How Did the Presence of Cyanobacteria on Earth in the Past

question 83

Multiple Choice

How did the presence of cyanobacteria on Earth in the past enable the later appearance of more advanced life-forms, such as humans?

• A) They absorbed harmful chemicals, making the air safer.
• B) They initiated the oxygenation of the atmosphere.
• C) They fertilized the soil to let plants grow.
• D) They increased the carbon dioxide in the atmosphere, causing the greenhouse effect.
• E) They "ate" plants, creating the first digestive systems on Earth.

Appreciate the basics of molecular genetics techniques and their applications in studying gene function and evolutionary relationships.

Grasp the concept of pharmacogenomics and its importance in personalized medicine.

Distinguish between primary and secondary metabolites and their roles in organism physiology.

Understand the distribution of assets upon dissolution of an LLC and how contributions impact members’ shares.

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Definitions:

Standard Form

A way to write numbers using the digits 0-9, with each digit having a place value. In algebra, it refers to a way of arranging equations to a specific form.

Imaginary Unit

The imaginary unit, denoted as \(i\), is defined as the square root of \(-1\) and is foundational in complex number theory.

Standard Form

A way of writing numbers, particularly large or small numbers, using powers of ten, or a method to write equations, especially linear equations, in a specific format.

Imaginary Unit

The square root of negative one, denoted by \(i\), used in complex number calculations.