The difference is due to the inheritance pattern. Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one.
What are the blood type and Color-blindness inheritance patterns?
⇒ Blood type is coded by a diallelic Rh gene that expresses complete dominance.
The allele Rh+ dominates over the allele Rh-.
Genotyopes and Phenotypes are as follows,
Individuals Rh+Rh+ express the possitive phenotypeIndividuals Rh+Rh- express the possitive phenotype Individuals Rh-Rh- express the negative phenotype.To express Rh-, a person must inherit two recessive alleles from their parents.
⇒ Color-blindness is an X-linked condition coded by a recessive allele.
As most sex-linked genes, it is transmitted together with the X chromosome.
The phenotype depends on the number of recessive alleles and the sex of the person.
Genotyopes and Phenotypes are as follows,
X⁺X⁺ women have normal sight.X⁻X⁻ women are completely color-blinded X⁺X⁻ women are partially color-blinded. X⁺Y Men are not color-blinded X⁻Y Men are color blinded.In this case, only one recessive allele is enough to express the affection.
In conclusion, Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one recessive allele.
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Which theory is most widely accepted in describing the formation of our universe?
the Big Bang Theory
the Singularity Theory
the Steady State Universe
che Eternal Inflation Theory
Answer:
The Big Bang Theory.
Explanation:
The Big Bang Theory is the most widely accepted hypothesis for the origin of the universe as we know it. It's implications are somewhat vague, as there is no concrete way to determine what really happened to create our universe, but it still holds water.
The basics of the Big Bang Theory is that a singularity was formed, a very small ball with infinite density and unimaginable heat. This singularity's expansion is what created the universe, essentially, a big bang.
Cystic fibrosis is a recessively inherited disorder that results from a mutation in the gene encoding CFTR chloride ion channels located on the surface of many epithelial cells. As shown in the figure, the mutation prevents the normal movement of chloride ions from the cytosol of the cell to the extracellular fluid. As a consequence of the mutation, the mucus layer that is normally present on the surface of the cells becomes exceptionally dehydrated and viscous.
An answer to which of the following questions would provide the most information about the association between the CFTR mutation and the viscous mucus?
O Is the mucus also secreted from the cells through the CFTR proteins?
O What is the change in nucleotide sequence that results in the CFTR mutation?
O How does the disrupted chloride movement affect the movement of sodium ions and
water by the cell?
O How does the mutation alter the structure of the CFTR proteins?
Answer:
the answer is b because it's right
What regulates the cell cycle of a specific type of cell?
a. internal and external factors
b. there are no regulations of cellular division
c. external factors only
d. internal factors only
Both internal and external factors are capable of regulating the cell cycle of a specific type of cell (Option a).
What is the cell cycle?The cell cycle refers to the period of life of a cell from which it is generated until its division (cytokinesis).
The cell cycle of a cell is regulated by internal factors such as cyclins and kinases that phosphorylate specific proteins as well as external factors that trigger the cell division (e.g. temperature conditions).
In conclusion, both internal and external factors are capable of regulating the cell cycle of a specific type of cell (Option a).
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Why human, monkey, horses and birds are considered to have evolved from the same ancestors?
Answer:
Everything at some point belonged to a common ancestor, but these four species are considered to be like this because of similar ancestral traits that have been passed on to generations such a homologous pairs, vestigial structures, they are all mammals, similar amino acid sequences, vertebraes, etc.
What is the function of the enzyme amylase?
Answer:
Explanation:
Amylases' main function is to hydrolyze the glycosidic bonds in starch molecules, converting complex carbohydrates to simple sugars. There are three main classes of amylase enzymes; Alpha-, beta- and gamma-amylase, and each act on different parts of the carbohydrate molecule
Which of the following would NOT affect a baby's size?
