Blood considered a tissue ?

Answers

Answer 1

Answer: Yes, Blood is a connective tissue for two primary reasons. Blood originates in embryo in the Mesoderm, one of the three primary layers of cells; blood shares this origin with other kinds of connective tissue. And, like other kinds of connective tissue, blood plays a connective role with respect to the systems within the human body.

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Ancestors of the koala lived on the ground, but modern koalas live in trees and eat eucalyptus leaves, which are poisonous to most other animals. The difference between the ancestor and modern koala was caused by.....A. The presence of homologous structure B. The presence of vestigial organs C. Selective breeding D. Natural selection
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A test performed to determine if harmful genes are present in a fetus is
called :
A-diagnostic genetic testing
B- amniocentesis
C- carrier genetic testing
D- preimplantation genetic testing

Answers

Aminocentesis is a test where a sample of amniotic fluid is extracted from the sack surrounding the foetus and tested to see if there are any signs of abnormality.

A forensic scientist is trying to find out the number of adenine bases in the DNA sample that he obtained from a crime scene. What can he assume about the number of adenine? The number of adenine bases will be equal to the number of guanine bases. The number of adenine bases will be equal to the total of all the other bases. The number of adenine bases will be equal to the number of thymine bases. The number of adenine bases will be half of the number of cytosine bases.

Answers

Answer:

The correct option is;

The number of adenine bases will be equal to the number of thymine bases

Explanation:

The four chemical bases that make up the DNA code are adenine (A), guanine (G), thymine (T), and cytosine (C) which are arranged based on a specif organism such that they represent the information regarding the building of the organism

The chemical bases of the DNA are found in pairs consisting of two chemical bases which are then known as base pairs. The possible base pairs are;

Adenine (A) pairing with thymine (T)

Cytosine (C) pairing with Guanine (G)

Therefore, the forensic scientist should expect to find that the number of adenine bases will be equal to the number of thymine bases.

Since the scientist was trying to find out the number of adenine bases in the DNA sample, assumption that the number of adenine would be equal to the number thymine would help.

According to the base-pairing rule of Chargaff, adenine always pairs with thymine while guanine always pairs with cytosine.

Going by this rule, we can say that the number of adenine must be equal to the number of thymine while the number of guanine must be equal to the number of cytosine in any DNA.

More on DNA base pairing can be found here: brainly.com/question/19670411

Would happen if the blood fails to regulate temperature or defend against pathogens? A) Enhanced immune response B) Weakened immune response C) Increased blood circulation D) Improved blood clotting

Answers

Answer:

If the blood fails to regulate temperature or defend against pathogens, the correct answer would be B) Weakened immune response.

When the blood fails to regulate temperature, the body may struggle to maintain its normal internal temperature. This can lead to overheating or hypothermia, which can impair the function of various organs and systems, including the immune system.

The immune system is responsible for defending the body against pathogens, such as bacteria, viruses, and other harmful microorganisms. If the blood fails to defend against pathogens, the immune response would be weakened. This means that the body would have a harder time fighting off infections and diseases.

A weakened immune response can result in increased susceptibility to infections and illnesses. It can also lead to longer recovery times and more severe symptoms when a person does get sick. Additionally, a weakened immune response can allow pathogens to spread throughout the body more easily, increasing the risk of complications.

In summary, if the blood fails to regulate temperature or defend against pathogens, the immune response would be weakened. This can lead to increased vulnerability to infections and diseases, longer recovery times, and more severe symptoms.

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Which statement best explains why the beaks of finches in the Galapagos Islands are different based on what they eat?All life must maintain homeostasis in order to survive.
Individual parts work together to perform a function.
Different organisms interact with each other.
Structure and function are tied together or related in living things.

Answers

The correct answer is ‘structure and function are tied together or related in living things'. The structure of the beaks of finches in the Galapagos are tied to their functions; for example, if they have to go inside narrow plants or spaces, they are longer and thinner.

Answer:

Structure and function are tied together or related in living things.

Explanation:

The roots of the aquatic plant hydrilla are poorly developed and lack xylem tissue. Which is an appropriate justification for this? 1.As hydrilla is aquatic in nature, the roots do not have to search for oxygen, and there is no need for xylem to absorb oxygen because the plant is surrounded by water that has dissolved oxygen in it. 2.As hydrilla is aquatic in nature, the roots do not have to search for minerals,and there is no need for xylem to absorb nutrients because the plant is surrounded by water that has dissolved nutrients in it
3.As hydrilla is aquatic in nature, the roots do not have to search for water, and there is no need for xylem to absorb water because the plant is surrounded by water.

Answers

The appropriate justification of this is that B. As hydrilla is aquatic in nature, the roots do not have to search for minerals, and there is no need for xylem to absorb nutrients because the plant is surrounded by water that has dissolved nutrients in it.

Answer:

Explanation:

Compare and differentiate the types of neurons that synapse in the posterior, lateral, and anterior gray horns of the spinal cord.

Answers

The question ask to differentiate the types of neurons that synapse in many areas in the spinal chords and in my research, the difference of them is that the neurons in the spinal chords is multipolar while in the lateral gray horns are autonomic motor neurons

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The aerobic system starts producing energy during prolonged periods of light to moderate exercise.