a critical event in the death of a cell is caused by

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Answer 1

Answer:Apoptosis and autophagy are both forms of programmed cell death. Necrosis is the death of a cell caused by external factors such as trauma or infection and occurs in several different forms.

Explanation:


Related Questions

why is Ten dollars and Ice not a kinetic energy ?

Answers

Answer: They aren't kinetic energy

Explanation: They are not because it is either motionless or at rest.

why is it important for gametes to be haploid jiskha

Answers

Answer:

its important for gametes to be haploid so when fusion of the Male and female gametes take place after fertilization the correct amount of chromosome numbers specific to the species can be restored

It is important for gametes to be haploid as just to maintain the chromosomal number. It is present for the sake of incorporation of both of the sets of chromosome in the progeny.

What is the number of chromosomes in humans ?

It is having 23 pairs of chromosomes that is having total of 46 chromosomes.

Because meiosis just  creates cells which are destined to be  the gametes  and in this reduction in the  chromosome number is just  critical that is  without the process, the union of the  two gametes  that are during  the fertilization that will result in  the offspring with just  twice of normal number of the  chromosomes.

Haploid cells in the  humans are just produced out  by meiosis. This is type of  the cell division in which the  single diploid parent cell  just divides to just  produce four with the non-identical  type of the haploid daughter cells. In  meiosis is just  used to get the type of the  produced  type of gametes and is are a  necessary kind of  precursor to  the sexual reproduction.

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I’ll give brain

Drag the tiles to the correct boxes to complete the pairs.


What is the function of each lymph organ?

The last drop-down box is spleen which you can’t see in the picture.

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Answer: The primary lymphoid organs are the red bone marrow, in which blood and immune cells are produced, and the thymus, where T-lymphocytes mature. The lymph nodes and spleen are the major secondary lymphoid organs; they filter out pathogens and maintain the population of mature lymphocytes

Explanation: hope this helps bye :)

In an experiment that compares a combination mental-physical practice condition to an all-mental practice condition, an all-physical practice condition, and a no practice condition, the typical results show that participants in the combination mental-physical practice condition would learn the skill

a. as well as or better than those in the all-physical practice condition.
b. about as well as those in the all-mental practice condition.
c. about as well as those in the no practice condition.
d. The results would depend on the combination of the amount of mental and physical practice.

Answers

The combination mental-physical practice condition is effective to learn the skill as well as or better than those in the all-physical practice condition. Mental-physical practice enhances both cognitive and physical skills.

Mental practice, also known as mental/skill rehearsal, refers to the cognitive (i.e., thinking) rehearsal of a given skill prior to its execution.

It has been shown that mental practice can be effective for enhancing the performance of both cognitive and physical skills.

The mental-physical practice has been shown to be helpful to enhance self-motivation, confidence, and reduce feelings of anxiety.

Mental practices always must be employed to supplement physical practices instead of replacing such physical exercises.

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What characteristics do Prokaryotic and Eukaryotic cells share? (Select all that apply)

A. Have DNA
B. Ribosomes
C. Cell Membrane
D. Chloroplasts

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Answer:

Both have:-

A) Have DNA

B) Ribosomes

C) Cell membrane

the process of converting dna to rna is called _______.

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Taking the dna from another human or animal to another species and change dna

A student is given four components of evolution, shown in the four boxes here. Which statements can be formed using the terminology shown here to accurately describe the evolution within a species? Select ALL that apply.

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Answer:

C and E

Explanation:

The key feature here is that individuals cannot evolve. Individuals are either adapted in their movement. This is how evolution by means of natural selection occurs.

The statements which can be formed using the given terminology are: Individuals have different genetics, leading to the evolution of populations. Individuals with adaptations are based on genetics, allowing for populations to undergo evolution. Thus, the correct options are C and E.

What is Evolution?

Evolution can be referred to as the change in heritable characteristics of biological populations over the period of successive generations. These characteristics are the expressions of genes, which are passed on from the parents to their offspring during the process of reproduction.

The statements which can be formed using the given terminology include: 1. Individuals have different genetics, leading to the evolution of populations. 2. Individuals with adaptations are based on genetics, allowing for populations to undergo evolution

Therefore, the correct options are C and E.

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contains stem cells that develop into all cells of the body in a process called hematopoiesis

Answers

Answer:

Bone marrow is soft, spongy tissue at the center of bones, and it plays an essential role in creating RBCs. The marrow produces stem cells, which develop into RBCs, white blood cells, and platelets.

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Explanation:

Which items are TRUE about minerals? Select the three correct answers. (2 points)
Observing one property is often the best way to identify minerals,
Rocks are the components that make up minerals.
Minerals can only be identified by their color and hardness.
Minerals are the components that make up rocks.
O Minerals are naturally occurring substances
Minerals are made of one element or one compound of elements

Answers

Answer:

The correct answers are 1) minerals are the components that make up rocks. 2) Minerals can only be identified that make up minerals. 3) Minerals are made of one element or one compound of elements.

Explanation:

I took the test. I got this question wrong but after submitting it, the lesson should me the correct answer.

The items that are true about minerals are:

Minerals are naturally occurring substances.

Minerals are inorganic and homogeneous substances, which can be found on the surface of the Earth, formed in it naturally / spontaneously.

Minerals are made of one element or one compound of elements.

Minerals are found in various forms in nature since they can be of a single element, such as gold, silver, copper, or a combination of elements, such is the case of some chemical compounds such as quartz, which is formed by silicon and oxygen.

Minerals are the components that make up rocks.

A rock is a material that can be made up of a mineral or a combination of them, but its chemical composition is variable.

Therefore, we can conclude that a mineral is a substance produced by processes of inorganic nature which are made of one element or one compound of elements.

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Where does fertilization of an ovum occur?

Answers

Answer:

a. In the fallopian tubes

Explanation:is correct. post protected

1. How does Air move in Earth's Atmosphere?

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Answer:

Air in the atmosphere moves around the world in a pattern called global atmospheric circulation. ... When the air cools, it drops back to the ground, flows back towards the Equator, and warm again. The, now, warmed air rises again, and the pattern repeats. This pattern, known as convection, happens on a global scale.

Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of a white offspring in a cross: Bb x bb. ​

Answers

Answer:

50%

Explanation:

the probability of white offspring is fifty percent

8
1 point
If an element is radioactive
0 It will react with other elements to form compounds
It will not react with other elements
It will spontaneously decay into other stable elements
It will spontaneously explode
Previous

Answers

It will spontaneously decay into other stable elements

When protons are actively transported across the cristae membrane in mitochondria to set up a proton gradient between the inter-membrane space and the mitochondrial matrix, this is referred to as___________________

Answers

Answer:

Explanation:

Heres where to get your answer

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A decrease in metabolism without a similar, compensatory decrease in alveolar ventilation will have what effect on the systemic pH

Answers

Answer:

The PH will increase

Explanation:

Which of the following is NOT a cause for siblings to look differently?


sexual reproduction


independent assortment


crossing over


mutations

Answers

Answer:

mutations is the answer

Based on cell theory, which of these answer choices would describe one reason a virus is considered nonliving?

Answers

Answer:D

Explanation:

I just did it

What are the five areas that scientists use to paint the picture of how organisms are related

Answers

Answer:

Phylum.

Order.

Class.

Family.

Genus.

Species.

Which vocabulary word could explain an increase in population growth?

A)biodiversity B)island biogeography C)emigration D)immigration

needed asap

Answers

D. ) immigration i think don’t quote me

materials are cycled out by the chloroplast and mitochondrion​

Answers

Carbon dioxide, Water, Sugar And Oxygen.

Raul is learning about fetal development, but is confused about the role mitosis plays in the fetus growing. In 3-5 sentences explain what mitosis does in fetal development. Include how the same DNA is in every cell, and how the fetus grows in size.

Answers

Answer:

Most of the fetus will be born in the 40 weeks of pregnancy, but really can accurately only about 5% of babies born in due two weeks in advance or delay two weeks are normal.

