Answer:
The ABO blood type is inherited in an autosomal codominant fashion.
The Rh system of blood groups determines the gene that forms two alleles: dominant (D) and recessive (d).
Explanation:
The dominant allele determines the synthesis of antigen D, so people with this antigen are referred to as Rh +. The recessive allele is dysfunctional so no D antigen is produced and individuals are Rh-
The ABO blood group system determines a gene that has three alleles:
A, B, and O allele.
Alleles A and B are functional and determine the synthesis of certain antigens (agglutinogens A B) that are found on erythrocytes.
In this exercise we have to use the knowledge of blood to explain its inheritance factors, so we want to explain how:
So we know that blood types in addition to the types known as ABO, there is also the RH factor which is the biggest inheritance.
What are the 3 blood types?Type A blood has A antigens, B blood has B antigens, AB blood has both antigens, and type O has neither. Red blood cells also have another type of antigen called RhD, which is part of a family made up of 61 Rh type antigens. When the blood has RhD, it is type positive.
Our blood group is inherited from both parents. Just as we are given physical characteristics like skin color or hair, we also inherit blood type. Surprising as it may seem, blood group is not genetically determined at birth according to the contributions of both parents.
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How much energy is converted into chemical energy or heat when it transfers between trophic
levels?
A
90%
B. 50 %
C. 25%
D
10%
Answer:
I think the answer is D
Explanation:
list the resolving power range of naked eye, light microscope and an electron microscope
Answer:
A scanning transmission electron microscope has achieved better than 50 pm resolution in annular dark-field imaging mode and magnifications of up to about 10,000,000× whereas most light microscopes are limited by diffraction to about 200 nm resolution and useful magnifications below 2000×.
Many small freshwater organisms have a structure called a contractile vacuole, which pumps water out their body. Explain how this process is an example of active transport.
Answer:
1: The process of osmosis would cause water to move into the cells causing them to swell and possibly burst. Many freshwater one celled organisms have structures called contractile vacuoles. These structures collect and pump out excess water that accumulates in the cell.
2: During active transport, a protein pump uses energy, in the form of ATP, to move molecules from an area of low concentration to an area of high concentration. An example of active transport is the sodium-potassium pump, which moves sodium ions to the outside of the cell and potassium ions to the inside of the cell.
Explanation:
What is the building block of all living things?
Answer:
cell
Explanation:
is a building block of living things
Pls help I’m so confused :(
Answer:
Left is synthesis, right is digestion
Explanation:
Synthesis refers to the creation of a product, whereas digestion refers to the breakup of the reactant or initial substance.
1. Animals can face many problems caused by light pollution. Which is NOT one of these
problems?
a. Increased predation
b. Decreased amount of food
c. Disorientation
d. Disrupted breeding times
Answer:
Light pollution does not affect predation levels, so the correct answer is A
Explanation:
Increase predation is one of them which is not affected by Light pollution.
What is light pollution?Artificial illumination that is undesirable, improper, or excessive is referred to as light pollution.Light pollution, also known as artificial light at night, is the excessive or inefficient use of artificial outdoor light that disturbs wildlife's normal routines, adds to the buildup of carbon dioxide (CO2) in the atmosphere, interrupts human sleep, and obscures the night sky's stars.What is predation?One creature kills and eats another in predation. Predation offers energy to the creature that kills, the predator, in order to prolong its life and encourage reproduction at the expense of the organism that is eaten, the prey. Predation has an ecological impact on species on two levels.Hence, the correct option is A.
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What do aerobic and anaerobic mean and which one is cellular respiration?
Question:
Explain what monsoons are, where they are often found and what impact they have on
You must use complete sentences when answering this question
emironmemt
Answer:
i have this question too
Explanation:
Which is a reactant in the Calvin cycle?
A. Glucose
B. Oxygen
C. Carbon dioxide
D. Water
The reactant of the Calvin cycle is the carbon dioxide that is present in Option C, and the product of the Calvin cycle is glucose. The Calvin cycle takes place during the photosynthetic reaction.
What is the role of photosynthesis?Photosynthesis is a process in which the plant plays an important role, such as when the plant absorbs the sun's light, water, and carbon dioxide and then produces oxygen and glucose by combining all of these elements; thus, glucose and oxygen are the products, and water and carbon dioxide are the reactants. The water is used in the light-dependent reaction and converted into oxygen as a product, while in the case of the Calvin cycle or the light-independent reaction, carbon dioxide is used as the reactant and the product that is formed is glucose.