A. Both parents are very small.
B. The father eats poorly during the pregnancy.
C. Mother smokes while pregnant.
D. The mother eats poorly during the pregnancy.
Reset Selection
Answer:
B
Explanation:
What the father eats would not affect the size of a baby
List the pathway of an oxygen gas molecule from the surrounding air through the respiratory system to the blood. Just list the names of the respiratory structures involved,
The names of the respiratory structures involved include the following: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli.
What is respiration?Respiration is defined as the oxygenation of blood through the intake of oxygen and the removal of carbon dioxide.
The pathway of oxygen gas molecule from the surrounding air through the respiratory system to the blood include respectively the following:
Nasal cavities (or oral cavity): This has a direct association with the outside oxygen from the environment.pharynx: This so also called the throat.trachea: This is also called the wind pipe.Primary bronchi (right & left): This divides from the trachea to form two bronchi.Secondary bronchi:Tertiary bronchi:bronchioles:alveoli.Learn more about respiration here:
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importance of protein in metabolism
Answer:
Protein is also used for growth and repair. Amid all these necessary functions, proteins also hold the potential to serve as a metabolic fuel source. Proteins are not stored for later use, so excess proteins must be converted into glucose or triglycerides, and used to supply energy or build energy reserves.
a student investigates the effect of different fertilizers on tomato plant growth. Identify the dependent, independent and controlled variables in her experiment.
Based on the nature of variables in the experiment:
plant growth is the dependent variablefertilizers is the independent variableSoil type and amount of sunlight is the controlled variablesWhat are variables?Variables in an experiment are those factors which are under the control of the researcher and in which changes in them result in changes in the result of the experiment.
In an experiment in which a student investigates the effect of different fertilizers on tomato plant growth, the various variables are given below:
plant growth is the dependent variable - this variable depends on a change in the independent variablefertilizers is the independent variable - changes in this variable results in changes in plant growthSoil type and amount of sunlight is the controlled variables- this variable is constant.In conclusion, tomato plant growth is dependent on the type of fertilizer.
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What is the dependent variable that impacts the amount of solar energy in a location?
A. Latitude
B. Longitude
C. Prime meridian
D. Equator
help now look at the picture
C
Weathering and erosion break down rocks back into sediment. heat and pressure makes metamorphic rocks
Internal capsule is part of which pathway,motor or sensory?
The Internal capsule is part of the motor pathway and is therefore denoted as option A.
What is Internal capsule?This is characterized by a a white matter which is located in the inferomedial part of both cerebral hemisphere of the brain. The brain serves as the control center of the central nervous system which comprises of a rich network of neurons interconnected together for prompt response to different types of stimuli.
The internal capsule however functions together with the pyramidal motor pathway during the processing of different types of stimuli and information hence it being chosen as the most appropriate choice.
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PLS HELP ME WILL MARK BRAINLYEST: Why is it important that people use fewer non-renewable resources and more renewable resources?
Your Opinion
State your opinion on the question above.
Evidence
What evidence or reasons can you gather to support your opinion?
subject: sciences
pls give long answer
Answer: First off, this makes us dependent on something that is finite. Non-renewable resources such as fossil fuels will eventually run out due to the fact that the dead organisms that have been undergoing the process of becoming carbon (more or less) for millions of years won't have anything to replenish them. Along with that, environmental problems occur like we all are seeing in the United Kingdom and even in the US.
Explanation:
what are SAARC Countries
SAARC countries are:-
#Afghanistan
#Bangladesh
#Bhutan
#India
#Maldives
#Nepal
#Pakistan
#Sri Lanka.
PLS HELP ME WILL GIVE 100 PONITS: construct an argument that plants have internal and external structures that
support growth and reproduction. Follow each step to gather evidence to support your answers.
Choose the internal and external structures you want to gather evidence and create a statement
about. Write your structures in the space provided.
SUBJECT: sciences
Answer:
the internal structure of a plant helps to transport water the external structure of the plant help to support the weight of the plant
Given the sequence of acgtat, read in the 5’ → 3’ direction, what would be the sequence of the opposite strand, read in the 5’ → 3’ direction? is this dna or rna?.
Answer:
The strand would read ATACGT, and it's DNA.
Explanation:
It's the reverse compliment, and as DNA is antiparallel, you would just list the nucleotide sequence corresponding to the backwards order of the original sample. This is a double strand, since there is an opposite strand, which means it is DNA.
The Montreal Protocol ________.
Answer:
The Montreal Protocol, finalized in 1987, is a global agreement to protect the stratospheric ozone layer by phasing out the production and consumption of ozone-depleting substances (ODS).Which parts of a plant are responsible for reproduction? Describe the role that each of them will play.
Describe what occurs during the process of seed development.
Based on your knowledge of flowers, why do you think most flowers are bright in color?
The parts of a plant that are responsible for reproduction are the flowers, they are present only in the most evolved group of plants called angiosperms. Flowers can be hermaphroditic or monoecious when they have both female (carpels) and male (stamens) structures.
Describe what happens during the seed development process.Germination is a succession of stages that resume the development of the embryo and the beginning of the formation of a new seedling. We can summarize germination as the process of transforming the seed into a new plant. The seed consists of the embryo, endosperm and integument.
Based on your knowledge of flowers, why do you think most flowers are brightly colored?Are mainly related to pollination by animals. This is due to the fact that the flower acts as a form of attraction for pollinators, therefore, mechanisms are needed to guarantee the visitation of these animals.
With this information, we can conclude that flowers inherit their appearance through genes. Pigments are born in these plants, producing a range of colors across the spectrum. The same chemical, carotenoid, that produces the pigment in tomatoes and carrots also produces the yellow, red, orange colors in certain flowers.
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Which of the following is an example of a density dependant factor?
A. Industrial pollution in a river
B. An herbivore species and a carnivore species sharing a habitat
C. 3 different herbivore species sharing the same field
D. A volcanic eruption
Three different herbivore species sharing the same field is an example of a density dependent factor (Option C).
What are density dependent factors?The density-dependent factors are those variables that affect the growth of a population regarding the number of individuals in such population.
Density-dependent factors include, among others, competition within the population or between populations, the presence of predators, etc.
In conclusion, Three different herbivore species sharing the same field is an example of a density dependent factor (Option C).
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HELP ME Which property describes a mixture?
It cannot be separated by physical methods.
It has a single chemical composition.
It cannot have more than one state of matter.
It cannot be described by a chemical symbol or formula.
A mixture cannot be described by a chemical symbol or formula.
What is a mixture?A mixture is a substance that consists of 2 or more chemically different substances.
Examples of mixtures are sand and salt, water and kerosine, oil and water, etc.
Each substance in a mixture maintains its chemical identity. In other words, components of mixtures do not react with each other.
Thus, the components of mixtures can be recovered using relevant separation techniques.
Mixtures can be homogenous when the different components are uniformly distributed. They can also be heterogenous when the components are skewed to a specific side of the mixture.
Due to the fact that the chemical identity of the components of mixtures remains, it becomes impossible to assign a chemical symbol or formula to mixtures.
Therefore, mixtures can only be named according to the different components but cannot be assigned chemical symbols or formulas.
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Proper functioning of our digestive system is due to the presence of
Proper functioning of our digestive system is due to the presence of Fiber/roughage in our diet.
Explanation:The consumption of roughage, or fiber, has long been recommended as a way to alleviate digestive issues, such as constipation. However, it also plays a number of other critical roles in the body as well. As an example, plant foods are rich in fiber that can promote optimal gut health, keep you at a healthy weight, and even reduce your risk of heart disease. This is because they provide a healthy source of roughage.
Hope this helps :)
How does mitochondrial structure contribute to aerobic metabolism, particularly in the integration of the citric acid cycle and electron transport?.
