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Orlov [11]
4 years ago
15

A(n) ________ pathogen is in a weakened state; it is still capable of stimulating an immune response but does not cause a diseas

e.
Biology
1 answer:
Sindrei [870]4 years ago
4 0

Answer: Attenuated

Explanation:

An attenuated pathogen is a pathogen which remains in a weakened, less virulent (infection causing) state. It can cause minor disease. The organisms such as bacteria, fungi, viruses and parasites can be the example of attenuated pathogen.

The attenuated pathogen is used in vaccines. It is capable of activating the immune response in the host organism against the already present disease causing pathogen.

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This is an example of natural selection. The finches with the most ideal beaks survive because the environment they live in allows them to gather resources more easily than other species.
6 0
3 years ago
Which of the following statements is true of connective tissue?
julia-pushkina [17]

Answer:

Collagen fibers provides high tensile strength.

Explanation:

The extracellular matrix of connective tissue has three types of fibers: collagen, elastin and reticular fibers. Collagen fibers are sometimes called white fibers and are strong and resist stretching. These fibers are present in parallel bundles which in turn impart great tensile strength to the connective tissue.

Elastin fibers make a fibrous network in the matrix. Elastin fibers can be stretched up to 1.5 times their original length without breaking and resume the original shape after stretching. This ability of elastin fibers impart elasticity to the connective tissue. Reticular fibers also form the branched network in the extracellular matrix of the connective tissue.

5 0
4 years ago
Definition: These are all the living organisms on earth.<br><br> Example: plants and animals
VMariaS [17]

Answer:

living things

Explanation:

5 0
4 years ago
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When crossing over occurs between two linked genes in an F1 dihybrid testcross, the frequency of the parental phenotypes will al
NeX [460]

Answer:

Greater.

Explanation:

Linked genes may be defined as the genes that are present on the same chromosome or may close enough that can pass in the next generation together.  

The results of the crossing over in linked genes result in the formation of recombinant progeny. The frequency of the recombinant progeny will always be lesser than the parental progeny and cannot be more than 50%. If it is more than 50% these genes are considered as linked genes.

Thus, the answer is greater.

4 0
3 years ago
Which statement correctly identifies Old Faithful and explains how it formed? It is a caldera formed from a vent collapsing. It
amid [387]

Answer:

It is a caldera formed from a vent collapsing. It is a mud pot formed from pools of boiling, acidic mud. ... It is a geyser that formed due to water heated by magma erupting at Earth

Explanation:

It is a caldera formed from a vent collapsing. It is a mud pot formed from pools of boiling, acidic mud. ... It is a geyser that formed due to water heated by magma erupting at Earth

6 0
3 years ago
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