What are the ""bruce lees"" of the immune system? why did they compare them to the real bruce lee?

Answers

Answer 1

Answer: Iron deficient macrophages are the Bruce Lees of the immune system.


Related Questions

__H2SO4+__NaNO2= __HNO2+___Na2SO4

(fill in the blanks, and balance the equation)

Answers

1 H2SO4 + 2 NaNO2 ---> 2 HNO2 + 1 Na2SO4

Please help me, really need it

Answers

Answer:

they r more sever for them because they r a mixed blood type

sumtimes it is very rare for anyone of a mixed blood type to be more vunarable to a diesise rather than a full a or b

Explanation:

Answer:

I believe it is because having two x chromosomes gives the genome a fail safe as it can use the other x chromosomes' non-mutated sequences

Explanation:

If sperm and egg cells have half of the number of chromosomes found in other body cells, how do gametes form?

Answers

cuz they combine during fertilization and since 2 halves = 1 whole, u get gametes w a full number of chromosomes

When we doing Strawberry Extraction, why do we need to remove the air as much as possible before seal the bag?

Answers

to keep it preserved and delicious

Answer:

Why do we need to cool the mixture? DNases or restriction enzymes that destroy DNA are present in the cell's cytoplasm. They are there to protect the cell from invasion by viruses. Once the nuclear membrane is destroyed by the soap, the DNA is now susceptible to the DNases and will quickly be degraded.

Explanation:

When you added the salt and detergent mixture to the smashed strawberries, the detergent helped lyse (pop open) the strawberry cells, releasing the DNA into solution, whereas the salt helped create an environment where the different DNA strands could gather and clump, making it easier for you to see them.

What determines the code, or information, of a DNA molecule?

A - the structure of nitrogen bases

B- the color of nitrogen bases

C- The sequence (order) of nitrogen bases

D- the frequency of nitrogen bases

Answers

Answer:

C- The sequence (order) of nitrogen bases

Explanation:

A polygenic trait is controlled by
A. two or more genes.
B. one gene that has only two alleles.
C. one gene with only one allele.
D. two alleles on two genes​

Answers

Answer:

A. two or more genes because most genetic characteristics or traits are controlled by many genes.

Answer:

A. two or more genes

Explanation:

Please help me answer this bro lol

Answers

Answer:

CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

Explanation:

Which component of the endomembrane system is responsible for packaging and preparing exist proteins in vesticles?

Answers

Answer: Golgi apparatus

Explanation: The Golgi is responsible for packaging sorting tagging and distribution.

Hope this is helpful :)

The total variety of all living things on Earth is described as
А an ecosystem
B biodiversity
с a population
D competition

Answers

Answer:

biodiversity

Explanation:

An ecosystem is all the things in an biome but not all Earth

biodiversity is the variety of all living things

a population is the number of a species in an area

competition is when animals compete for resources

P.S. Please mark Brainliest if correct?

Do spring tides have the lowest tides

Answers

Answer:

No

Explanation:

King tides are the highest tides. ... In the lunar month, the highest tides occur roughly every 14 days, at the new and full moons, when the gravitational pull of the Moon and the Sun are in alignment. These highest tides in the lunar cycle are called spring tides.

Are any change in the sequence of bases in DNA or RNA that can cause by mutagen or can happen spontaneously in the cell

Answers

Answer:

MUTATION

Explanation:

Mutation is a change or alteration in the genetic sequence of a DNA or RNA (nucleic acid) that are induced by a chemical substance called MUTAGEN or by a spontaneous occurrence. Mutation are of different types depending on how it occurs in the cell. A mutation can be deletion (removal), substitution (replacement), insertion (addition) etc.

Based on this question that states that "any change in the sequence of bases in DNA or RNA that can be caused by mutagen or can happen spontaneously in the cell", the process of MUTATION is being described.

What is the mRNA made from the following DNA.
CGATCG?
(please help!)
A. CGTUCG
B. CGATCG
C. GCTAGC
D. GCUAGC

Answers

Answer:

GCUAGC (D)

Explanation:

DNA always consists of A/T and C/G

RNA (mRNA/tRNA always consists of A/U and C/G but never T!

If you have a T in your DNA, your mRNA will have an A.If you have an A in your DNA, your mRNA will have a U.

DNA never has a U, but RNA never has a T.

Hope this makes sense!

4. What is an example of positive feedback?
a. Regulating blood glucose levels

b. Maintaining internal body temperature

c. Producing milk in nursing mothers

Answers

Answer:

C

Explanation:

It is known as lactation. The suckling action of an infant produces prolactin, which leads to milk production; more suckling leads to more prolactin, which in turn leads to more lactation. This is a positive feedback system as the product (milk) produces more suckling and more hormone. When the child is no longer breast feeding, the prolactin drops off and milk production goes down.

Magma is molten (liquid) rock under Earth’s surface. Based on the image, how do you think magma turns into extrusive igneous rock?

Answers

Answer:

Magma come out of volcanoes that cools down and later on hardens up into rocks.  

Explanation:

Magma come out of volcanoes that cools down and later on hardens up into rocks.

What is Magma?

The existence of magma is essential to comprehending the geology and morphology of the mantle because the majority of the mantle and crust are solid.

Different types of magma form as a result of variations in the mantle's and crust's structural features, pressure, and temperature. Decompression Melting The mainly solid mantle of the Earth moves higher during decompression melting.

Convection causes this hot material to rise to a place with lower pressure.

Therefore, Magma come out of volcanoes that cools down and later on hardens up into rocks.

To learn more about magma, refer to the link:

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Would the answer to this be C or would it be A?

Answers

Answer:

I'm thinking maybe A

Explanation:

Scientists determined that an unknown organisms was a eukaryote and not prokaryote. Which characteristic would have allowed them to make this determination?


Grupo de escolhas da pergunta


A) Nuclear envelope


B) Cell wall


C) DNA


D) Flagella




ASAP

Answers

Answer:

cell wall would have allowed them to make this determination

Scientists would have determined that an unknown organism was a eukaryote and not a prokaryote based on the presence of a nuclear envelope (Option A).

What is a nuclear envelope?

The nuclear envelope is a double-membrane structure that surrounds the nucleus in eukaryotic cells and separates the genetic material (DNA) from the rest of the cytoplasm. Prokaryotes, on the other hand, do not have a distinct nucleus or a nuclear envelope. Instead, their genetic material is dispersed throughout the cytoplasm and is not separated from the rest of the cell

Options B, C, and D (cell wall, DNA, and flagella) could also be used to determine whether an organism is a prokaryote or eukaryote, but the presence of a nuclear envelope is a key characteristic that definitively separates the two types of organisms.

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A student prepares for a five-mile run so she eats a nutritious meal three hours before the run. Which correctly illustrates the transformation of energy from eating the meal to the five-mile run?

Answers

Answer: The transformation of energy from eating the meal to the five mile run is from

Chemical energy --> kinetic energy--> thermal energy.

Explanation:

In nature, energy exists in various forms. These forms are inter- convertible, that is, one form of energy can be transformed into another form. Such energy transformations are governed by the laws of thermodynamics.

The first law of thermodynamics states that energy cannot be created or destroyed but may be transformed from one form into another.

Living organisms which comprises the biotic components of an ecosystem are energy converters. For example:

--> plants convert solar energy into chemical energy during photosynthesis

--> animals convert chemical energy into kinetic energy when they move about. This in turn is lost as heat energy when highly complex organised food molecules are broken down.

From the question, the student ate a nutritious meal ( CHEMICAL energy) which is converted to KINETIC energy as she took a five miles run ( as she worked). 'Work' here refers not only to physical activities but also to the various metabolic processes necessary to maintain life. And each time work is done, kinetic energy is converted to heat( thermal energy)

using the count data and observational data you acquired calculate the number of cfus in the original sample

Answers

Answer:

cuales son los datos ?

Explanation:

cuales son los datos

When there is a constant unbalanced force applied in the opposite direction as the motion, speed will ___________________ and acceleration will ________________________.

Answers

Answer:

When there is a constant unbalanced force applied in the opposite direction as the motion, speed will decrease and acceleration will increase.

Explanation:

An opposing force should slow something down, decreasing the speed, and acceleration is just change in speed or direction.

Have a great day!

The map shows the locations of major earthquakes in the Northern Hemisphere.
North
America
Pacific
Ocean
Atlantic
Ocean
Which sentence describes the pattern of earthquakes that the map shows?

Answers

Answer:

earthquakes around the North American continent

Which describes a single enzyme? A. Exists in many different shapes and sizes. B. Takes part in only one type of chemical reaction. C. Slows down the process of chemical digestion. D. Is involved in many types of chemical reactions.

Answers

Answer: B takes part in only one type of chemical

Which option states an advantage of sexual reproduction?

Answers

Answer:

The advantages of sexual reproduction: produces genetic variation in the offspring. the species can adapt to new environments due to variation, which gives them a survival advantage. a disease is less likely to affect all the individuals in a population.

I hope it's helpful!

One definite advantage of sexual reproduction is that it impedes the accumulation of genetic mutations. Sexual selection is a mode of natural selection in which some individuals out-reproduce others of a population because they are better at securing mates for sexual reproduction.

What describes the conversion of ADP to ATP?

Answers

Answer:

ATP stands for adenosine triphosphate, where three phosphoric acids attach themselves to provide high energy phosphate groups to it. This process of conversion of ADP to ATP is called as phosphorylation.

Explanation:

If a middle level species were removed from the community, how might the flow ofenergy be affected? Explain your answer.

Answers

There will be far-reaching effects. If for example, the producer is removed, the consequences could be dire. Producers capture sunlight directly and make chemical energy for consumers. If this is the only producer that a particular consumer eats, it may die as well.
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Related Questions (More Answers Below)

If a strand of DNA has the nitrogen base sequence, GCTAGATGCG, what will be
the sequence of the complementary strand?

Answers

Answer:

CGATCTACGC

Explanation:

The complementary strand of DNA to GCTAGATGCG is CGATCTAGCT.

The nitrogen bases in DNA are complementary to each other. This means that adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C).

The strand of DNA GCTAGATGCG has the following sequence of nitrogen bases:

G - guanineC - cytosineT - thymineA - adenineG - guanineA - adenineC - cytosineG - guanine

The complementary strand of DNA will have the following sequence of nitrogen bases:

C - cytosineG - guanineA - adenineT - thymineC - cytosineT - thymineG - guanineC - cytosine

The complementary strand is created by pairing the nitrogen bases in the original strand with their complementary bases. So, the guanine in the original strand pairs with the cytosine in the complementary strand, the cytosine in the original strand pairs with the guanine in the complementary strand, and so on.

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Please help me with this biology question...........


Chloroplasts are present in some plant cells only Give an example of plant cells that do not contain chloroplasts and explain why​

Answers

Answer:

Chloroplast is specific to plant cell because plants are the autotrophs which can prepare their food by conversion of light energy to chemical energy. It is the vital photosynthetic pigment in leaves as it involves the conversion of light energy into chemical energy.

hope it is helpful.

Answer:

Please let me no if you still need help on this

Explanation:

I will glady help!

Kerstin is getting ready to graduate high school. She wants to become a cardiac perfusionist. Which best describes the path she should take to her career?

Answers

Answer:

four-year degree , master’s degree , certification exam from ABCP

Explanation:

Answer:

She should do a four-year degree , master’s degree , certification exam from ABCP

Explanation:

As a cell grows in size, transporting the materials in and out of the cell becomes more difficult. Which process would help a cell to efficiently transport more materials into the cell as it grows?
Grupo de escolhas da pergunta

A) The cell develops a thinner cell membrane.

B) The cell undergoes a mutation.

C) The cell stores more materials in its vacuoles.

D) The cell divides into two cells creating more space for materials.


ASAP

Answers

Answer: D

Explanation: I answered the question

When the process would helps a cell to efficiently transport more materials into the cell as it grows: The cell divides into two cells creating more space for materials.

How does a Cell Grow?

When a Cell growth is not to be confused with cell division or the cell cycle, which are distinct processes but they can occur alongside cell growth during the process of cell proliferation,

whereas a cell, it is known as the "mother cell", Also, when grows and divides to produce two " daughter cells ".

Therefore, The correct option is 'D'. The cell divides into two cells creating more space for materials.

Find more information about Cell Grow here:

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A. Describe the role of the promoter in eukaryotic gene expression. Explain how a negative regulatory molecule could inhibit transcription at the promoter.

B. Identify TWO events that occur during RNA processing. Explain how RNA splicing increases the variation of mRNA molecules.

C. Describe the role of miRNA in gene expression.

Answers

Answer:

Explanation:

A. The role of promoter in eukariotic gene expression is It is to bind transcription factors that regulate transcription initiation. This molecule is so important because control the binding of RNA polymerase to DNA. The promoter region may be short or very long; the longer the promoter is, the more protein binding space is available. A negative regulatory molecule has the possibilty to inhibit transcription at the promoter because these molecule block the binding of RNA polymerase to the promoter region, thus not allowing the initiation of transcription, in some particular cases the negative regulator binds to the lac repressor and will bind to the promoter in the same site where RNA polymerase would bind to.

B. Two process that occurs during RNA processing are RNA splicing and 5′ capping, 3′. RNA splicing is a process known for removing the introns from the pre-RNA and stuck back together the restant parts, exons. This process has as a goal form a mature mRNA that does not contain the intron sequences. RNA splicing has an effect on the variation of mRNA molecules because through a process called alternative splicing more than one mRNA can be made from the same gene. 

C. Even though they are not quite the same thing miRNA and negative regulatory molecules have the same role, which inhibits the translation and silence genes. They regulate gene expression by binding to the 3'-UTR of their target mRNAs and destabilizing the mRNA and translational silencing, repressing protein production. Even so, under specific circumstances, miRNA can activate translation or regulate transcription.

How are all animal cells alike?

Answers

Answer:

Animal cells have centrosomes and lysosomes

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