Hence, the reactant of the Calvin cycle is the carbon dioxide that is present in Option C.
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what is the backbone of RNA made out of?
Answer:
Explanation:
It has a deoxyribose and phosphate backbone having four distinct bases: thymine, adenine, cytosine, and guanine. Is a polymer with a ribose and phosphate backbone with four varying bases: uracil, cytosine, adenine, and guanine.
The chart shows codons and their corresponding amino acid. What amino acid is represented by the codon CAC
By looking at this chart you can see that the codon CAC codes for histidine
In a certain species of flowering plant, the purple allele P is dominant to the
Yellow allele p.
A student performed a cross between a purple-flowered plant and a
yellow-flowered plant. When planted, the 146 seeds that were produced from the
cross matured into 87 plants with purple flowers and 59 plants with yellow
flowers.
Calculate the chi-square value for the null hypothesis that the purple-flowered
parent was heterozygous for the flower-color gene. Give your answer to the
nearest tenth.
Answer:
3.4
Explanation:
If the purple flower is heterozygous:
Pp x pp
Pp Pp pp pp
the expected ratio of purple flower offspring to yellow flower offspring would be 50:50.
Chi square = [tex]\frac{(O - E)^2}{E}[/tex] where O = observed frequency and E = expected frequency.
phenotype O E Chi square
purple 87 73 [tex]\frac{(80-73)^2}{73}[/tex] = 0.67
yellow 59 73 [tex]\frac{(59-73)^2}{73}[/tex] = 2.68
Total = 0.67 + 2.68 = 3.35 to the nearest tenth = 3.4
Degree of freedom = 2 - 1 = 1
Critical Chi square value (alpha = 0.05) = 3.84
SInce the critical Chi square value is greater than the calculated value, the null hypothesis is accepted.
Yogurt,cheese, and other foods are produced through alcoholic fermentation. True or false?
True these are both examples of food produced through alcoholic fermentation.
What is Alcoholic fermentation?
The chemical reaction that produces alcohol is known as alcoholic fermentation. In essence, beer, wine, sake, and cider all begin with yeast eating a type of sugar, which is the basis for this process.
Even hard liquors, such as your preferred tequila, begin with a straightforward alcoholic fermentation.
Alcoholic fermentation produces three primary byproducts. Alcohol, which has historically been a crucial component of beer, wine, and hard cider, is one of them, which is not surprising.
Therefore, True these are both examples of food produced through alcoholic fermentation.
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Which substance increases its volume when it becomes a solid?
A. Mercury
B. Water
C. Salt
Answer:
B
Explanation:
when water is frozen, it expands, something to do with anomolous expansion of water.
Water increases its volume when it becomes a solid.
Define volume and its units?Volume is a measure of occupied three-dimensional space. It is often quantified numerically using SI derived units or by various imperial or US customary units. The definition of length is interrelated with volume.
The surface-area-to-volume ratio, also called the surface-to-volume ratio and variously denoted sa/vol or SA:V, is the amount of surface area per unit volume of an object or collection of objects.
If volume is the amount of 3-D space contained by a closed surface (e.g. the amount of space within a given cube, or cylinder, or any other 3-D shape), liquid volume is a way to measure an amount of liquid by describing it how much 3-D space it occupies.
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Eukaryotic cell division requires?
Answer:
Division of NucleusDivision of CytoplasmI hope this helps!
Answer:
Eukaryotic cell division requires?, : first they have too divide their nucleus, followed by dividing their cytoplasm, to complete the division of cells.
- hope this helps
by chance may I get brainliest
:)
Why do people feel fireworks before hearing it?
Answer:
People feel fireworks before hearing it because light travels faster than sound.
Explanation:
We always see the colors of the fireworks before hearing their defeaning sounds. This is because light travels faster than sound, so we can see the light before hearing the sound. An example of this is seeing lightning before hearing thunder. When lightning strikes, the air around it moves very quickly, causing vibrations.
Hope this helps!
