Telomerase is an enzyme that longs telomeres, which are fundamental repeats at the ends of chromosomes whose length is associated with cellular aging.
What are telomeres?Telomeres are specific long tandem repeats located at the ends of all chromosomes in the cells.
These repeats (telomeres) are fundamental during cell growth and cellular aging.
It has been shown that telomerase can avoid the shortness of telomeres and thus can be used to slow cellular aging.
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Which piece of evidence did darwin observe during his 5-year journey aboard the hms beagle?.
Even-aged management practices involves clearing trees that
are all the same height
b. are all the same weight
C. are all near the same age
d. are all of widely different ages
Please select the best answer from the choices provided
Answer: C. Are all near same age.
Explanation: Even-aged firewood management practices refer to the practice of clearing of trees that "are all near the same age"as this technique is usually adopted to maintain the proportion and continuity of various species of trees(thus, cutting of the trees of same age). This practice is employed to minimize the costs and attain a coeval and comrade group of trees. It proves quite beneficial in reestablishing the succession of a native breed. It involves the selection of trees at first depending on the size, desirable species, etc. followed by clearcutting of unmerchantable(undesired) trees. This technique is usually adopted to maintain the proportion and continuity of various species of trees.
45. What process in the nitrogen cycle on this planet is taking place in the purple
growth cells?
Answer:
When an organism excretes waste or dies, the nitrogen in its tissues is in the form of organic nitrogen (e.g. amino acids, DNA). Various fungi and prokaryotes then decompose the tissue and release inorganic nitrogen back into the ecosystem as ammonia in the process known as ammonification.
Explanation:
help my and thanks.cd
Answer: Richter scale
Explanation:
Answer:
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Explanation:
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I NEED THIS DONE!!! 50 POINTS!!! PLEASE HELP
Balanced
Explanation:
because if 14 divided by 2 is 7 and 2 stays the same
To increase the absorption of nonheme iron in beans, you can eat a food with _____ alongside the beans
To increase the absorption of nonheme iron in beans, you can eat a portion of food with vitamin C alongside the beans.
What are vitamins?Vitamins are certain micronutrients that may help to absorb other nutrients (e.g., minerals) in the body.
Vitamins are micronutrients that can be classified as fat-soluble vitamins and water (hydrophilic) soluble vitamins.
Vitamin C is required for the formation of blood vessels, muscle and cartilages in the body.
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Which hormones promote facultative water reabsorption?.
Answer:
The correct answer is option (d) ADH. The hormone that is responsible for facultative water reabsorption is the antidiuretic hormone (ADH).
Question 10 of 10
What is the name of the planet next to the label A?
Solar System
EARTH
SUN
A Neptune
ООО
B. Mercury
C. Jupiter
D. Venus
I
Answer:
Venus
Explanation:
The order is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
Planet A is in the second ring which correlates with Venus
What would happen if the salmon were over harvested
Some enzymes act with the assistance of a non-protein component. This component is called a ; if that component is an organic molecule it can be called a
Some enzymes act with the assitance of a non-protein component and this component is called : Cofactor If the component is an organic molecule it can be called a : Coenzyme
What are EnzymesEnzymes are proteinous organic catalyst present in living organisms that regulates/determines the rate at which a chemical reaction occurs in an organism, but not used up in the process. A no-protein component that assists an enzyme in the process is known as a cofactor.
Hence we can conclude that ome enzymes act with the assitance of a non-protein component and this component is called : Cofactor If the component is an organic molecule it can be called a : Coenzyme.
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How does increases in human populations affect the Earth?
Answer:
:)
Explanation:
Human population growth impacts the Earth system in a variety of ways, including: Increasing the extraction of resources from the environment. These resources include fossil fuels (oil, gas, and coal), minerals, trees, water, and wildlife, especially in the oceans
The color yellow (Y) is a dominant trait. The color green (y) is a recessive trait. If a pure yellow pea (YY) mates with a pure green pea (yy), what will the offspring look like?
A. All yellow
B. All green
C. 1/2 yellow 1/2 Green
D. 3/4 blue 1/4 yellow
Answer:
A) All yellow
Explanation
If the hom ozygous dominant ma tes with the hom oz ygous recessive, 100% of offspring will be he tero zygous and express the dominant trait. Looking at the help image below, all offspring will be he teroz ygous and e xpress the yellow color trait.
I hope this helps!
What is the relationship between cells and tissues brainpop.
Answer:
Tissues are comprised of cells. Cells are comprised of tissue.
Explanation:
In the 1950s, the structure of dna was discovered by using models and x-ray chromatography. currently, science has used advanced technology to completely map out the genes in a human’s body. what would be the best advantage of using this information? gene therapy to correct defective genes that cause diseases gene therapy to remove bacteria from the soil more communicable diseases fewer communicable diseases
The best advantage of using this information is that gene therapy to corrects defective genes that cause diseases.
What do you mean by Gene therapy?
Gene therapy may be defined as a process of altering the genes inside your body's cells in an effort to treat or stop the disease.
Gene therapy refers to the methodology that implicates the introduction of nucleic acids (DNA or RNA) into the cells of an organism for the pursuit of correcting abnormalities and irregularities, such as a mutation or in other words to treat genetic diseases and disorders.
Therefore, the best advantage of using this information is that gene therapy to corrects defective genes that cause diseases.
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In which location would you expect to find the greatest species diversity?
Help me right know!
why is heating water changing its volume
Answer:
As heat increases water begins to evaporate. Evaporation begins at 0C and is at full effect at 100C. So by increasing heat you are increasing rate of evaporation and thus more and more water molecules are lost to the gas phase reducing volume of the water.
Explanation:
compare the effect of the ozone in the troposphere with its effect in the stratosphere where is it harmful where is it helpful
Answer:
Ozone in the stratosphere is helpful; it absorbs harmful UV-B and UV-C waves from the sun, which are both known to cause sunburn and skin cancer. On the other hand, ozone in the troposphere is very damaging; it is a major component of photochemical smog, and it causes eye, nose, and lung irritation and aggravates asthma.
What is the purpose of spindle fibers during mitosis?
divide the cell in half
organize centrioles
separate sister chromatids
split the nuclear envelope
Answer:
I think the answer Is divide the cell in half and see the explanation
Explanation:
Spindle fibers form a protein structure that divides the genetic material in a cell. The spindle is necessary to equally divide the chromosomes in a parental cell into two daughter cells during both types of nuclear division: mitosis and meiosis
Which events caused the oceans to form? select two options. the sun released a strong burst of water vapor. as the earth cooled, water condensed. materials collided due to strong gravitational forces. the ozone layer formed to protect against harmful uv ray exposure. water vapor increased during formation of the early atmosphere.
The events that caused the oceans to form are as the earth cooled, water condensed and the sun released a strong burst of water vapor.
How oceans are formed?Oceans are formed millions of years ago when the water drained into the great hollows on the Earth's surface, the primeval ocean came into existence.
These two events are responsible for the formation of the oceans which is the primitive habitat of the aquatic ecosystem.
Therefore, the events that caused the oceans to form are as the earth cooled, water condensed and the sun released a strong burst of water vapor.
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Normally the salt concentration in human cells is 9 g/Liter. After you eat a very salty meal, your intestinal concentration of salt might rise to 40 g/Liter. In this situation, what will happen to your cells
Answer:
Shrink
Explanation:
The cells will shrink because they lose water by osmosis.
Which of the following phrases incorrectly finishes this statement? a genetic disease that causes death in infancy and has an autosomal recessive inheritance pattern can persist in a population because.
The phrase which incorrectly finishes this statement is that if both parents are carriers, they have a 50% chance of having normal children.
What is an Autosomal recessive disorder?This is the type of disorder which involves two copies of the mutation being sufficient enough to cause the disease.
If both parents are carriers, then the chance of having normal children is zero and not 50 percent.
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Why is a plant classified as an autotroph
Answer:
Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.
Nathan is comparing the cells from a species of amoeba with a species of bacteria. Both species are unicellular, meaning individuals exist as a single cell. Which characteristic of the cells should Nathan expect to be the same in both species?
A. The size and shape of the cell
B. The method of reproduction, or making more cells of the species
C. The organization of DNA into structures such as chromosomes and the cell nucleus.
D. The genetic code that has used by DNA and RNA to direct protein synthesis
Given what we know, we can confirm that Nathan can expect the means of reproduction to be the same in both species, meaning that the correct answer would be option B.
Why is option B the correct choice?When dealing with unicellular organisms, many aspects will always remain the same between the distinct species. One such aspect is the reproduction method used universally by all unicellular species, that being reproduction through binary fission. The organism replicates its DNA and then divides into two identical cells.
Therefore, we can confirm that Nathan can expect the means of reproduction to be the same in both species, meaning that the correct answer would be option B.
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Reptiles lay eggs as a means of reproducing, while mammals give birth to live young.
Which statement best demonstrates a reproductive disadvantage of mammals?
O The long development time can be risky for both the embryo and the mother.
O The embryo may be exposed to predators.
O The embryo is protected in the mother, and when it is born, it is usually well developed.
O The offspring are born full size.
Answer:
The long development time can be risky for both the embryo and the mother.
Explanation: The long development time can be risky for both the embryo and the mother.
why do you think it is important that a cell divides its genetic information evenly between its two daughter cells
Answer:
It is important that the daughter cells have a copy of every chromosome
Which is the first step in the path of a nerve impulse?
a. a receptor picks up a stimulus from the environment
b. the impulse moves from the sensory neurons to the interneurons
c. a nerve impulse travels through the sensory neurons
d. the motor neurons send the impulses to the muscles
How do vaccines work if the pathogen in them is dead?
Answer:
Inactivated vaccines use the killed version of the germ that causes a disease.
Inactivated vaccines usually don't provide immunity (protection) that's as strong as live vaccines. So you may need several doses over time (booster shots) in order to get ongoing immunity against diseases.
Explanation:
FILL THE DIAGRAM!! DUE IN 10 MIN PLEASE HELP
Answer:
1 head
2 neck
3 I am not sure
A woman who is a hemophiliac has a normal daughter. What is the daughter’s genotype? Show
your work with a Punnett square.
Answer:
I found this on the internet so chang some of the word.
Explanation:
Daughter's genotype is XHXh (She got the Xh from her father. She has a normal phenotype, so we know her other allele is XH. A)
Homologous chromosomes may exchange segments; this is called crossing over. crossing over increases genetic variability. when does crossing over occur?
A trade of chromosome segments among non-sister homologous chromatids happens and is referred to as crossing over.
Crossover happens while chromosomes, usually homologous times of the equal chromosome, spoil after which reconnect however to the specific quit piece. If they spoil on the equal location or locus withinside the collection of base pairs, the end result is an trade of genes, referred to as genetic recombination.
What are homologous chromosome?Homologous chromosomes are made from chromosome pairs of about the equal length, centromere position, and marking pattern, for genes with the equal corresponding loci.
Thus it s well expalined.
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