DNA damage can affect normal cell replicative function and impact rates of apoptosis (programmed cell death, often referred to as 'cellular senescence'). Alternatively, damage to genetic material can result in impaired cellular function, cell loss, or the transformation of healthy cells to cancers.
Irradiated mice given a stimulatory antigen fail to mount an adaptive immune response. A robust response can be restored by:
Answer:
A bone marrow transplant (BMT)
Explanation:
An irradiated mouse would have immune hypocellularity or acellularity. A BMT would replenish its immune system to mount a robust immune response.
What is the most likely explanation for
the DNA found in mitochondria?
Answer:
Origin. Nuclear and mitochondrial DNA are thought to be of separate evolutionary origin, with the mtDNA being derived from the circular genomes of bacteria engulfed by the early ancestors of today's eukaryotic cells.
Explanation:
In two to four sentences, describe how money is channeled from savers to borrowers and then to investors.
Answer:
Money is channeled through financial institutions such as banks.
Explanation:
The borrower may chose to use the funds to invest in a business venture and thus be becomes an investor. Money is channeled through financial institutions such as banks. A saver saving with a bank account seeks to keep the money in the bank as it earns him interest.
The diagram below shows a certain method of grazing animals
Answer:
In agriculture, rotational grazing, as opposed to continuous grazing, describes many systems of pasturing, whereby livestock are moved to portions of the pasture, called paddocks, while the other portions rest.
Explanation:
hehe ....
What is the nervous system composed of?
A. The central nervous system
B. The peripheral nervous system
C. The respiratory system
D. Answers A & B
Answer: D) the central and peripheral nervous systems
hope this helps
please help me, i’ll give brainlist and points please don’t be one of those people that go “link below”
Answer:
The answer is 4.
Explanation:
First step :)
In the example of the predator/prey web in the grassland community on Bylot Island, a rise in the snowy owl population would have what effect on the snow goose
Predator/prey web relationship is found in all ecosystem. A rise in the snowy owl population would have what effect on the snow goose in that The snow goose population would rise due to lemming, and subsequently fox, populations declining.
Food webs often has predator/prey relationships. They show the direct relationships in ecosystems such as the predator-prey relationships. Predators includes big cats such as cheetahs and lions. They often hunt prey in temperate grasslands.In North America, predators such as wolves, coyotes and foxes mostly hunt for mice, rabbits and deer.
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Question 1
Which is a correct definition of carrying capacity?
A
the largest number of different species that a particular habitat can support indefinitely with the resources available
B
the smallest number of different species that a particular habitat can support indefinitely with the resources available
С
the largest number of individuals of a certain species that a particular habitat can support indefinitely with the resources available
D
the smallest number of individuals of a certain species that a particular habitat can support indefinitely with the resources available
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Answer:
the answer is A
Explanation:
________________________ happen when pairs of bonded bases in a double strand of DNA get replaced with different pairs.
_________________________ happen when extra base pairs are included in an existing DNA sequence.
_________________________ happen when base pairs in an existing DNA molecule get removed from it.
Fill in the blanks correctly
Answer:
Explanation:
A base pair is two chemical bases bonded to one another forming a "rung of the DNA ladder." The DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
What does the cell nucleus contain?
cytoplasm
vacuoles
chromosomes
chloroplastsWhat does the cell nucleus contain?
cytoplasm
vacuoles
chromosomes
chloroplasts
A nucleus cell contains chromosomes among other things.
What happened to most freedmen after the Civil War?
A. They got jobs in the new tobacco factories.
B.They received 40 acres and a mule to begin their own farms.
C.They got jobs working on the railroad.
D.They rented farmland from white landowners.
Answer:
D. They rented farmland from white landowners.
Explanation:
Answer:
They rented farmland from white landowners.
Explanation:
I took the test
so how many eyes do a dog and cat have
Answer:
i think its 2
dog have 2 eyes and cat also have 2 eyes
Why is grafting considered asexual reproduction and not sexual
reproduction?
Answer:
The reason that grafting is not considered sexual is because there is no conjoining of male and female germ cells. (there is no germination like how sperm and egg cells do). So its considered asexual
Explanation:
Which of the following factors is most likely to be linked to secure attachment in infants?
O A. Physical comfort
O B. Maternal sensitivity
O C. Social referencing
O D. Reciprocal socialization
Answer:
the answer is A
Explanation:
According to Erikson , physical comfort and sensitive care are keys to establishing a basic trust in infants.
which is true about a daughter cell produced by mitosis
Answer:
what are the options?
Explanation:
Answer:
it contains no DNA
DNA and RNA. What is the difference and where do they take place.
Answer:
below
Explanation:
The main difference of both DNA and RNA is the fact that location of them.
Locations:
DNA -> Nucleus of CellRNA -> Cytoplasm and RibosomesBest of Luck!
Arrange the following agricultural practices in the order in which they are followed: 1. Harvesting 2. Sowing 3. Storage 4. Irrigation 5. Preparation of soil
Answer:
The order in which these agricultural practices are followed is: Preparation of soil, Sowing, Harvesting, irrigation
4. Which type of air holds more water vapor?
Cold Air
Frigid Air
Dry Air
Warm Air
Answer:
Warm Air
Explanation:
What are the two most common types of secondary structure found in proteins?