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cafeology
Genetics is defined as: Group of answer choices The scientific study of cells The study of cloning The scientific study of heredity The dividing of cells
Answer:
The correct answer is ''The scientific study of heredity''
Explanation:
Genetics is a branch of biology that studies how hereditary characters are transmitted from generation to generation and the diversity that exists among living beings. Inheritance is the physical and biological characteristics that we share with our family and that can determine our appearance and our biological characteristics, that is, our phenotype (eye color, skin type, etc.) as well as our internal characteristics. All of this is largely derived from our genetic components, that is, our genotype.
5. Studying light from a star allows us to… a. determine a star's temperature b. determine what elements the star is made of c. determine how a star is moving (toward, away, fast, slow) d. all of these e. none of these
Answer:
The correct answer is option C "determine how a star is moving (toward, away, fast, slow)"
Explanation:
All realized components emanate and assimilate specific frequencies of light, which is important for the electromagnetic range. By considering the frequencies of light (as demonstrated by 'lines' inside the electromagnetic range) discharged by an object in space, astronomers can get a scope of information.
One thing they look at is the adjustment in situation of lines in the range from a star this can tell astronomers the distance away the star is, regardless of whether it is moving towards or away from us and how quick it is moving.
In some ecosystems each trophic level can supply only about 10% of its energy to the next
higher level. How much energy would be supplied to the second-level consumers in this energy
pyramid?
A. 50%
B. 10%
C. 1
D. 0.1%
Answer:
B
Explanation:
The days are longer or shorter because the earth’s axis in blank
PLEASE HELP ME
Answer: Orbit
Explanation: The Earth’s axis being in orbit means that the Earth is in different positions around the sun at different points in time, causing day and night.
How can a model of the solar system be used in planning a trip from Earth to another planet? A To estimate distance, travel time and fuel cost. B To anticipate the frequency and occurrence of meteorites and other objects in space. C To map flight plans that avoid solar flare-ups and solar winds. D To predict possible emergencies astronauts may encounter during space travels.
What is the cell nucleus?
Answer:
The nucleus in a cell is like a brain in a human. It is the power house. The nucleus tells everything in the cell what to do and when to do it.
Explanation:
Answer:the nucleus is an organelle found in eukaryotic cells. The nucleus hold most of the genetic material from the cell.
Explanation:
In 1-3 sentences, explain the structure and function of an enzyme.
Answer: Enzymes are life’s great facilitators. They create the conditions needed for biochemical reactions to happen fast. The general name that chemists use for chemical entity that increases the speed of a reaction is “catalyst.” Enzymes are biological catalysts they catalyze the chemical reactions that is happen inside living things.
Explanation:
What structure do white blood cells use to engulf bacteria when they do phagocytosis?
A. cilia
B. flagella
C. pseudopod
D. oral cavity
The engulfed object is thus enclosed within a membrane-bound vacuole called a phagosome. The phagocyte digests the ingested particle with hydrolytic enzymes, which are contained within membrane-enclosed sacs called lysosomes found within the cell.
Neurogenesis is especially evident in brain areas related to learning and memory. Based on this statement, you might expect neurogenesis to be particularly prevalent in the brain's:
Cortex, especially neo-cortex and pre frontal cortex. Where neuroplasticity can occur.
What do animal cells need to make energy?
Answer: Eating.
Explanation:
Animals obtain energy by eating plants or animals. The only form of energy a cell can use is a molecule called adenosine triphosphate (ATP). Chemical energy is stored in the bonds that hold the molecule together. ADP can be recycled into ATP when more energy becomes available.
Answer:
Food
Explanation:
Animals obtain energy when they eat. So do we, because we have animal cells! If you don't eat you will get weak and your body needs the nutrients that it gets from the food that you eat. So to make adenosine triphosphate (ATP), you need energy and some other factors that go into making ATP.. but that is the just of it.
You need food.
Hope this helps!
what is sex explain the procedure
Answer:
It’s where you get a girl and boy together then they have sex
Explanation:
help if i fail i will not pass
Answer:
3
Explanation:
I hope this is correct and have a great day
Answer:
3 and 4
Explanation:
Passage of solid waste comes after digestion. Absorbtion of nutrients happens in the small intestine after breaking down food using HCI in the stomach. Hope this helps!
The __________ molecule is known as the universal energy source of the cell. *
1 point
Captionless Image
AMP
ATP
GTP
NADH
Answer:
The answer is ATP, however, NADH is part of what goes into producing ATP.
Happy holidays!
Which bone connects the shoulder to the forearm?
Answer:
The upper arm bone or humerus
Explanation: