A man has type A blood and his wife has type B blood. A physician types the blood of their four children and
finds that each of the children has a different blood type. What are the genotypes of the parents? How
would you explain that all four blood types could be represented by these four children?

Answers

Answer 1

Answer:

A person with type A blood receiving a transfusion of type B or AB blood would have an ABO incompatibility reaction. In an ABO incompatibility reaction, your immune system attacks the new blood cells and destroys them. If you have type AB blood, you have both A and B antigens.

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Related Questions

2. In the diagram below, west is to the left, east is to the right, and the observer is looking toward the north. What is the direction of the wind?

A. NE

B. NW

C. SE

D. SW

Answers

Answer: SW

Explanation:I got it wrong and it gives you the right answer so thats that

The direction of wind is SW direction. Hence option D is correct.

What is wind?

Wind is defined as the air movement brought on by the Earth's rotation and the sun's uneven heating of the surface. The uneven heating of the Earth by the sun and the rotation of the Earth result in wind, which is the movement of air. Light breezes to natural disasters like hurricanes and tornadoes are all types of winds. In addition to being a plentiful and limitless resource, wind also generates power without consuming any fuel or polluting the environment.

An anemometer can measure wind speed, and a weather vane or wind vane can detect wind direction. When put with anemometers, many wind vanes can be installed in numerous locations to calculate the overall wind profile of a specific area.

Thus, the direction of wind is SW direction. Hence option D is correct.

To learn more about wind, refer to the link below:

https://brainly.com/question/12005342

#SPJ2

Emotional response of teenage girls​

Answers

What do you mean by that

OF CHAPTER REVIEW QUESTIONS
iple Choice Questions
. The principal site of protein synthesis in a cell is
a. Endoplasmic reticulum
C.
Ribosomes
b. Nucleus
d. Golgi - Apparatus
a.​

Answers

Answer:

b. Nucleus

Explanation:

A cell can be defined as the structural, fundamental, biological and functional unit of life. Cells are found in all living organisms because they are the basic unit of life. A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells. Generally, cells have the ability to independently replicate themselves. In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles. Some examples of cell organelles with their respective functions in all living organisms such as trees, birds, and bacteria include;

1. Cell membrane : is the wall of the cell and typically controls what leaves and enters the cell.

2. Mitochondria : it provides all the energy required in the cell by transforming energy forms.

3. Lysosomes : they are responsible for absorbing materials and breaking the materials taken in by the cells.

4. Chromosomes : they give sets of instructions for the synthesis of products.

5. Ribosomes : they are involved in the build up of proteins.

6. Endoplasmic Reticulum : this is where the ribosomes perform their tasks.

7. Cytoskeleton : they help to maintain and support the shape of the cells.

8. Vesicles : they ensure proteins are properly transported to the right and exact location.

9. Golgi apparatus : it prepares the protein for export by chemically tagging them.

10. Nucleus : it controls all the activities taking place in the cell and the synthesis of proteins.

Hence, the principal site of protein synthesis in a cell is nucleus.

What molecule are we testing for to determine if the milk was properly digested?

Question 11 options:

galactose


lactase


glucose


lactose

Answers

Answer:

A lactose tolerance test measures how well your body can process lactose, a type of sugar found in dairy products. Normally, the body is able to process milk and other dairy products thanks to an enzyme in the intestines called lactase, which breaks down lactose during digestion.

Explanation:

D is the answer Lactose

Earth has five layers based on physical characteristics. The diagram below shows these
five layers. Which letter represents the asthenosphere, the soft layer on which the
tectonic plates move?

Answers

I think it’s D but if it’s wrong I don’t know because I just did this.

Q. In which form
(i) oxygen is carried to the tissues ?
(ii) CO2 moves out of the blood ?
It is short answer question..I'll appreciate!​

Answers

➜ Oxyhaemoglobin.

➜ Carboxyhaemoglobin and as carbonic acid (CO2 dissolved in blood plasma).

Answer:

homogolobin

bicarbonate ions

Gas exchange involves the transport of two respiratory gases, oxygen and carbon dioxide. Match each statement into the appropriate items whether it applies to oxygen only, carbon dioxide only, or both oxygen and carbon dioxide.

a. Net diffusion from alveoli capillaries
b. Waste product of cellular respiration
c. Sometimes transported as bicarbonate
d. Net diffusion from lung capillaries to alveoli
e. Net diffusion from body tissues blood
f. Enters alveoli during inhalation
g. Required for cellular respiration
h. Transported by hemoglobin

Answers

Answer:

a. both oxygen and carbon dioxide

b. carbon dioxide only

c. carbon dioxide only

d. oxygen only

e. carbon dioxide only

f. oxygen only

g. oxygen only

h. oxygen only

Explanation:

This question is describing the gaseous exchange of carbon dioxide and oxygen that occurs during cellular respiration. The gaseous exchange occurs via a structure called ALVEOLI OR AIR SAC.

According to this question, the following statements in the question will be matched with whether it applies to oxygen only, carbon dioxide only, or both oxygen and carbon dioxide:

a. Both oxygen and carbon dioxide are diffused through the alveoli capillaries.

b. Carbon dioxide is the waste product of cellular respiration (excreted via the lungs).

c. Carbon dioxide have the ability to form carbonates (CO3²-) and are sometimes transported in that form.

d. Oxygen from the lungs diffuse into the alveoli during inhalation.

e. Carbon dioxide from the body tissues are carried by the blood into the alveoli in order to be transported out of the body.

f. Inhalation is the taking in of air (oxygen-containing). Hence, oxygen only enters alveoli during inhalation.

g. Oxygen is the necessary substance needed by cells in order to perform cellular respiration (aerobic).

h. Haemoglobin is an iron-based protein present in the blood cells. It possess affinity for oxygen and carries oxygen in the blood.

Using the diagram as a guide, create a Punnett square to show a cross between Jason's father, who has brown hair, and Jason's mother, who has blonde hair (Hint! Jason's father's mother has blonde hair).



Explain the process of completing the Punnett square for Jason's parents. Be sure to correctly use the vocabulary terms Punnett square, genotype, phenotype, dominant, recessive, and alleles.



Based on the Punnett square, what is the probability that Jason would have brown hair?

Answers

Answer:

50% probability  of brown hair.

Explanation:

Jason will have an 50% probability of having brown hair, brown hair is a dominant trait meaning Jason's fathers father had a brown phenotype as well since his mother had blonde phenotype. Causing Jason's father to have a genotype of of Bb, B is dominant brown phenotype and b is recessive blonde phenotype, and since Jason's mothers genotype is recessive b the possible genotypes are Bb, Bb, bb, bb so Jason has a probability of 50%.

Pls help I’ve been looking for hours

Answers

Answer:

Explanation:

The shape of the protein is really important for the function. Disulfide bonds also called disulfide bridges are important for stabilizing the protein. If the structure of the protein is damaged (by heat or other factors), then the protein will not be able to perform its function.

how does the enzyme impact activation energy

Answers

Answer:

Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.

Explanation:

Two receptors bind to a same chemical messenger, but the concentration of this chemical messenger required to reach a certain number of bound messengers for one receptor is twice as great as the concentration for the other receptor. Thus, these two receptors have same ________, but different ________, to this chemical messenger

Answers

Answer:

binding specificity; affinity

Explanation:

Receptor binding specificity can be defined as the selectivity of a receptor to bind with a particular chemical messenger. Binding specificity is determined by the interaction between the chemical messenger and its specific receptor, as well as the binding site three-dimensional (3D) structure of both. This concept is contrary to receptor promiscuity, where a receptor can bind to many different chemical messengers. On the other hand, binding affinity can be defined as the overall affinity or avidity of binding. The binding affinity is determined by the accumulated strength of individual attractive forces between a chemical messenger (ligand) and its receptor.

rain results when water from the atmosphere condenses

Answers

Answer:

If it is true or false, that would be true.

Answer:

true

Explanation:

How would the introduction of a predator species affect the stability of an
ecosystem?
A. The native prey might not be able to protect itself against the new
predator, so the prey population would probably decline rapidly.
B. The stability would not change because the new predator would
simply replace the native predator.
C. The new predator would be unable to hunt effectively for native
prey, so the stability would not change.
D. The stability of the ecosystem would increase as a result of the
introduction of a new predator species.

Answers

Pretty sure it’s A. The native prey might not be able to protect itself against the new predator, so the prey population would decline rapidly.

What changes accompany cell determination? HINT: It's not A.

A. changes from determinate to indeterminate pathways
B. molecular changes, such as expression of certain genes for tissue-specific proteins
C. changes in zona pellucida after binding of sperm to egg plasma membrane

Answers

Answer:

B)

Explanation:

changes from determination to interminate pathways molecular changes such as expression of certain genes for tissue specific protein.

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Answers

Answer:

Based on knowledge of enzymes and the given data, it can be concluded that  Tcn-protease is most likely active in the alligator's stomach and Wx-protease is most likely active in the alligator's intestines. As clear from the graph, the enzymic activity for Tcn-protease is highest at an acidic pH, which means it works best in an acidic environment, such as the very acidic stomach of an alligator. It is additionally clear from the graph that the enzymic activity for Wx-protease is highest at a neutral pH; therfore, it is most likely to be found in a neutral environment, such as the alligator's intestines.

Explanation:

A pH less than seven is acidicA pH of at or around seven is neutralA pH of more than seven is alkaline (basic)

What is the role of vascular tissue in plants that contributes to photosynthesis?

A. covering plant like a skin
B. transporting water and nutrients
C. . producing and storing food
D. gathering the energy from sunlight

Answers

Answer:

✧ [tex] \boxed{ \boxed{ \underline{ \text{Transporting \: water \: and \: minerals}}}}[/tex]

Explanation:

➛ The vascular tissues includes xylem & phloem .

Function of xylem :

It conducts the flow of water and minerals from the root to the leaves.

Function of phloem :

It transports food from leaves to different parts of plants.

Thus , 'Transporting water and minerals ' would be the correct answer.

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Have a wonderful day / night ! ツ

❀ [tex] \underline{ \underline{ \mathfrak{Carry \: On \: Learning}}}[/tex] !! ✎

Answer:

B. transporting water and nutrients and water

Q4: Describe how crossing over can lead to new variations in genes. ​

Answers

Answer:

Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and different chromosomes segregate independently of each other.

Explanation:

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Qué hace que los alimentos presenten zonas oscuras una vez que están cortados o pelados?​

Answers

Los alimentos están podridos

HELP PLS ASAP

Directions: Drag the nitrogenous bases to the correct locations on the image. Each base can be used more than once, but not all bases must be used. A section of a DNA molecule is shown in the diagram below, but only one strand is complete. Add the correct nitrogenous bases to the molecule to form two complementary DNA strands. C T G U А TG CTC A G A C Reset Next Question​

Answers

Answer:

DNA strand: TGCTCAGAC

Complementary DNA strand: ACGAGTCTG

Explanation:

Deoxyribonucleic acid (DNA) is a molecule consisting of two strands, where each strand is composed of a linear sequence of nucleotides (polynucleotide chain). Each DNA nucleotide is composed of 1-a deoxyribose sugar, 2-a phosphate group, and 3-a nitrogenous base. In DNA, there are four types of nitrogenous bases: Adenine (A), Guanine (G), Thymine, and Cytosine (C). These nucleotides are held together by hydrogen bonds in order to form the DNA double helix. By base pairing, G always pairs with C, and T always pairs with A, thereby the amount of G is equal to C and the amount of T is equal to A. In the RNA, T bases are replaced by Uracil (U) bases.

Helppp me pls trying to get 100%

Answers

Answer:

Nitrogen- C

Deoxyribonucleic Acid or other 5 carbon sugar- B

Phosphate Group- A

Explanation:

Answer: C, B, A

Explanation:

Some caves are created when water dissolves limestone below ground. Which part of the water cycle is most responsible for the formation of caves?

Answers

Answer:

Condensation is crucial to the water cycle because it is responsible for the formation of clouds. These clouds may produce precipitation, which is the primary route for water to return to the Earth's surface within the water cycle. Condensation is the opposite of evaporation.

Explanation:

Explain why global efforts are being made to mass vaccinate populations and the importance of herd immunity in wiping out disease nationally and globally?

Answers

If you’re referring to the current Coronavirus pandemics, the reasons we want to mass vaccinate the population is to stop the spread by making it harder to find a host that it can use to replicate. The more times the RNA virus replicates, the more mutations are generated, the more likely a strain, that can escape the any immunity developed, can occur. Herd Immunity is what will help reduce the ability of a virus to spread. If the virus can’t find a host to replicate in (because the host is immune to the virus) the harder it is for the virus to spread.

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What is the relationship between anabolism and catabolism?

Choose 1 answer:


(Choice A) A Anabolism and catabolism are identical processes.

(Choice B) B Anabolism builds molecules using the energy produced during catabolism.

(Choice C) C The breakdown of molecules in anabolism provides energy for catabolism.

(Choice D) D Catabolism synthesizes large molecules that are destroyed by anabolism.

Answers

Answer:

(Choice B) B Anabolism builds molecules using the energy produced during catabolism.

anyone help me please ​

Answers

the answer is the last one, 70/10

Name one sign a plant is deficient in nitrate

Answers

Symptoms include poor plant growth, and leaves become pale green or yellow because they are unable to make sufficient chlorophyll. Leaves in this state are said to be chlorotic. Lower leaves (older leaves) show symptoms first, since the plant will move nitrogen from older tissues to more important younger ones.

Answer:

the leaves will turn a pale green or yellow color

How does photosynthesis and cellular respiration compare to each other

Answers

The two photosynthesis absorb the light energy though the proteins.

Answer:

Photosynthesis takes place in the chloroplasts of cells. While photosynthesis requires energy and produces food, cellular respiration breaks down food and releases energy. Plants perform both photosynthesis and respiration, while animals can only perform respiration.

Explanation:

Aubrey uses the following formula to calculate a required value. Which elements of the formula use mixed cell referencing?

Answers

Answer:

TBH  $1

Explanation:

Answer:

$1A

Explanation:

PLATO

The digestive system converts proteins into smaller molecules called .


A. Amino acids

B. Vitamins

C.Fatty acids

Answers

Answer:  A: Amino acids

Explanation: I took advanced biology 1, 2, and 3

Question 1 Which statement is true about fossils? O A fossil is any trace of prehistoric life. 0 To officially be a fossil, the remains of an entire organism must be found. O The remains of an organism that lived 500 years ago is called a fossil. Only the remains of animals. and not plant, can be made into a fossil. Question 2​

Answers

Answer: The remains of an organism that lived 500 years ago is called a fossil.

Explanation:

A fossil can be defined as dead remains of plants and animals that existed past geological era. The traces of bones, and other skeletal remains, pollen, hard wooden materials can be found in the compact rock as the soft parts of the organisms are decomposed and decayed. The remains like shells, exoskeleton, amber, hair, and other can also be found. It takes many years for the development of fossil beneath the earth crust. The morphological, anatomical, physiological and molecular features can be assessed to know the age of the fossil.

Answer:

fossil is any trace of prehistoric life

Which of the following best illustrates evidence from comparative anatomy that
supports biological evolution?

Answers

Explanation:

our ancestors turning into humans that have evolved today

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