The reduced electron carriers generated by the citric acid cycle are restricted to the matrix by mitochondrial structure. There, they are adjacent to the respiratory complexes of the electron transport chain, which will transfer the electrons from the carriers made by the TCA cycle to oxygen, the final recipient of electrons and hydrogens.
What is the role of mitochondria in the citric acid cycle and electron transport chain?
Citric Acid Cycle:
The pyruvate molecules generated at the conclusion of glycolysis are carried into mitochondria, which are locations of cellular respiration, in eukaryotic cells. By eliminating a carbon dioxide molecule in the mitochondria, pyruvate is converted into a two-carbon acetyl group, which is then taken up by the carrier substance coenzyme A. (CoA). The end product is known as acetyl CoA.
The citric acid cycle occurs in the matrix of the mitochondria in eukaryotic cells. The eight phases of the cycle are a sequence of chemical processes that result in the production of two molecules of carbon dioxide, one molecule of ATP, and the reduced versions of NAD+ and FAD+, known as NADH and FADH2, which are crucial coenzymes for cell function. Because the NADH and FADH2 generated must transport their electrons to the system's next pathway, which uses oxygen, part of this is regarded as an aerobic pathway. This transmission is not possible without oxygen.
Electron Transport Chain:
However, the majority of the ATP produced during the aerobic breakdown of glucose does not come from these mechanisms. Instead, it results from a procedure that starts with the transfer of electrons through a series of chemical events to an ultimate electron acceptor, oxygen. Both eukaryotic organisms' mitochondrial inner membranes and prokaryotic organisms' inner cell membranes contain specific protein complexes where these processes occur. A gradient of electrochemistry is produced across the inner mitochondrial membrane by harnessing the energy of the electrons. ATP is produced using the potential energy of this gradient. This entire procedure is known as oxidative phosphorylation.
The sole aspect of metabolism that employs ambient oxygen is the electron transport chain, which is the final stage of aerobic respiration. The electron transport chain is made up of the aggregation of the four protein complexes I through IV as well as any related mobile, accessory electron carriers.
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Type the correct answer in the box. Spell all words correctly.
What does natural resource management aim at?
Natural resource management aims at _____
management of resources.
The natural resource management aims at saving the natural resource for the coming generation without depriving the demand of the present generation. There must be a sufferable way to use the natural resources because unlimited use of resources will guide to some problems.
The natural resource management also seeks at using the natural resources in its pure shape and making it available to every possible place.
What are the advantages of natural resource management?
When watched for in the right way, they can help us to reduce flooding, enhance air quality and supply materials for construction. They also provide a home for some rare and stunning wildlife and iconic landscapes we can relish and which boost the economy via tourism.
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How would breathing be affected if a bullet makes a hole in the thoracic cavity?
If a bullet makes a hole in the thoracic cavity then that can cause air to enter the pleural cavity directly from the outside.
The second-largest hollow region in the body is the thoracic cavity, often known as the chest cavity. The sternum, or breastbone, the spinal column, and the ribs encompass it. The diaphragm, a muscular and membrane wall, separates it from the abdominal cavity, the body's largest hollow region.
Organs and tissues that are involved in the immune (thymus), cardiovascular (heart, pericardium, great vessels, lymphatics), nervous (vagus nerve, sympathetic chain, phrenic nerve, recurrent laryngeal nerve), respiratory (lungs, bronchi, trachea, pleura), and digestive (oesophagus) systems are found in the thoracic cavity.
The sternum, ribs, thoracic vertebrae, and diaphragm all surround the area of the thoracic cavity. The mediastinum and the chest cavity, where the lungs are located, comprise one compartment.
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Which of the following is NOT true of Fungi?
A: Includes molds, mushrooms, and yeasts.
B: Fungi have cell walls made of chitin.
C: Fungi are a kingdom in the domain Protista
D: Most fungi are multicellular.
Fungi is a separate kingdom which include all the species such as molds, mushrooms, and yeasts. Fungi have a cell wall which is made up of chitin. Most of the fungi are multicellular. Thus, the correct option is C.
What are Fungi?Fungi is a separate kingdom of the five kingdom classification. A fungus is any member of the eukaryotic organisms which includes microorganisms such as yeasts and molds, as well as the mushrooms.
Fungi are the eukaryotic, non-vascular, non-motile, and heterotrophic organisms. Fungi may be unicellular or filamentous. Fungi reproduce through the means of spore formation. Fungi exhibit the phenomenon of alternation of generation. Fungi lack chlorophyll pigment and hence cannot perform photosynthesis like plants.
Therefore, the correct option is C.
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Describe a situation where you were skeptical of a “fact” that you have seen or heard. Why did you doubt the information? How did you resolve that doubt?
Skepticism refers to the state of not being sure about the authenticity of the information that has been received.
What is skepticism?Skepticism refers to the state of not being sure about the authenticity of the information that has been received. Many times, the cause of skepticism is the fact that the information can not be independently verified and may not have been received from an trusted source.
I was once told by a herbalist that his drug has the ability to cure HIV. I know that this herbalist is not an expert in medicine and is not abreast with research trends in that area hence he can not possible manufacture a herbal remedy for the incurable HIV.
I decided to throw the in formation into the trash can because it does not qualify as a reliable piece of information.
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Which of the following is true of rods?
Multiple Choice
O
More numerous than cones.
Concentrated in the macula lutea.
Sensitive to wavelengths of light corresponding to colors of red, green, and blue.
Not helpful for night vision or in dim light.
Answer: A - Rods are more numerous than cones
Explanation: Rods are found everywhere in the retina except the fovea (a tiny pocket in the retina where just about all of the cones are located).
B. The macula lutea is another word for fovea, no rods are found there.
C. Rods are utilized in low-light conditions and are not sensitive to wavelengths of light.
D. Cones are responsible for perceiving color and not rods.
E. The main function of the rods is to help us see in low-light conditions (scotopic vision), so this answer would be incorrect.
A baby with blood group AB I born into a family where the mother has blood group type B and the father has type O
Determine whether the husband is the biological father of the baby
The baby AB received the IB allele from the mother and the IA allele from another person. The husband is not the biological father of the baby.
What are the blood type alleles?
Blood type is coded by a triallelic gene
IA allele is dominant over the i alleleIB is dominant over the i allele IA and IB are codominanti is the recessive alleleThe genotypes and phenotypes are
IAIA and IAi → Type AIBIB and IBi → Type BIAIB → Type ABii → Type 0
In the exposed example,
Baby → AB → IAIBMother → B → IBIB or IBiHusband → 0 → ii
The baby carries one IA allele and one IB allele.
The IB allele was inherited from the mother. The husband could only transmit a recessive allele i. But the baby does not carry any recessive allele.
The baby received the IB allele from the mother and the IA allele from another person.
The husband is not the biological father of the baby.
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A
B
C
D
look at the picture
Answer:
c
Explanation:
because the curves are and the d line is poiting b and c
Why oxygen to form oxyhemoglobin but not haemoglobin oxide
Oxygen will form oxyhemoglobin and not hemoglobin oxide because it is referred to as a`protein which binds to oxygen atoms in the blood.
What is Hemoglobin?This refers to a protein in the body which carries oxygen molecules to various parts of the body. This is as a result of the compound which is referred to as heme which is responsible for the high affinity for oxygen. It ensures oxygen is distributed to other parts of the body.
On the other hand, formation of oxides means that a chemical reaction occurred with oxygen. There is however no chemical reaction formed as a result of this affinity which is why there is no formation of hemoglobin oxide in this specific type of scenario in the body system.
This therefore is the reason why oxygen forms oxyhemoglobin but not hemoglobin oxide and makes it the most appropriate choice.
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