Answer:
A genetic mutation is a random change in the DNA that is passed on further generations of cells and or organisms. Genetic mutations are accidental changes in the DNA in the germ cells or early in the formation of the embryo.
Explanation:
Some inherited genetic mutations can be good for the offspring.
What is mutation?"It is a change in the structure of a gene."Gene is a structural and functional unit of hereditary.It is caused due to addition, deletion or copying of single base pairs of DNA.The mutation that occurs in somatic cells (cell other than stem cells or s ex cells) are not transferred from parent to offspring.A mutation should occur in s ex cell, in order for it to pass down to the offspring. So, the mutation that cause disease if occurs in somatic cell will not be passed to the offspring.The mutation can sometime result in the production of new proteins that are beneficial in nature.Not all the genetic mutation can cause cancer.Hence, the correct option is A. Some inherited genetic mutations can be good for the offspring.
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in The US- Which states had the darkest skies
Answer:
The Cosmic Campground, New Mexico
Explanation:
It's THE darkest place in the United States, located in the Gila National Forest in New Mexico
Which represents a force pair?
A. A golf club hits a golf ball. Gravity pulls the ball back down to Earth.
B. A book pushes down on a table, and gravity pulls the book toward the floor.
C. A boy's foot pushes down on a bicycle pedal. The pedal pushes up on his foot.
D. A person's foot pushes on the floor, and the person's weight pushes on the floor.
Answer:
a
Explanation:
Answer:
I'm pretty sure its either A or D.
Explanation:
If a new species of honeycreeper were discovered, and it had a short, straight beak, which bird in this puzzle would likely be its closest living relative?
Answer:
The bird species that share the closest phenotypic characteristics are likely closest relatives.
Explanation:
Evolution theory states that species evolve gradually trough mutations (many of them are neutral), thereby those honeycreeper populations closest are more likely to share phenotypic features with each other.
Answer:
Po'oull
Explanation:
Which physical structures are present in amphibians, but not in reptiles, when they first hatch?
Answer:
As compared to reptiles, amphibians have smooth skin. The skin of most amphibians is not water-proof unlike reptiles. Although most of the amphibians have lungs, they usually breathe through their skin and lining of their mouth, whereas most reptiles do not.
Explanation:
If your looking for an answer on edge, the correct answer is C) gills and fins
I hope this was helpful :D
STAY SAFE!!!!!!!!!!!!!!
28. In which body cavity would each of the following organs or systems
be found?
(a) cardiovascular, digestive, and urinary systems
(b) heart, lungs
(c) stomach, intestines
Answer:
Ventral Body cavity I believe.
Explanation:
It spans your entire Torso.
Ja’ron lives near a river that flows through farmland. He notices that the river has become more polluted over the years. The water that was once clear is now sometimes cloudy and has an unpleasant odor. What is the most likely cause of the pollution in the river? A. heat B. oil and gasoline C. industrial wastes D. pesticides and fertilizer
Answer: pesticides and fertilizer
Explanation: He lives in an area of farm land so, big crops are grown and to keep the bugs off the plants, farmers use pesticides. Then what happens is when it rains, the excess runs off into the river and pollutes it.
Which traits would Aristotle have used to classify sharks? Choose more than one answer.
Answer:
The main trait that was different between sharks 14 and 9 was that shark 14 (Mobulidae) has a front with two points that look like horns, whereas shark 9 (Dasyatidae) has a front with no points that look like horns.
Explanation:
The traits that Aristotle would have used to classify sharks are :
Front with points ( hornlike )Front without points Sharks classificationSharks whose front have two points like horns are classifed by Aristotle as sharks 14 (Mobulidae). whlie sharks whose front does not have two points like horns are classifiesd as sharks 9 ( Dasyatidae ). hence the traits that would have been used by Aristotle to classify sharks is the presence of points at the front.
Hence we can conclude that the traits that Aristotle would have used to classify Sharks are Front with points and front without points.
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A model of a gene, DNA, and a chromosome is shown here. A researcher tags the gene with a heavy radioactive isotope (P-32). Which statement predicts the outcome of the radiolabeling on the gene, DNA, and chromosome while differentiating between the three components of the model?
Answer:
The gene will be radiolabeled, but only a portion of the chromosome will display P-32 because genes are smaller than chromosomes
Explanation:
Genes are made of DNA, but there are many (numerous) genes found along chromosomes. Only a small portion of the chromosome will be radiolabeled.
The gene will be radiolabeled, but only a portion of the chromosome will display P-32 because genes are smaller than chromosomes.
What is the relationship among DNA a gene and a chromosome?
Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body.
Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.
Thus, The gene will be radiolabeled, but only a portion of the chromosome will display P-32 because genes are smaller than chromosomes.
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Sections of an mRNA molecule that are removed:
Answer:
Most pre-mRNA molecules have sections that are removed from the molecule, called introns, and sections that are linked or together to make the final mRNA, called exons.
What is a human genome sequence?
Answer:
The human genome is the complete set of nucleic acid sequences for humans, encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual mitochondria. These are usually treated separately as the nuclear genome, and the mitochondrial genome.
How does your heart rate affect the rate at which red blood cells travel throughout your body? PLEASE HELP ME QUICK!!
Answer:
with each heartbeat,the heart pumps blood throughout our bodies,carrying oxygen to every cell,after delivering oxygen the blood returns to the heart the heart then sends the blood to the lungs to pick up more oxygen.
HELP.. _____ immunity occurs when a person's immune system responds to an
antigen.
Answer:
Adaptive immunity occurs when a person's immune system responds to an antigen.
Explanation:
Which of the following are examples of short-term, human-induced environmental changes? Select three answer choices.
mass extinction
global warming
deforestation
ozone layer destruction
pollution
Answer:
deforestation
pollution
mass extinction
Explanation:
all three caused by humans
Answer:
mass exinction, deforestation, pollution
Explanation:
Keith and Marsha's only child to have a carrier genotype, Jeff, did marry. Cedric remained single due to poor health, and Nita swore off marriage after several bad relationships. Jeff and his wife Adrienne had four children, Angela, Keith, Joyce, and Denise. Although the parents were not expecting it to happen, their only son and their second born girl were born with sickle cell disease. Post- pedigree questions: If you were Ketih and Marsha's genetic counselor, what would you tell them? _____________________________________________________________________________________ Which of the Jackson's grandchildren are definitely carriers? _____________________________________________________________________________________ What is Adrienne's genotype? ________________________________
Answer:
Answer to Question 1:
Sickle cell anemia is a recessive disorder. The fact that one of their children is a carrier means that either of Keith and Marsha is a carrier ot it might be that both of them are carriers of the disease.
Answer to Question 2:
The other two kids of Jeff and Adrienne who don't have the genetic disease are still carriers of sickle cell anemia.
Answer to Question 3:
Adrienne is a carrier of the sickle cell anemia disease as well, just like Jeff.
Hope that answers the question, have a great day!
Which of the following would best serve to repair the stratosphere ozone layer
4. Different organisms are made of different cell numbers. What is the
range in the number of cells that organisms can be made of? (smallest to
largest)
A. 1 cell to about 100 cells
B. 1 cell to many millions of cells
C. 100 cells to about 1,000 cells
D. 100 cells to many millions of cells
Answer:
The answer is B. 1 cell to many millions of cells.
Examples of unicellular organisms ( single-celled organisms ) are Amoeba and Paramecium and examples of multi-cellular organisms are Human beings, Animals and Birds.
The range in the number of cells that organisms can be made of is 1 cell to many millions of cells.
What are the functions of cell?Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.
Cells provide structure and function for all living things, from microorganisms to humans. Scientists consider them the smallest form of life.
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Which types of bacteria does the Monera Kingdom consist of ?
Plantae and Fungi
Eubacteia and Archaebacteria
Potista
Animalia and Plantae
Answer:
eubacteria and archaebacteria
Answer:
Eubacteia and Archaebacteria
Explanation:
An oak tree can be a home for animals like squirrels, birds, etc. as well as provide oxygen for the environment. This is an example of a _____________: the role an organism plays in the environment.
Answer choices:
A. Understudy
B. Lead
C. Niche
Answer:
C
Explanation:
A Niche is the role an organism plays in its environment.
Answer:
C
Explanation:
Which of the following infectious disease agents is the smallest? A Bacteria B Virus C Fungus D Parasite
Answer:
B. Virus
Explanation:
With the exception of Virods and Prions, viruses are the smallest infectious disease agents.
After viruses, bacteria are the smallest, then fungi, and lastly parasites.
Answer:
virus
Explanation:
Select the correct answer.
which tissue is most likely to transport dissolved sugar?
A. sclerenchyma
B. collenchyma
C. parenchyma
Answer:
C. parenchyma
Explanation:
100%
hopes this helps.
explain how gas is changed back into gas when it exits the barrel
Indica que nivel de organización representa cada uno de los siguientes elementos ADN estómago neurona electrón átomo de oxígeno, agua, ser humano, músculo cardíaco, óvulo y sangre.
Answer:
Neuron- the level of organisation is cells.Because it s the functioning unit of nervous system.
The Blood's level of organisation is tissues because if is made of group of cells.
The stomach level of organisation is organ, because it is made up of group of cells and tissues to form part of the digestive system.
Heart muscles is made up of organs as it is the combination of tissues and cells therefore a muscular organ,
DNA -represents a molecular level,but because it is located in the cells , its represented this level.
Egg belongs to level of organisation which is cellular.
Oxygen atom level of organisation is.(cell)
water is a Compound.( tissues )since it is the combination of two atom cells( hydrogen and Oxygen)
Human being is organism.
electron level of organisations are the smallest particles.(cells)
Explanation:
explain the difference between weathering and erosion? how is deposition also involved in this three step cycle?
Answer:
Erosion is the process by which natural forces move weathered rock and soil from one place to another. ... Deposition occurs when the agents (wind or water) of erosion lay down sediment. Deposition changes the shape of the land. Erosion, weathering, and deposition are at work everywhere on Earth
Explanation:
because thanos said so
DNA is made of four different bases: _______, _______, _______, and ______.
A. B. C. D
A, C, G, T
A, C, G, U
who ever answers this question get 25 points
Answer:
A, C, G, T
Explanation:
Adenine, guanine, cytosine, and thymine are bases of DNA.
U is only present in RNA.
Answer:
adenine (A) and guanine (b) are the larger purines. Cytosine (C) and thymine (D)
Explanation: all i got idk for sure but i studied this in the past so..., if it helped make me brainliest? pls , i tried my best ;/ sry if not bye
31. The type of immunity that occurs when the body makes its own
antibodies is __________ immunity
Answer:
passive immunity is the type of immunity inborn
Molecules that contain carbon are known to be ______________ molecules.
Answer:
organic molecules
Explanation:
organic molecule is composition of carbon atoms and hydrogen atoms.
in chemistry we study about an organic chemistry where we mainly study about the carbon and hydrogen.
blood type can receive Rh+ or Rh- blood
Answer:
People with Rh- blood can give blood to both Rh- and Rh+ recipients. However, those with Rh+ blood cannot give to Rh- recipients. If a person receives blood from someone with an incompatible blood type, it can cause a life threatening immune system reaction.
Answer:
Have a nice day.
Explanation:
For 15 points
What 10 good ideas would you give to improve a zoo. Explain each with a sentence.
How are oxygen and carbon connected through the atmosphere, geosphere, and hydrosphere. Give an explanation of how a plant might use all three spheres
Answer:
Explanation:
To preserve Zoological garden expertise are needed to manage the creatures that are there.
Good and conducive environment should be provided for the animals.
Routine cleaning to avoid outback of diseases
Adequate resources should be provided this include food to avoid eviction of important species.
Geosphere is made up of the crust they form the layer of soil that support growth of plant and also supply nutrients.
Atmosphere is made of gas some of which help sustain life. Example is oxygen, carbon dioxide
Hydrosphere form the liquid portion of the earth it included large water bodies that serves as habitat for aquatic organism.
Oxygen and carbon are been released into the atmosphere where they are been taking up by plant or animal dead and remains of this organism lead to the release of this gases in both organic and in organic form back into the soil where it is taken up by plants back into the atmosphere and some are washed in the water bodies.
Plants takes in carbon-dioxide from atmosphere, absorbs nutrients from the soil through their root and water from the water table needed fro their growth.
Give an example of the law of conservation
of mass.
Which of the following year graphs represent hours of daylight and solar energy at 45° S?
Answer:
The answer is D
Explanation:
