Answer:
Telomeres
Explanation:
Telomeres are present at the ends of chromosomes and prevent the lose of genes. They shorten as a person ages. Thus lengthening them may slow down age related problem.
If telomeres could be lengthened, the age-related problems could be slowed.
• The end of a chromosome is known as a telomere it is formed of repetitive sequences of non-coding DNA, which protect the chromosome from destruction.
• With each cell division, shortening of telomere takes place. Eventually, with too much shortening of telomere the cell fails to divide any further.
• It is seen that with age shortening of telomere takes place.
• The continuous shortening of telomere results in apoptosis, senescence, thus, influencing the lifespan and health of a person.
• Shorter telomeres have been related to poor survival and increased incidence of diseases.
• It is believed that if the lengths of the telomeres can be increased than the age-related issues could become slow.
• However, the shortening of telomere can be increased or decreased by some of the lifestyle factors.
• Activities and better choice of diet possesses great tendency to diminish the rate of telomere shortening.
Thus, the given blank can be filled with telomeres.
To know more about:
https://brainly.com/question/1243444
Plzzzzz helppppp meeee
Answer:
B
Explanation:
The answer is B :)
What statement are true about the geologic timeline
Answer:
i think the 3rd one
Explanation:
name all the cell organelles which are found in plant cell but not in animal cell
Answer:
Plant cells contain all of the same organelles as animal cells, including mitochondria, a nucleus, ribosomes, smooth and rough ER, Golgi apparatus, lysosomes, peroxisomes, cytoplasm, and a cell membrane. However, they also contain some subcellular structures that are absent in animal cells, such as chloroplasts , a vacuole, and a cell wall.
Explanation:
please add me as brainliest.
members of two separate species mate, but the sperm cell is not capable of penetrating the egg. this would be due to what is known as:
The inability of a sperm cell from one species to penetrate the egg of another species is known as Gametic isolation.
What is Gametic isolation?Gametic isolation is known to occurs when sperm from one species cannot fertilize the eggs of another species.
It is noted that in many species, the sperm cells and eggs have special proteins on their surfaces that must bind together for fertilization to occur.
If the proteins do not match due to species differences, the sperm cannot penetrate the egg, preventing fertilization.
This serves to maintain the separation of species and prevent the production of hybrid offspring that may not be viable or fertile.
Find more exercises on Gametic isolation;
https://brainly.com/question/30974733
#SPJ1
How does each cell in a child get one copy of each gene from his/her mother and another from his/her father?
Each cell in a child's body receives one copy of each gene from the child's mother and another from the child's father through a process called meiosis.
What is meiosis?Meiosis is a specialized type of cell division that occurs in the reproductive cells (gametes) of the parents, which eventually combine to form the fertilized egg (zygote) that develops into the child.
During meiosis, the parent's cells divide twice, resulting in four haploid (having half the number of chromosomes as normal body cells) daughter cells.
In each of these daughter cells, the genetic material is shuffled and divided in a way that results in each cell receiving one copy of each chromosome from the mother and one from the father.
Learn more about meiosis at: https://brainly.com/question/8253366
#SPJ1
After watching a Netflix documentary that details the effect rising CO2 levels in the atmosphere have on global warming, your uncle claims that excess CO2 in the atmosphere is good for plants, because they need it for photosynthesis. He also says that rising temperatures are good because it makes chemical reactions happen faster. State if you think this opinion has scientific merit and justify your answer. Please use photosynthesis terms!!
The course adjustment knob on a microscope should never be used with which of the
following?
Select one:
a. medium-power lens
b. low-power lens
C. eyepiece
d. high-power lens
Muscle tissue that is attached to what is skeletal muscle
Answer:
tendons
Explanation:
Skeletal muscles are attached to bones by tendons, and they produce all the movements of body parts in relation to each other. Unlike smooth muscle and cardiac muscle, skeletal muscle is under voluntary control.
for the genotype shown below, which best describes the expression of the b-galactosidase gene. i o z / f’ is o
The expression of the b-galactosidase gene is best described as non-functional in the given genotype.
How would you describe the expression of the b_galactosidase gene in the given genotype?The expression of the b-galactosidase gene is best described as non-functional in the given genotype, which is represented as i o z / f' is o. This genotype suggests that the individual carries two important alleles that influence the expression of the b-galactosidase gene.
The i allele, in this case, plays a crucial role in determining the expression of the b-galactosidase gene. It is a recessive allele that leads to the absence of the enzyme required for the hydrolysis of lactose, a sugar found in milk and dairy products. As a result, individuals with the i allele cannot efficiently break down lactose into its constituent sugars, glucose and galactose.
The absence of functional b-galactosidase enzyme activity leads to lactose intolerance, which is characterized by digestive symptoms such as bloating, gas, and diarrhea after consuming lactose-containing foods. Lactose intolerance is a common condition, especially among adults, as the production of the b-galactosidase enzyme decreases with age in most individuals.
In this particular genotype, the presence of the i allele indicates a higher likelihood of lactose intolerance. This means that individuals with this genotype may need to avoid or limit their intake of lactose-containing foods to prevent digestive discomfort.
Learn more about b-galactosidase
brainly.com/question/30510337
#SPJ11
Which anterior pituitary hormone has non-endocrine cells as its target? Check all that apply.
a. luteinizing hormones
b. prolactin
c. growth hormone
d. ACTH
Anterior pituitary hormone has non-endocrine cells as its target b. prolactin c. growth hormone
The , non-tropic hormones are released by the anterior pituitary gland that includes GH (growth hormone),prolactin and melanocyte stimulating hormone.
Also , the Non-tropic hormones are hormones that can directly activate the target cells to cause effects. Their function differs from the tropic hormones, that works on other endocrine gland. While Non-tropic hormones works by directly acting on targeted tissues or cells, and not on other endocrine gland in order to stimulate and release any other hormones.
Hence , B,C are the correct option
To learn more about Anterior pituitary hormone , here
brainly.com/question/29757316
#SPJ4
Who has the right of way at an uncontrolled intersection in California?
When two vehicles reach an uncontrolled intersection at the same time, the vehicle on the right has the right of way in California.
Give way to cars and pedestrians on the through route at "T" crossings without "STOP" or "YIELD" signs. The path should be taken by them.
All approaching cars that are near enough to be dangerous must yield the right-of-way when you make a left. Search for motorcycles, bicycles, and pedestrians as well.
Keep your wheels pointed straight ahead as you wait to make a left turn until it is safe to begin the turn. You can be forced into oncoming traffic if you have your wheels oriented to the left and a car hits you from behind.
Learn more yielding the right of way here:
https://brainly.com/question/29796268
#SPJ4
which of the following blood components provide the major defense for our bodies against viruses
Answer:
White blood cells
Explanation:
how that food molecules and oxygen transfer energy to the cell to support life’s processes, including controlling body temperature, despite losing energy as heat.
Cellular respiration is the process in which the food molecule along with oxygen is broken which provides energy to the muscle and tissue.
Why molecule is transported to the cell?Cellular respiration is a chemical manner in which the bonds of meal molecules and oxygen molecules are broken and new compounds that can deliver strength to muscle tissue are shaped. Cell respiratory releases the electricity had to maintain frame temperature notwithstanding ongoing electricity switch to the surrounding environment.
During cellular respiration, the energy which is present in the food is converted into the king of energy that is used by the body's cells. In this process, glucose and oxygen are converted into carbon dioxide and water, and the whole energy is transferred to ATP. Chemical respiration is the process in which the organism combines oxygen and produces energy which is required for the body's cells.
So we can conclude that cellular respiration is the process in which the food molecule along with oxygen is broken which provides energy to the muscle and tissue.
Learn more about Oxygen here: https://brainly.com/question/26073928
#SPJ1
What is an earthquake?
define it
Answer:
An earthquake is a sudden and violent shaking of the ground caused by the movement of tectonic plates beneath the Earth's surface. Tectonic plates are massive slabs of rock that make up the Earth's crust and are constantly moving and shifting. When the plates collide or slide against each other, they can create a release of energy in the form of seismic waves that cause the ground to shake.
The magnitude, or strength, of an earthquake is measured on the Richter scale, which ranges from 0 to 10. Earthquakes with a magnitude of 4.5 or greater can cause significant damage, while those with a magnitude of 7.0 or greater can be catastrophic and cause widespread destruction.
Earthquakes can occur anywhere in the world, but are most common in areas where tectonic plates meet or where there are active faults. They can also be triggered by human activities such as mining, drilling, and the construction of large dams.
cohesion is a property water.Which of the following is NOT an example of cohesion
a.water is attracted to the sides of a glass cylinder
b.water strider can walk on water
c.water forming a drop on a penny
d.water molecules are attracted to each other
Answer:
A po kasi nga kapag ang tubig ay naisalin sa isang baso minsan ang tubig ay dumidikit sa baso tama diba kaya naman ang sagot ay A baka naman brainliest naman jan:)
Water is attracted to the sides of a glass cylinder is an example of cohesion.
What do you mean by cohesion?Cohesion means sticking together. If your group of friends heads to the lunchroom as a team and sits all together, you're demonstrating strong cohesion.
Cohesion allows for the development of surface tension, the capacity of a substance to withstand being ruptured when placed under tension or stress.
Cohesion refers to the attraction of molecules for other molecules of the same kind, and water molecules have strong cohesive forces thanks to their ability to form hydrogen bonds with one another.
Learn more about cohesion:
https://brainly.com/question/29598400
#SPJ2
In a paramecium, the nucleus divides first and then the cytoplasm divides, forming two identical daughter cells. Which type of reproduction takes place in paramecia?
Answer:
This type of reproduction is called binary fission.
Explanation:
Binary fission is a type of reproduction in paramecium that involves producing two identical daughter cells from one mother cell. These daughter cells are called clones, and are not genetically distinct from their progenitor. No genetic exchange is involved and they are genetically indequingishable.
The resulting DNA is identical to the original copy and newly copied chromosomes separate into two identical daughter cells with the same chromosome number. All offspring remain identical.
How is cellular respiration is similar in both plants and animals?
Answer:
The cells in both plants and animals perform respiration. Carbon dioxide is also released into the atmosphere when fuels are burned, such as in automobiles or factories. Plants take in carbon dioxide and release oxygen through their leaves. Plants use a process called photosynthesis to make their own food.
Explanation:
Cellular respiration is similar in both plants and animals in that it converts glucose and oxygen into energy in the form of ATP, produces carbon dioxide and water as byproducts, and occurs in the mitochondria.
What is cellular respiration?Cellular respiration is a metabolic process that occurs in both plants and animals to convert the energy stored in food molecules into a form that cells can use, called adenosine triphosphate (ATP). In both plants and animals, cellular respiration occurs in the mitochondria and involves a series of chemical reactions, including glycolysis, the citric acid cycle, and the electron transport chain.
During these reactions, glucose and oxygen are consumed, and carbon dioxide and water are produced as waste products. The energy released in these reactions is used to generate ATP, which provides energy for the cell's activities. Additionally, both plants and animals use a similar process, called photosynthesis, to convert light energy into chemical energy.
Learn more about cellular respiration, here:
https://brainly.com/question/29760658
#SPJ2
In oogenesis: Select one O a unequal cytoplasmic division results in a large egg and a smaller polar body. Ob which chromosomes are discarded in the polar body is random due to independent assortment. O c. the initial steps occur during fetal development Od less gametes are produced per cycle than spermatogenesis O e All of the above.
In oogenesis, the unequal cytoplasmic division results in a large egg and a smaller polar body, and the chromosomes discarded in the polar body are random due to independent assortment.
During oogenesis, the process of egg cell development in females, the cytoplasm divides unequally. This division results in the production of a large egg cell that contains most of the cytoplasm and resources necessary for embryonic development, while a smaller polar body is formed with minimal cytoplasm. This uneven division ensures that the resulting egg cell has enough nutrients and organelles to support fertilization and early embryonic development.
Additionally, the chromosomes discarded in the polar body are determined by the process of independent assortment. Independent assortment occurs during meiosis I, where homologous pairs of chromosomes align randomly along the equator of the cell, and their separation into daughter cells is independent of other chromosome pairs. As a result, the chromosomes that end up in the polar body are randomly selected from the maternal chromosomes, contributing to genetic diversity in offspring.
In contrast to oogenesis, spermatogenesis is the process of sperm cell development in males. Spermatogenesis produces four functional sperm cells from each precursor cell, while oogenesis only produces one mature egg cell per precursor cell. This means that less gametes are produced per cycle in oogenesis compared to spermatogenesis.
In summary, during oogenesis, unequal cytoplasmic division leads to the formation of a large egg cell and a smaller polar body, and the chromosomes discarded in the polar body are determined by independent assortment. Moreover, oogenesis produces fewer gametes per cycle compared to spermatogenesis.
Learn more about cytoplasmic division
brainly.com/question/32754068
#SPJ11
When RNA polymerase reaches a specific sequence of nucleotides on the DNA called the transcription terminator, a hairpin loop structure forms on the DNA strand causing the RNA polymerase and mRNA to dissociate from the DNATrue or False
The RNA polymerase and the messenger RNA (mRNA) separate from the DNA when it reaches a certain set of nucleotides on the DNA strand known as the transcription terminator. This sequence of nucleotides is known as the transcription terminator. False.
The opposite three prime to five prime DNA strand serves as a template for RNA polymerase as it creates an mRNA strand in the five prime to three prime direction. The area of the gene being transcribed that is rich in C and G nucleotides is reached by the RNA polymerase as it nears the end of the gene.
The complementary C and G nucleotides join together as the RNA that comes from this area folds back on itself. The outcome is a steady hairpin that stops the polymerase.
Learn more about RNA polymerase Visit: brainly.com/question/15872478
#SPJ4
please answer if u do know
Answer:
im pretty sure its a car completely put tg.
Explanation:
Scientific Definition of Mass:
Mass is the quantity of inertia (resistance to acceleration) possessed by an object or the proportion between force and acceleration referred to in Newton's Second Law of Motion (force equals mass times acceleration). In other words, the more mass an object has, the more force it takes to get it moving.
Which structures are most important in determining evolutionary relationships between organisms-analogous, homologous or vestigial? Rank the
structures from most to least important with the most important at the top.
=Analogous
Homologous
Vestigial
The structures that are most important in determining evolutionary relationships between organisms-analogous, homologous or vestigial from most to least important with the most important at the top will be:
Homologous.VestigialAnalogousHow to illustrate the evolution?Analogous traits lack the shared evolutionary history of homologous traits, which allowed them to arise. Because they show evidence of evolutionary relationships, homologous structures are more significant to evolutionary biologists than analogous structures.
The retention of genetically determined traits or structures that no longer serve their original purpose in a given species is known as vestigiality.
In conclusion, the ranking is illustrated above.
Learn more about evolution on:
https://brainly.com/question/26502157
#SPJ1
what's the answer???
Answer:
D. Community C has a greater species population than Community B and A.
Explanation:
Community C total population: 98
Community B total population: 62
Community A total population: 24
ANSWER QUICK PLS
What determines if a biome is a desert?
- temperatures
- amount of sand
- wildlife
- precipitation
Answer:
precipitation
Explanation:
Rainfall is the only thing that determines what is a desert. Antartica is a desert because of its lack of precipitation
Does anyone know 12?? Will mark brainliest
Which of the following is true about folds?
A
They do not create mountains.
B
They are entirely broken rock plates.
C
They occur only in the inner core.
D
They can create deep valleys.
Answer:
D. they can create deep valleys
Explanation:
Hope this helps ⭐
They can create deep valleys is true about folds.
What are Deep valleys?
The combined effects of gravity, water, and ice result in valleys, which are low-lying sections of land that have been eroded and washed out. Some are hollow, while others hang.
The majority of primary valley cuts are made by rivers and streams, creating sides with high walls and a narrow floor that from a distance resembles the letter "V." The steepness of the sides and the width of the floor are both influenced by the gradient of the river, or how quickly it descends.
Waters add to the land's natural twists as they move toward the sea by removing sediment from bends' exteriors.
Therefore, They can create deep valleys is true about folds.
To learn more about Deep valleys, refer to the link:
https://brainly.com/question/30333289
#SPJ6
since the dye used in this assay binds to proteins in the skin, what protection (besides goggles) should be worn?
If the dye used in an assay binds to proteins in the skin, it is important to wear protective clothing to prevent direct contact with the skin. This can include long-sleeved shirts, pants, and gloves made of appropriate materials. Additionally, closed-toe shoes should be worn to protect the feet.
In addition to protective clothing, it is also important to handle the dye in a well-ventilated area to avoid inhalation of fumes. A respirator may be necessary if the dye has particularly strong fumes.
It is always recommended to review the Material Safety Data Sheet (MSDS) for any chemical being used in an assay and to follow all recommended safety precautions to minimize the risk of exposure and injury.
To learn more about protective clothing, visit here
https://brainly.com/question/14186083
#SPJ4
PLEASE HELP!!!!
What organ connects the brain to the peripheral nerves?
Answer:
Cranial
Explanation:
connects the brain with the periphery or spinal - connects the spinal cord with the periphery.
Fungi can be beneficial or destructive. One type of fungi, corn smut, attacks grain plants like corn. What would likely happen to these crops when they are attacked by smut?A. The crop yield is increased.B. The plants stop reproducingC. Results in huge crop loss
The Ustilago maydis is a fungi that causes a plant disease named corn smut, that attacks corn and teosinte plants. The corn smut reduces corn yields causing economic impact for the producers and farms, the symptoms of the disease are:
- Seeding infection causes the twisting and dropping of the leaves;
- Can effect the stem, leaves, clum, and stages of seed maturity;
- The apparence of gray to grayish black sori on the leaf and sheath, the sorus will contain black powder mas of spores of the fungi. Therefore, the disease will cause a huge crop loss (C), since the corn with the corn smut will not be sell to the consumers.
What is an example of adaptive social behavior
Birds help take care of each other's young to increase their chances of survival, and the behavior is passed on to offspring
Go to the dropdown section, Limbic System.
Which part of the limbic system monitors blood pressure and blood levels of glucose
and salt?
A.medulla
B.all of the listed parts of the limbic system
C.hypothalamus
D.amygdala
E.hippocampus
Amygdala and hippocampus of the limbic system monitors blood pressure and blood levels of glucose
and salt.
What is the limbic system?
Particularly when it comes to behaviours like feeding, reproducing, and raising children as well as fight-or-flight reactions, the limbic system is the part of the brain that regulates human behaviour and emotions.The limbic system's components are tucked away deep within the cerebral cortex and brainstem. Two of the limbic system's essential parts include the hippocampus and the amygdala, as well as the thalamus, hypothalamus (which generates essential hormones and controls appetite, thirst, mood, etc.), and basal ganglia.To know more about limbic system, click the link given below:
https://brainly.com/question/30413961
#SPJ1