Explanation:

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Which statement is true? (1 point)
O Mendelian traits cannot be shown on a bell curve.
O Hair color and IQ are examples of Mendelian traits.
Mendelian traits are controlled by multiple genes.
O Mendelian traits follows a normal distribution.

Answers

Answer:b

Explanation:

the who, the animals, the kinks, and the yardbirds were all part of the __________.

Answers

The Who, The Animals, The Kinks, and The Yardbirds were all part of the BRITISH INVASION. This term is used to indicate the emergence of British (UK) music in the USA.

The British Invasion refers to the cultural phenomenon in which rock and pop music from the UK became popular in the USA.

The British Invasion was not only a musical movement of the mid-1960s, but also included other aspects of British culture.

The Beatles group was a pioneer rock music band that arrived in the USA and was massively popularized.

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identify the explanations researchers suggested to explain differences in health and mortality by gender.

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The differences in health and mortality by gender is a phenomenon for which researchers have many possible explanations.

There have been studies that have indicated that there is enough variation in the average health of males and females to conclude that there are factors at play that are affecting health.

Amongst the many possibilities, scientists have mentioned:

Gender-reliant genetic vulnerability Hormonal factorsDifferences in physiology

as the main possible reasons.

Hormones play a big part in the health of each individual and are vastly different between genders, along with the endless differences in physiology at a molecular level. These factors together may explain why some members of a gender are more vulnerable to genetic illness.

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Create a new way to purify water

Answers

Answer:

boil

Explanation:

answer: boil it
explainition:make hot water

Explain how hydrogen fuel cells work, and why they provide a healthy, clean way to produce heat and electricity. (Site 1).

Answers

Answer:

As there are no moving parts, fuel cells operate silently and with extremely high reliability. Due to their chemistry, fuel cells are very clean. Fuel cells that use pure hydrogen fuel are completely carbon-free, with their only byproducts being electricity, heat, and water.

Answer:

As there are no moving parts, fuel cells operate silently and with extremely high reliability. Due to their chemistry, fuel cells are very clean. Fuel cells that use pure hydrogen fuel are completely carbon-free, with their only byproducts being electricity, heat, and water.

are genes for green seeds similar to yellow genes? Explain your answer.

Answers

Answer:

Explanation:

There is no “yellow” gene in the peas found on farms. ... Mendel's experiments showed that green is the recessive seed color in pea plants.

Since yellow is dominant to green, all of the offspring were yellow.

which specialized structures are unique to the cnidarians?

Answers

Explanation:

Cnidarians contain specialized cells known as cnidocytes (“stinging cells”) containing organelles called nematocysts (stingers).

Cnidarians have stinging cells which are known as cnidocytes. This is the unique feature of cnidarians.

What are cnidarians and their characteristics?

The class Soft-bodied stinging creatures like corals, sea anemones, and jellyfish are categorized as Cnidaria. Nearly every ocean ecosystem contains cnidarians. They may survive in warm or cold, shallow or deep water. Freshwater is home to a few species. Cnidarians can either live alone or in colonies.

Cnidarians share a number of fundamental traits. Cnidaria is all aquatic organisms, primarily marine ones. All of them have stinging tentacles called nematocysts that they utilize to capture prey. Cnidarians have just two body layers: the ectoderm and endoderm, which are divided by a layer that resembles jelly and is known as the mesoglea.

Thus, cnidocytes are unique features of cnidarians.

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Natural selection, mutation, genetic drift, nonrandom mating, and gene flow are all mechanisms of ______ and can change allele frequencies in populations.

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They are all mechanisms of Evolution and can change allele frequencies in populations

Natural selection, mutation, genetic drift and gene flow are all capable of causing varying changes in allele frequencies in a population. and these changes leads to the violation of Hardy-Weinberg assumptions

Hardy-Weinberg assumption states that; for a population to experience an unchanged allele frequencies, certain conditions must be met by the population such as ; absence of natural, random mating , absence of migration and absence of mutation.

Hence we can conclude that Natural selection , mutation, genetic drift and gene flow are all mechanisms of Evolution and can change allele frequencies in populations

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What particular organ or component of the body that is involved in regulating PH.

Answers

Answer:kidneys

Explanation:

it filters all liquad

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