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3 years ago

15

Write a 500-word research report on a pathogenic bacterium that is not discussed in this unit (you may choose one from the table

in the pathogenic bacteria section of the Eubacteria lesson). Include the history, the scientific name of the bacterium, vectors, symptoms, etc.

1 answer:

evablogger [386]3 years ago

7 0

Answer:

25

Explanation:

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What is true of intercellular signals that do not go through direct connections between cells, such as plasmodesmata?

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The truth about intercellular signals are nucleus which opens up on an ion-linked channel.

Intercellular signals mediates and ionizes radiation which is being induced by stander effects.

Inorder to get to know more about intercellular signal we have to identify the transducers, receptors and the ligands.

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C) What does this cladogram tell you about the evolutionary relationship of the traits of jaws

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Answer:

In biology, a cladogram can be described as a diagram which shows evolutionary relationships among different organisms. A cladogram shows which organisms share evolutionary history and which organisms are more closely related to one another.

<em>The cladogram in the above picture shows that the limbs originated after the jaws. </em>

The cladogram shows that amoeba was a common ancestor to sponges, earthworms, salmon, lizards, kangroo and cats.

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3 years ago

Question 9 Lipids and proteins can be formed from carbohydrates. Which elements do these molecules have in common that help form

Aleks [24]

Answer:

carbon if only one answer allowed, if check multiple, carbon, hydrogen, and oxygen.

Explanation:

The common elemental ingredients are carbon, hydrogen, and oxygen. They all contain the element carbon. They contain simpler units that are linked together making larger molecules.

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The table below shows the dimensions of two colored cubes.

Lelechka [254]

Answer: The correct answer is black because the product of its side and mass is lower.

Explanation: Density of a substance is defined as the mount of matter that can be stored in a given volume.

Mathematically,

$Density=\frac{Mass}{volume}$

As, density is inversely proportional to the volume of the substance.

The substance will be more denser if it has less volume and it will be less denser if the volume is more.

We are given two cubes having different sides.

Volume of the cube is calculated by using the formula:

$V=a^3$

where, a = side of the cube.

Black: The side of this cube is 2 and volume will be = $2^3=8cm^3$

Yellow: The side of this cube is 3 and volume will be = $3^3=27cm^3
$

As, the volume of black cube is less. So, this cube will be more denser.

Density of black cube: $\frac{48}{8}=6g/cm^3$

Density of Yellow Cube: $\frac{135}{27}=5g/cm^3$

Hence, black cube will be more denser because the product of its side and mass is lower.

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4 years ago

In which type of muscular contraction does the muscle change length either shortening or lengthening?

Brilliant_brown [7]

The Answer is isotonic

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