that allows you to separate fragments of DNA based on size. You place different size fragments of DNA into a gel, then apply current to the buffer surrounding the gel, the DNA will travel through the gel but move at different speeds based on the different fragment sizes. Larger fragments of DNA will move slower than smaller fragment sizes.
Let consider two different alleles:
the bigger allele -- Athe smaller allele -- aThe bigger allele happens to contain a restriction site that is allowed to be cleaved by a restriction enzyme while the smaller allele has a mutation in the restriction site that means that it will not be recognized and cleaved by that same restriction enzyme.
Let us remember that the person will have two copies of this gene and can be:
H0m0zygous dominant AAh0m0zygous recessive aaheterozygous AaAn individual with h0m0zyg0us AA only have versions of the gene that will be cut by the restriction enzymes, each allele producing a small fragment of DNA and a medium-size fragment of DNA
An individual with the genotype aa only has the version of the gene that does not have the restriction site and therefore does not get cut by the restriction enzyme. The DNA sample from this individual will have a single larger fragment of DNA.
When you isolate DNA from heterozygous Aa, half of the DNA isolated has the allele with the restriction site that gets cut into two fragments while the other half will have the allele that does not have the restriction site and remains whole when a restriction enzyme is added.
Therefore, we can conclude that in the gel electrophoresis lab, you determined the genotype of three different DNA samples.
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why it is important that the product of mitosis are two identical daughter cells.
Answer: Mitosis involves the division of a cell into two identical daughter cells. Each daughter cell needs a copy of every chromosome, so the process begins with cutting the chromosomes into manageable copies, so the process involves copying the chromosomes and then separating them and then so each cell has the full set. chromosomes have exactly 23 pairs of chromosomes, its hard to remember because you can also say 46 chromosomes but never say 46 pairs because doing so will result into you saying 92 chromosomes. you can either say 23 pairs or 46 chromosomes.
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Explanation:
Water reacts with sodium metal to produce sodium hydroxide and hydrogen
gas, along with heat and light. What are the reactants in this chemical
reaction?
if cell x enters meiosis, and nondisjunction of one chromosome occurs in one of its daughter cells during meiosis ii, how will this affect the gametes at the completion of meiosis?
Answer:
c
Explanation: