The gametes will carry all types of alleles ie, NN, Nn and nn.
Melanin, the pigment that gives skin, hair, and eyes their colors, is affected by albinism. The condition is permanent, yet it does not deteriorate over time. Melanin levels in albinos are either very lower or absent altogether. Their eyesight and coloration may be impacted by this.Albinism follows Recessive autosomal inheritance This means that in order to be born with albinism, a kid must inherit two copies of the allele—one from each parent—from both parents. If both parents have the gene, their child has a 1 in 4 chance of having albinism and a 1 in 2 chance of having the gene.Two heterozygous parents will have gametes Nn and Nn
Nn X Nn (parents)
NN, Nn, Nn, nn (offspring)
Thus, The gametes will carry all types of alleles
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Be aware that this outcome supports Mendel's Law of Independent Assortment. The cross is therefore Cc Vv x Cc Vv. II. A quarter of all offspring for two heterozygous parents (Aa) should exhibit the albinism recessive trait.
When two heterozygotes are crossed, the expected genotype ratio is 1 (homozygous dominant): 2 (heterozygous): 1. (homozygous recessive). When a phenotypic ratio of 2:1 is seen, a deadly allele is presumably present.
There will often be 25% YY, 50% YG, and 25% GG offspring if both parent plants have the heterozygous (YG) genotype. These percentages are calculated using the fact that each of a Punnett square's four offspring boxes contains a percentage of 25%. (1 out of 4). In terms of phenotypes, only 25% of individuals will exhibit G. Every time a new child is born to parents with YG genotypes, these are the odds.
Punnett square demonstrates that the offspring probabilities are 25% YY, 50% YG, and 25% GG when both parents are heterozygous.
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Why is photosynthesis considered a light-dependent reaction?
Answer: Light reactions of photosynthesis are light dependent reactions. They are light dependent because for the process to start, a light ray should impinge on the chlorophyll and only then the reactions of photosynthesis begin.
Explanation:
Which of the following are NOT criteria for the definition of a species? A. Produce fertile offspring B. Can Interbreed C. Share physiological characteristics D. Has the same DNA sequence
Answer:
C) Physical characteristics.
What is Total Lung Capacity (TLC)?
Answer:
Lung capacity or total lung capacity (TLC) is the volume of air in the lungs upon the maximum effort of inspiration.
Place the respiratory structures below in the order that air would pass through them as it moves from the outside to the inside of the body.
The respiratory structures in order that air moves from outside to inside include primary bronchus--> secondary bronchus--> Tertiary bronchus--> terminal bronchioles--> respiratory bronchioles--> alveolar duct--> alveolar sacs--> alveoli.
What is respiratory system?The respiratory system is one of the major systems of the body that helps in the oxygenation of the blood which is used by the body cells for oxidation.
Respiration occurs as we breath in air or oxygen and breath out carbon dioxide as used air from the body.
The correct flow of this air from outside to the inside of the body through the following order:
The primary bronchus: This is the first division of from the trachea at the carina forming two bronchi which leads to the left and right lungs.
The secondary bronchus: This divides form the primary bronchus.
The tertiary bronchus: This divides from the secondary bronchus to to supply each segment of the lungs.
The terminal bronchioles: This divides from the tertiary bronchus
The respiratory bronchioles: This divides for the terminal bronchioles.
The alveolar duct, alveolar sacs and alveoli is the main area that oxygen is exchanged with the blood.
primary bronchus--> secondary bronchus--> Tertiary bronchus--> terminal bronchioles--> respiratory bronchioles--> alveolar duct--> alveolar sacs--> alveoli.
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Directions
Imagine you are writing a paper about why critical thinking skills are important in the workplace. Review the lectures on Crediting Sources, APA, and Avoiding Plagiarism.
Then read this article about this topic (the article is also available in the course in case the object link below does not work):
After reviewing article, select a sentence that would be strong support for a paper on critical thinking in the workplace. In a paragraph submitted as a Word document, include the following:
• A sentence to introduce the main idea of the article.
• A signal phrase to let the reader know the following information is from a source
• The quote from the article, including quotation marks and in-text citation.
• A sentence that discusses the quote you chose and connects it with your imaginary paper.
Please review the rubric below for grading criteria.
Reviewing of articles summarizes the current state of understanding on a topic within a certain discipline.
What is an article review?This is a type of professional paper writing which demands a high level of in-depth analysis and a well-structured presentation of arguments and a critical evaluation of literature in a particular field through summary, classification, analysis, and comparison.
Introducing the main idea of an article:
The first sentence should explain the subject being discussed in the passage.
A signal phrase is a short introductory phrase that indicates that a quote or paraphrase is coming. To introduce a signal phrase, you provide an effective transition between your own ideas and the evidence used to explore your ideas.
To include a quote, use the author's last name and the page number from which the quotation or paraphrase is taken.
To include a sentence which discusses the quote chosen, you:
Use a full sentence followed by a colon to introduce a quotation.Begin a sentence with your own words, then complete it with quoted words.Use an introductory phrase naming the source, followed by a comma to quote a critic or researcher.Hence, a review article is generally considered a secondary source since it may analyze and discuss the method and conclusions in previously published studies.
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where is food stored in non endosperm seed?
Explanation:
A lithosphere is the rigid, outermost rocky shell of a terrestrial planet or natural satellite. On Earth, it is composed of the crust and the portion of the upper mantle that behaves elastically on time scales of up to thousands of years or more
Which goals are more effective since they depend on factors that you can control?
Answer:
Explanation:
Endurance. Effective goals are demanding but achievable, is a description of what goalsetting principale. Set challenging and realistic goals. To restore energy levelss within the muscles and recover from fatique is a function of what principle. Rest.
look at the picture
Which of the following organisms reproduces asexually?
OA. Human
OB. Bacteria
C. Spider
D. Lobster
Answer:
OB. Bacteria
Explanation:
Bacteria reproduce through a process known as Binary Fission, which is an asexual reproduction by a separation of the bacteria into two new bodies.
What is the function of estrogen in the menstrual cycle?
A. Causes ovulation.
B. Maintains the uterus lining.
OC. Causes the uterus to thicken.
D. Causes the egg to develop.
Reset Selection
Estrogen play two main functions such as prepare maturation of an egg to release during ovulation and thicken the lining of uterus. Thus all options are correct.
What is Estrogen Hormone?
It is a sex hormone released in the adrenal glands, ovaries and fatty tissue,
It is mainly involve in development of breasts in puberty and the growth of uterus lining during the menstrual cycle.
Regulation of menstrual cycle, growth of pubic and underarm hair, bone strength can be regulated.
There are three types of estrogen released from our body such as Estradiol (E2), Estriol (E3), Estrone (E1).
Estradiol is observed in women of childbearing age, estriol is produced during pregnancy where as estrone is released after menopause.
Thus all options are correct.
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Choose any one of these properties of blood homeostasis to describe how and why substances in the blood and filtrate are secreted or reabsorbed.
Description:
The nephron uses the process of urine formation to maintain blood homeostases, such as pH balance, blood pressure, and osmotic pressure. Figure 1 shows the transport of substances between the filtrate in parts of the nephron and the blood in capillaries.
The substances in the blood are reabsorbed due to its usage in our body whereas the filtrate are secreted due to its harmful nature.
Describe how and why substances in the blood and filtrate are secreted or reabsorbed?The filtrate absorbed in the glomerulus and flows through the renal tubule, where nutrients and water are reabsorbed into capillaries that are used by the body in different processes. During this process, the waste and hydrogen ions pass from the capillaries into the renal tubule which is called secretion. Kidney is the organ where the absorption of nutrients and removal of waste from the blood occur.
So we can conclude that substances in the blood are reabsorbed due to its usage in our body whereas the filtrate are secreted due to its harmful nature.
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Expiratory reserve volume (ERV) You ask your lab partner to inspire a normal tidal inspiration, and breathe out a normal tidal expiration, then exhale as forcibly as possible into the spirometer mouthpiece. As before, several measurements were taken. a. Measurement 1: 800 b. Measurement 2: 850 c. Measurement 3: 780 2 10 points
Calculate the average expiratory reserve volume (ERV). Round to the nearest whole number. Your lab partners average expiratory reserve volume (ERV) is
The average expiratory reserve volume or ERV is 810.
What is expiratory reserve volume?Expiratory reserve volume or ERV is the amount of air that is exhaled forcibly.This can be measured using a spirometer and is used to detect restrictive lung diseases.It is the maximum amount of air that can be exhaled after normal tidal volume is exhaled.Respiratory volume is the volume of air which is either inhaled, exhaled or stored in your lungs.The doctors estimate the reserve volume with the help of spirometer to determine some lung diseases.Once diagnosed with a lung disease, spirometry is used to monitor it.Here, 3 readings of ERV are taken, calculate the sum of the these and divide by 3 to calculate the average ERV.ERV= (800+ 850+ 780)/ 3= 810Learn about tidal volume here:
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What are three characteristics that make life possible on Earth?
Different characteristics such as Earth's atmosphere, distance from the Sun, and presence of water make life on Earth possible.
Is there a groups of rules for organisms to live?The idea that there is a group of rules to support life on Earth is controversial but it is clear that life as we know required different features to form.
Some of the most important features that support the emergence of biologically closed systems on Earth include the presence of water in a liquid state, an appropriate atmosphere and a suitable amount of solar radiation.
In conclusion, different characteristics such as Earth's atmosphere, distance from the Sun, and presence of water make life on Earth possible.
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why is abortion important?
If all of the carbon dioxide were
removed from the atmosphere,
what effect would this have on
plants?
A. They would no longer be able to
photosynthesize because carbon dioxide is a
reactant in the process.
B. They would adapt and change the
photosynthesis reaction to not need carbon
dioxide.
C. This would not affect the plants.
Answer: A.
Explanation:
Im learning about this too!
What features do
cardiac muscle cells
have when looking
under a microscope?
A. long and thin with striations and many nuclei
B. small, striated, and only 1-2 nuclei per cell
C. smooth, 1 nuclei, and connected by gap junctions
Explanation:
B. small, striated, and only 1-2 nuclei per cell
Answer:
B. small, striated, and only 1-2 nuclei per cell
5. Which major consumer of oil is most vulnerable to disruption in the event of another energy crisis: electric power generation, motor vehicles, heating and air conditioning, or industry? Why?
6. Which of the following produces the most CO2 per unit of energy produced: oil, natural gas, or coal?
7. India, China, and the United States all have large coal reserves. Do you think any or all of them should build more coal-fired power plants over the next 20 years? If so, what technologies will help them minimize environmental impacts?
10 Examine the bar graph, which shows the six countries with the greatest natural gas deposits. Is most of the world’s natural gas located in North and South America, or in Europe and the Persian Gulf countries?
The major consumer of oil which is most vulnerable to disruption in the event of another energy crisis is industry.
The most of the world’s natural gas is located in Europe.
Coal produces the most CO2 per unit of energy produced
The bar graph which shows the six countries with the greatest natural gas deposits is attached.
Absolutely yes! all of these countries should build more coal-fired power plants over the next 20 years. This is simply because coal-fired power plants provide affordable, reliable and constant power that is available on demand to meet energy consumption needs.
The technologies which will help them minimize environmental impacts in coal-fired power plants are
Power generation.Concentrated solar power.Nuclear power plant.Virtual power plant.BiomassWhat is energy?Energy is the capacity of doing work.
Below are some forms of energy:
Nuclear energyPotential energyKinetic energyMechanical energySo therefore, the major consumer of oil which is most vulnerable to disruption in the event of another energy crisis is industry.
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Que signifie ADN et comment on le prouve?
Answer:
Qu'est-ce que l'ADN ?L'ADN (acide désoxyribonucléique) est un type d'acide nucléique qui se distingue par le stockage de l'information génétique de la grande majorité des êtres vivants. Cette molécule est formée de nucléotides et a généralement la forme d'une double hélice.
Il est nécessaire de prélever des échantillons de certains fluides corporels qui peuvent être du sang, de la salive, des ongles, des cheveux ou du sperme. À l'aide de techniques de laboratoire sophistiquées, l'ADN des échantillons est isolé, puis une cartographie est effectuée, ce qui est fait par des équipements appelés "Séquenceurs d'ADN".
Pour le prouver, normalement le rapport d'un examen ADN apporte quels gènes et chromosomes ont été étudiés et l'analyse du généticien à leur sujet. Les résultats sont présentés dans des rapports simples et clairs. Dans les examens de paternité, le résultat est toujours comparatif.
J'espère t'avoir aidé, bonnes études !
What is gravity’s role in plate tectonics?
Answer:
Gravity causes them to slide downwards
gravity causes
1. everything to be pulled to the center
2. earth's tectonic plates to move
3. one plate to go under another plate
4. the plate that went under to go into the mantle
realonomicsnet
msnucleusorg
tutor2unet
Drag each label to the correct location on the diagram.
Identify the structures of skeletal muscle.
fascicle
muscle
myofilament
muscle fiber
myofibril
The skeletal muscle, responsible for voluntary contraction is composed of 1) Myofilaments 2) Myofibrilles 3) Muscle fibers 4) Muscle (from the left to the right in the image)
What is the composition of the skeletal muscle?
The elements composing the skeletal muscle are,
Myofilaments ⇒ Actine and miosineSarcomere ⇒ It is the functional unit with the contractile apparatus. Composed of the Z band, A and I bands, and H zone.Myofibrilles ⇒ They have the Functional unitsMuscle fibers ⇒ Surrounded by endomysiumFascicle ⇒ Group of fibers surrounded by perimysium.Muscle ⇒ Group of fascicles surrounded by epimysium.The sarcomere is the contractile unit in a skeletal muscle. The thick myosin myofilaments are located in the central region of the sarcomere, which corresponds to the A band.
Thin filaments united to the Z lines, extends to the interior of the A band until they reach the border of the H band.
The I band is formed solely of thin actin filaments, belonging to two sarcomeres adjacent to a Z line.
When the muscle contracts, the muscular fiber gets shorter and thicker due to the reduction in length of the sarcomere.
The H line and the I band get shorter. The Z lines get closer to the A band, meaning that they get closer to each other. The A band keeps constant in length.This change is produced by movement mechanisms that involve a change in the relative position of actin and myosin filaments.For a better understanding about muscle contraction, look at the attached files.
From the left to the right,
1) Myofilaments
2) Myofibrilles
3) Muscle fibers
4) Muscle
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According to the fluid-mosaic model of a cell membrane, the main component of a membrane is:______
Answer:
phospholipids
Explanation:
phospholipids are a type of lipid that make up the cell membrane they are amphipathic meaning they have both hydrophobic parts which do not readily mix with water and hydrophilic parts which mix with water
Scientists set two main goals for the Human Genome Project. Which is NOT one of those goals?
A. identify ALL human genes
B. sequence ALL base pairs of the human DNA C. develop new fields of science to study DNA
To "develop new fields of science to study DNA"was never one of the aims of the human genome project.
What is the Human Genome project?The Human Genome project was an initiative that was set up around 1 Oct 1990 – 14 Apr 2003 with laboratory locations across United States, Canada, New Zealand, Great Britain whose major aim was to discover and thoroughly sequence all the genes in the human body.
This would help scientists to understand the human body body and help them to be able to study certain diseases that could arise from changes in any of the gene sequences in the human body.
Thus, to "develop new fields of science to study DNA"was never one of the aims of the human genome project.
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WILL GIVE BRAINLIEST
Which of the following describes the correct order of energy conversions necessary to form electricity from a hydroelectric dam?
Flowing water → Electricity
Flowing water → Heat → Electricity
Flowing water → Kinetic → Electricity
Flowing water→ Heat → Kinetic → Electricity
Flowing water kinetic energy electricity - describes the correct order of energy conversions necessary to form electricity from a hydroelectric dam
One of the main parts of a hydroelectric facility is a hydroelectric dam that produces electricity. A hydroelectric dam is a substantial, artificial structure created to hold back a body of water. In addition to being built to generate hydroelectric electricity, hydroelectric dams are also built to manage flooding and river flow.
The water intake is located quite close to the base of the hydroelectric dam wall. It drops through the penstock inside the hydroelectric dam because to gravity. A turbine propellor, which is rotated by the flowing water, is located at the end of the penstock. The turbine's shaft ascends into the generator, which generates the energy.
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Option C: Flowing water → Kinetic → Electricity
Without being in the presence of
light a producer cannot make
what?
A. sugars
C. H2O
B. CO2
D. oxygen
A producer cannot make sugars in the absence of light, the correct option is A.
What are producers?Producers, also known as autotrophs, are lifeforms that produce their own food.
They obtain energy from chemicals or the sun and transform it into usable energy in the form of sugar or food using water.
Plants and algae can produce their own food by harnessing solar energy. These organisms are referred to as producers because they generate their own food.
Thus, the correct option is A.
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Predict the effect of a substance that inhibits sodium channels from opening. How might this substance affect the way the nervous system functions?
Description:
The movement of sodium and potassium ions is an important part of how a neuron generates an action potential. Their movement is controlled by three transport proteins.
The effect of substance that inhibits sodium channels from opening would lead to reduction of cell excitability.
What are sodium channels?The sodium channels are gated channels found in the cell membrane that allows the controlled passage of sodium ions to and from the cell of the body.
Sodium ions are one of the most important electrolyte of the body which helps in the maintenance of body fluid balance.
The opening and closing of the sodium channels helps in their regulation.
The substances that inhibit these sodium channels prevents the passage of sodium ion into the cell leading to the following effects:
Slows the rate and amplitude of initial rapid depolarization, Reduction of cell excitability, andReduction of conduction velocity.This substance that inhibits sodium channels affects the nervous system functions because they block nerve conduction and thereby block sensation in the area innervated by affected nerve fibers.
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Describe and explain how blood flows from the foot to the lungs.
Answer:
lungs:
The blood first enters the right atrium.
The blood then flows through the tricuspid valve into the right ventricle.
When the heart beats, the ventricle pushes blood through the pulmonic valve into the pulmonary artery.
The pulmonary artery carries blood to the lungs where it “picks up” oxygen.
It then leaves the lungs to return to the heart through the pulmonary vein.
The blood enters the left atrium.
It drops through the mitral valve into the left ventricle.
The left ventricle then pumps blood through the aortic valve and into the aorta. The aorta is the artery that feeds the rest of the body through a system of blood vessels.
Blood returns to the heart from the body via two large blood vessels called the superior vena cava and the inferior vena cava. This blood carries little oxygen, as it is returning from the body where oxygen was used.
The vena cavas pump blood into the right atrium and the cycle begins all over again.
Transpiration is
A. the process of water rolling down
hill.
B. when plants evaporate water into
the atmosphere from their leaves.
C. when oceans move water to
different climates.
Answer:
Should be B
Explanation:
prove me wrong
Answer:
b
Explanation:
for sure..
..........
what process is similar in function to genetic engineering but diffent in the mechanism it uses?
A similar process in function to genetic engineering but different in the mechanism is breeding for specific traits.
What is selective breeding?Selective breeding refers to conventional techniques used by humans to obtain plants having desired phenotypic features.
Selective breeding is based on the process of obtaining genetic crosses and the selection of adaptable phenotypes for the traits we need to improve.
In conclusion, a similar process in function to genetic engineering but different in the mechanism is breeding for specific traits.
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question is up there
(question b)
Answer:
group and 70/you have received your email
Which of the following is an example of conservation by sustainable land use?
A. Reducing use of chemical fertilizers and pesticides.
B. Removing a dam and allowing water to flow naturally.
C. Using plants to remove toxins from the ground in an environment.
OD. Creating a new ecosystem equal in size to the one that was damaged.
Using plants to remove toxins from the ground in an environment is an example of conservation by sustainable land use.
In order to meet human needs both now and in the future, sustainable land use provides a fair and balanced distribution of land, water, plants, biodiversity, and other environmental resources among the numerous competing claims.
In order to protect, conserve, and use resources (soil, water, and biodiversity) sustainably, as well as to restore degraded natural resources and their ecosystem functions, sustainable land management (SLM) entails measures and practices that are tailored to biophysical and socioeconomic conditions.
SLM practices include:
Control soil erosion, boost soil fertility, manage soil organic matter for soil carbon sequestration, avoid land conversion and safeguard vulnerable areas; prevent land degradation; and recover degraded soils.
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