What genes control cell differentiation during development?

Answers

Answer 1
Answer: The answer to your question is the hox genes which are important for segmentation.

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True or False?
Only a living organism exhibits all of the characteristics of life.

Answers

Answer:

True

Explanation:

All living things such as plant, animal, human being and micro-organisms on this planet are able to exhibit all characteristics of life such as breathing, movement , reproduction, sensation, growth, excretion, nutrition etc. on their own. They are made of living cells that specializes themselves to perform specific task.

Non living things are not able to exhibit all the above characteristics of living things as they are made up of dead molecules/atoms.

Thus, the given statement is true.

I would say its true. Does inanimate objects do life like things? 

Does ceres the dwarf planet orbit mars?

Answers

Yes, for a prove :

" On Friday morning (March 6), NASA's Dawn spacecraft will arrive at Ceres, becoming the first probe ever to orbit a dwarf planet. Ceres is the largest object in the asteroid belt between Mars and Jupiter, and the closest dwarf planet to Earth" - google ...


CAN THIS MAYBE HELP ?

Which organ in the digestive system has a function that is most similar the function of the bladder in the excretory system?(1 point)A. small intestine


B. esophagus


C. large intestine


D. stomach


Will mark brainlest

Answers

The stomach is similar to the function of the bladder in the excretory system. The answer is D. stomach.

The urinary bladder is has inner distensible walls which enables it to serve as a temporal storage of urine up to 500 ml. Its functions also including expulsion of urine form the body.

Based on these functions, the stomach, which is an organ in the digestive system, also act in a similar capacity. The stomach also stores food temporally that are passed down from the esophagus.

See the attachment below for the diagram of the human stomach.

Therefore, the organ in the digestive system that has a function that is similar to that of the urinary bladder is d. stomach.

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Answer:

C is the Correct answer.

Which factor has the least effect on the strength of an electromagnet? A. The length of the connecting wires
B. The number of coils of wire.
C. The material of the core.
D. The strength of the battery

Answers

The length of the connecting wire has the least effect on the strength of an electromagnet.

What factors influence the strength of an electromagnet?

  • An electromagnet is a type of magnet where an electric current creates the magnetic field. The wire that makes up an electromagnet is typically twisted into a coil.
  • A magnetic field is produced by a current flowing through the wire and is concentrated in the hole, designating the centre of the coil.
  • The type of core material, the strength of the current flowing through the core, the number of wire turns on the core, and the size and form of the core are all factors that determine an electromagnet's strength.
  • Stronger magnetic fields can be created by using alloys like alnico, which is an alloy of aluminium, nickel, and cobalt.

The strength of the electromagnet's magnetic field increases when:

(a) the current increases

(b) the number of turns increases

(c) the wire is wound so that the length of the electromagnet is reduced

(d) Soft iron core inserted into magnetic coil

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Answer:

The answer is A. The length of connecting wires.

Explanation:

I took the quiz.

1. The instructions for making new copies of a virus are A. part of a virus's capsid.
B. coded in proteins on the surface membrane.
C. coded in either RNA or DNA.
D. found only in bacteriophages.

2. A lytic infection concludes with the
A. insertion of viral DNA into the host cell’s DNA.
B. production of a prophage.
C. bursting of the host cell.
D. production of messenger RNA.

3. A prophage is made of
A. bacteriophages.
B. carbohydra

Answers

1. The correct answer is C. Coded in either DNA or RNA.
The instrument of making new copies of a virus are being coded in either DNA or RNA. Viral replication is known as the formation of biological viruses which is formed during the infection process in the target host cells. Viruses before getting to viral replication first they should get into the cell. 
It is through this virus copies that packaging than virus continues to infect new hosts.

2. The answer is C. Bursting of the host cell.
A lytic infection concludes with the bursting of the host cell. Lytic cycle results when there is a destruction of an infected cell and its membrane. There are bacteriophages that only use lytic cycle and are referred to as virulent phages and it exists as a free-floating molecule which is within the bacterial cell.

3. The answer is viral DNA.
A prophage is made of viral DNA.
Prophage is termed as bacteriophage genome which is integrated and inserted into circular bacteria DNA chromosomes. It is a latent form of phage, whereby viral genes are present in a bacterium even without causing disruption in the bacterial cell. 
It is a stage of virus which informs of a genome and inserted host DNA.

A virus's ability to replicate itself is encoded in either DNA or RNA. The creation of biological viruses throughout the infection process in the target host cells is referred to as viral replication and lytic cycle.

Thus,  Viruses must initially enter the cell in order to begin viral replication.  This packaging allows the virus to spread to new hosts by making copies of itself. The host cell bursting is the correct response.

The host cell bursts at the end of a lytic infection. A lytic cycle is produced when an infected cell and its membrane are destroyed. There are pathogenic bacteriophages, which exist as free-floating molecules, that exclusively use the lytic cycle.

Viral DNA is used to create prophages. Bacteriophage genomes that are integrated and inserted into circular bacterium DNA chromosomes are known as prophages and lytic cycle.

Thus, A virus's ability to replicate itself is encoded in either DNA or RNA. The creation of biological viruses throughout the infection process in the target host cells is referred to as viral replication and lytic cycle.

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A complete digestive system is found in bears. How is the undigested food removed from a bear? A. Limbs are used to remove the waste. B. The one opening is dual purpose for intake and removal. C. The skin excretes waste. D. An opening specified for waste removal is present.

Answers


d. an opening specified for waste removal is present


Final answer:

Bears remove undigested food through an opening designated for waste removal, also known as the anus. This is characteristic of an alimentary canal system where food enters orally and waste leaves through a separate exit. This type of digestive system is referred to as monogastric.

Explanation:

In the case of bears, and other animals with a similar monogastric digestive system, the undigested food is excreted via an opening designated for waste removal as suggested in option D. The process begins in the mouth where food is broken into small particles. This food then travels to the stomach where digestion continues with the breakdown of large molecules. The digested nutrients are then absorbed into the body in the intestines. Any undigested food that is not absorbed is removed as feces through an opening known as the anus. This type of digestive system is also known as an alimentary canal, which is a complete system with an oral intake and a separate waste removal opening.

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