1- α-helices and β-arrays
2- double stranded helices and β-arrays
3- α-helices and β-pleated sheets
4- β-spirals and α-turns
Answer:
1- α-helices and β-arrays
What color do you see when all colors of light are reflected? (2 points) Group of answer choices Black Blue Maroon White
Answer:
white
Explanation:
Answer:
white colour
Explanation:
when all colours are reflected back then we see white colour
An individual has the genotype tt. He marries a woman who can taste PTC paper. They have 2 kids - one who can taste and one who can't. Based upon this information, what can you say about the mother's genotype?
Answer:2
Explanation:
26
Which selection from the article "Scientists study Persian Gulf reefs for coral survival clues" identifies the biggest threat to coral reefs?
Question 5 options:
Warming waters spark bleaching events. Along with the bleaching, the ocean is becoming more acidic.
The researchers demonstrated that this new organism was the most commonly found algae throughout the gulf's coral reefs. They say it probably adapted as a result of the gulf's harsh conditions.
Warm and acidic water leads to bleaching of coral reef and the new algae can survive due to mutation in its gene.
The biggest threat to coral reefs in the Persian gulf is the warming of waters due to climatic change as well as acidification of water. Algae present on coral reefs can't tolerate acidic water as well as warm water which leads to the death of algae and the coral looks white or colorless.
A new organism was the most commonly found algae throughout the gulf's coral reefs due to change in the genetic makeup due to harsh climatic conditions so we can conclude that warm and acidic water leads to bleaching of coral reef and the new algae can survive due to mutation in its gene.
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how do amphibians breathe on land and in water
Answer:
Most amphibians can breathe both through cutaneous respiration (through their skin) and buccal pumping - though some also retain gills as adults. Some aquatic salamanders (and all tadpoles) have gills and can breathe underwater thanks to them. The Mexican axolotl, for example, never loses its gills.
4. What factors might affect bone strength?
Answer:
Bone strength is influenced by changes in the structure (size and shape) and composition [cortical (compact) bone, trabecular (sponge-like) bone, amount of cartilage] of the bone. 6 A high peak mass at a young age and the decrease of bone loss at a later age are two ways to reduce osteoporosis risk.
Explanation:
Answer:
Bone need enough Calcium
Explanation:
The amount of calcium in your diet. A diet low in calcium contributes to diminished bone density, early bone loss and an increased risk of fractures.
Physical activity. ...
Tobacco and alcohol use. ...
Sex. ...
Size. ...
Age. ...
Race and family history. ...
Hormone levels.
how do sugars from cyclic hemiacetals
Answer:
glucophranoze is the answer
Quante tipo di carte geografica ci sono
Answer:
According to the ICSM (Intergovernmental Committee on Surveying and Mapping), there are five different types of maps: General Reference, Topographical, Thematic, Navigation Charts and Cadastral Maps and Plans.
6. Which is not a product of photosynthesis? nitrogen glucose water oxygen
Which of the following materials is a good electrical conductor?
rubber
ceramic
plastic
copper
Answer:
copper
Explanation:
Copper has the best electrical conductivity of any metal, except silver. A good electrical conductivity is the same as a small electrical resistance. An electric current will flow through all metals, however they still have some resistance, meaning the current needs to be pushed (by a battery) in order to keep flowing.
A student named Janine says that the measure of side b is 64 ft. Please state whether this is correct or incorrect. If this is incorrect, state the length of b. Explain your answer in complete sentences. Use vocabulary such as Pythagorean Theorem, side, hypotenuse, square root etc.
The measure of side b as 64 ft is incorrect. The accurate measure would be 8 ft.
According to the Pythagorean theorem, the square of the hypotenuse of a right-angle triangle is the sum of squares of the opposite and the adjacent sides. Mathematically:
[tex]hypotenuse^2 = opposite^2 + adjacent^2[/tex]
In this case, the hypotenuse = 10 ft, the opposite = 6 ft and the adjacent = b
Hence,
b^2 = 10^2 - 6^2
= 100 - 36
= 64
b = √64
= 8 ft
Thus, the side b is 8 ft and not 64 ft.
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True or False: Because the microbiome is important for fitness, many organisms have developed specific strategies for passing the microbiome on to progeny.
The statement 'because the microbiome is important for fitness, many organisms have developed specific strategies for passing the microbiome on to progeny' is TRUE. It is natural selection in action.
According to the evolutionary theory proposed by Darwin, natural selection is the mechanism by which species change (evolve) to adapt to particular environmental conditions.
In this case, the microbiome represents an evolutionary adaptive mechanism, thereby natural selection will tend to favor individuals that have a beneficial microbiome.
In consequence, individuals having a beneficial microbiome will have more chances to reproduce and survive (i.e., they have higher adaptive fitness), thereby they also have more chances to pass this adaptive trait to the next generation.
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