Answer:
Explanation:
The answer is sensory transduction
Sickle cell anemia is known to run in a family. A pedigree chart for this family is shown below.
The parents are shown at the top and from left to right appear as a half-shaded circle next to a half-shaded square. The two are connected by a straight line. Below the parent pair is a vertical straight line connecting to the next row of circles and squares which are the offspring. Starting from left an unshaded square, half-shaded circle, another half-shaded circle, and a completely shaded square are shown. All of these are also connected by a horizontal straight line.
What percentage of the offspring are carriers of the disease but do not have it?
0%
25%
50%
100%
Answer:
50 is the answer
Explanation:
Brainliest
Answer:
I Believe Its 25%
Explanation:
The presence of freckles (f) is dominant to no freckles (f)
Ff, Ff, Ff, Ff
Freckles : 100%
No freckles: 0%
How many letters does the eye normally take in at each fixation point before moving on to the next fixation point?.
Answer:
three to four letters to the left before it jumps over to the next fixation point.
Explanation:
The eye usually takes about seven to eight letters fixation to the right and around four to five letters fixation to the left before it moves to the next point of fixation.
What is the role of cells in vision?Two types of specialized cells are found in the eye for vision. These are named as rods and cones. These cells are called as photoreceptors as they are sensitive to light and thus functions in response to light.
Rod cells function in response to dim light and thus are active during the night time whereas cone cells impart colour vision.
These photoreceptor cells detect the light and convert them into electrical signals. Such electric signals travel to the brain from the retina through optic nerve. Brain thus helps in the perception of objects.
Defects in the rod cells leads to night blindness. It is also due to the deficiency for vitamin A which is pre-requisite for the activation of rod cells. Colour blindness (inability to distinguish between primary colours) can result if the cone cells are damaged.
Thus, photoreceptors cells are important in vision and image formation.
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Of the following anatomical structures, which is homologous to the bones in the wing of a bird?
Answer:
The Flipper of whale and the wing of bird have similar morphology and anatomy but differ in their functions according to their species as well as the habitat where they live in
The wings of the birds are homologous to the flippers of whales. Both of these homologous organs possess similar structures and morphology.
What do you mean by Homologous organs?Homologous organs may be defined as the organs of different animals that are having a similar structure but differ in their functions.
Both the wings of the birds and the flippers of the whales are homologous organs that have different functions birds fly with the help of wings while whale swims with the help of flippers.
Therefore, the wings of the birds are homologous to the flippers of whales.
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Which term refers to all the individuals of the same species that inhabit the same area
Answer:
Population.
Explanation:
A population is a group of organisms of the same species that inhabit the same area.
Orca whales hunt in cold waters and travel to find food. Which of the following would be the most likely adaptation of an orca population to tolerate a rise in ocean temperatures? Ability to dive deeper Ability to travel longer distances Ability to migrate in a regular pattern Ability to hold their breath for longer times
Answer: B. Ability to travel longer distances.
Explanation: I took the test.
Siamese cats and Himalayan rabbits have light-colored bodies but darker-colored paws, ears, and tail due to an enzyme whose activity varies with temperature. This is an example of ______.
The special features in the Siamese cats and Himalayan rabbits is an example of adaptation.
What is adaptation?Adaptation refers to the special features or structures that an organism possesses which makes it better suited to survive and reproduce in its environment.
Adaptations helps an organism to:
find foodfind matesavoid predators survive extreme climatic conditionsThe features in the Siamese cats and Himalayan rabbits due to enzyme activity that varies with temperature is an example of adaption.
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A cell has 6 chromosomes during G1. During G2 it has how many chromatids and strands of DNA?
Explanation:
Neuronal cells in G2 phase demonstrate tetraploid (4N) DNA content or, more precisely, possess a nucleus with 46 replicated chromosomes.Neuronal cells in G2 phase demonstrate tetraploid (4N) DNA content or, more precisely, possess a nucleus with 46 replicated chromosomes.
For a cell of 6 chromosomes during G1, its chromatids and strands of DNA are tetraploid (4N) and DNA contents possess a nucleus with 46 replicated chromosomes.
How many chromatids and strands of DNA?A set of chromosomes is simply a one half of a chromosome that has been duplicated.
In conclusion, Chromosomes are replicated prior to cell division, and identical chromosomal copies link together and at their centromeres.
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Explain the relationship between global warming and flood.
Answer: As warmer tempertures cause more water to evaporate from the land and oceans, changes in the size and frequency of heavy precipitation events may in turn affect the size and frequency of river flooding.
10.A 600 kg great white shark is lurking below an observation cage. His movement is
being studied from a series of motion sensors below the boat. The shark leisurely
charges the cage, strikes it and makes the cage rattle. Later, the shark returns for
another run at the cage. The shark strikes the cage with 12,800 N of force. The
shark traveled for 10 m in making its run. The cage is designed to withstand
124,500 J of "work" before it breaks. Should the man in the cage be worried?
Explain.
The work done by the shark is 128000 J which is greater than the maximum force the cage can withstand (124500 J), the man in the cage should be worried.
What is work done?Work done is the product of force and the distance covered by the force.
Mathematically;
Work done = Force × distanceThe unit of work done is Joules.
The work done by the shark is calculated as follows:
Work done = 12800 × 10
Work done = 128000 J
Maximum force the can withstand = 124500 J
Since the work done by the shark is greater than the maximum force the cage can withstand, the man in th cage should be worried.
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PLEASE HELP ITS TIMED
Which organisms are most likely to survive in a population in which disruptive selection is occurring?
organisms that have average traits
organisms that have extreme traits
organisms that have the greatest number of offspring
organisms that are the largest and strongest
Answer:
Organisms that have extreme traits.
Explanation:
Disruptive selection is a specific type of natural selection that describes changes in population genetics. In disruptive selection, both extreme values for a trait are favored over intermediate values. As a result, the population is divided into two distinct groups and the variance of the trait increases.
Answer:
B. organisms that have extreme traits
Explanation:
I can confirm this is correct because I just did the test.
Which body system is responsible for rapid communication and control between other systems of the body and the brain?.
The movement of materials from the plasma membrane, through endosomes, and then to lysosomes describes which type of pathway?.
Answer:
Below
Explanation:
The routes that lead inward from the cell surface to lysosomes start with the process of endocytosis, by which cells take up macromolecules, particulate substances, and, in specialized cases, even other cells. In this process, the material to be ingested is progressively enclosed by a small portion of the plasma membrane, which first invaginates and then pinches off to form an endocytic vesicle containing the ingested substance or particle. Two main types of endocytosis are distinguished on the basis of the size of the endocytic vesicles formed. One type is called phagocytosis (“cellular eating”), which involves the ingestion of large particles, such as microorganisms or dead cells via large vesicles called phagosomes (generally >250 nm in diameter). The other type is pinocytosis (“cellular drinking”), which involves the ingestion of fluid and solutes via small pinocytic vesicles (about 100 nm in diameter). Most eucaryotic cells are continually ingesting fluid and solutes by pinocytosis; large particles are most efficiently ingested by specialized phagocytic cells.
a person is camping outside. the person toasts a marshmallow by holding above the flames of the fire. Does the marshmallow cook because of covention , conduction, radiation. please explain your answer
I dont take links or files
Answer:
by convection because convection is the transfer of heat due to indensity
How many chromosomes should be in each diploid cells after mitosis.
Answer:
46 chromosomes
Explanation:
46 chromosomes should be in each of these diploid cells after mitosis.
based on the text how would you define a dominant gene what about a recessive gene
Dominant refers to the relationship between two versions of a gene. Individuals receive two versions of each gene, known as alleles, from each parent. If the alleles of a gene are different, one allele will be expressed; it is the dominant gene. The effect of the other allele, called recessive, is masked.
Describe where hormones are produced and how they are transported from endocrine glands to their target organs, including the pituitary gland, thyroid gland, pancreas, adrenal glands, ovaries and testes.
Answer:
Hormones are transported through the bloodstream or through fluid around cells.
Explanation:
Once they find a target, they bind with proteins in the cells located in the glands you specified, causing the cells to change activities.
Hormones are the chemicals that are produced by endocrine glands.
What are the endocrine glands?These are the glands that do not have ducts.These glands produce hormones.What are hormones?They are known as chemical messengers of the body.They can be either peptide or a steroid etc.They are directly poured into the blood.What are some examples of endocrine glands?Some endocrine glands are as follows:
pituitary gland, thyroid gland, pancreas, adrenal glands, etc.To learn more about hormones, endocrine glands and blood here,
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A man with type A blood is married to a woman with type B blood. If BOTH of these individuals are HETEROZYGOUS, what are the blood types of their children? indicate the percentage in the children
Answer:
The child would receive an A allele or a B allele from the mother and a B allele or an O allele from the father. Therefore, the child could not possibly be of blood type O.
Explanation:
Fill in the Punnet Square
Answer:
I attached a screen shot of the answer
Explanation:
Occluded front with points labeled A through D. A: an area of very cold air. B: cold air. C: warm air. D: the ground. The diagram shows an occluded front. Which point identifies the warm air mass in this front? A B C D.
The point that identifies the warm air mass in this front is warm air. So, the correct option is C.
What do you mean by Occluded front?An occluded front may be defined as a composite front formed when a cold front overtakes a warm front and forces it aloft.
The occluded front consists of various points. Each point has a specific property and identity. The temperature of the air is also specific to each point of the occluded front.
Therefore, the point that identifies the warm air mass in this front is warm air.
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Answer: The right answer is c.
Explanation: I took the assignment on edge 2022.
Geneticists have been working for years to develop higher quality cotton fibers by selectively breeding plants with better fibers. What is a drawback of this selective breeding process?
We can confirm that the drawbacks of selective breeding include increased risk of genetic defects and reduced resistance to immunological threats.
What is selective breeding?This is a breeding method in which specific organisms are bred that contain the desired trait, in order to produce offspring with that specific trait. This brings many downsides in that it reduces genetic variation in the organism, making it more prone to infections and disease, as well as increasing the risk of transmitting a genetic anomaly between breeding cycles.
Therefore, we can confirm that the drawbacks of selective breeding include increased risk of genetic defects and reduced resistance to immunological threats.
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Which process of respiration relies on partial pressure gradients to move air in and out of the lungs
Name the four processes of the nitrogen cycle and describe what happens in each process.
Answer:
nitrogen fixation, ammonification, nitrification, and denitrification.
Explanation:
Seasons are caused by Earth's
Answer:
tilt
its tilt bc some parts are closer to the sun than others
Introducing a vascular catheter directly into a vessel without further advancement past the punctured vessel is called __________ vascular catheterization.
It is called central vascular catheterization
Importance of catheterizationCatheterization is defined as the use of medical devices that can be inserted into the body and used for different medical purposes.
Vascular catheterization is a peripheral catheterization that is used to detect certain upper and lower peripheral extremity conditions.
There are different types of vascular catheterization which include:
Arteriovenous (AV) fistula, Arteriovenous (AV) graft andCentral venous catheter (CVC)Central vascular catheterization involves Introducing a vascular catheter directly into a vessel without further advancement past the punctured vessel.
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What event would most directly lead to the development of female external genitalia?.
Answer:
If embryonic testes do not produce testosterone.
Explanation:
During pregnancy the embryo and its surrounding tissues produce hormones that prevent endometrial cell death. If embryonic testes do not produce testosterone, a genetic male develops female external genitalia.
Consider the following statements:
1. Due to a DNA replication error during gamete formation, a rabbit passes a mutated gene to
its baby, and the baby has light-colored fur as a result
leneck
er effect
II. A small number of water snakes from a mainland population swim to an island where they
mate with snakes from the island's population.
III. A bacterium from one population transfers a toxin-encoding gene to a bacterium in another
population via horizontal gene transfer.
tion
Which of the statements describes at least one new allele entering a population?
ecies
Choose 1 answer:
nin
Statement I only
ition
B Statements I and II
C) Statements II and III
quilibrium
Statements I. II and III
The statements describes at least one new allele entering a population would be D. Statements I, II, and III.
Why does science,wombs,and testosterones matter?
Answer:
Testosterone is produced by fetal males and can masculinize adjacent females to various degrees.
Explanation:
During digestion of triglycerides, fatty acids enter the intestinal mucosa by diffusion; then, they are then re-synthesized into triglycerides that enter the lymph as chylomicrons. Are these two statements true or false?.
In Mendelian inheritance, why are only two phenotypes possible?
Answer:
Each characteristic Mendel investigated was controlled by one gene that had two possible alleles, one of which was completely dominant to the other. This resulted in just two possible phenotypes for each characteristic.
Explanation:
ur welcome !