Q: Which of the following is the correct conversion for 750 cm to micrometers ($$\mu m$$)?

$$750\ \text{cm} \times \frac{1\ \text{m}}{100\ \text{cm}} \times \frac{1,000,000\ \mu m}{1\ \text{m}} = 7,500,000\ \mu m$$

Question 1

Which of the following is NOT one of the five fundamental characteristics shared by all living organisms?

Accepted Answer

They must be able to photosynthesize.

Question 2

Louis Pasteur’s experiment with the swan-necked flask provided evidence against which hypothesis?

Accepted Answer

Cells arise by spontaneous generation.

Question 3

Which of the following best describes the Central Dogma of molecular biology?

Accepted Answer

DNA is transcribed into RNA, which is then translated into protein.

Question 4

A scientist observes that a certain disease is inherited from one generation to the next. Which biological theory best explains this observation?

Accepted Answer

The chromosome theory of inheritance

Question 5

Which of the following statements about prokaryotic and eukaryotic cells is TRUE?

Accepted Answer

Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.

Question 6

Which of the following is the correct conversion for 750 cm to micrometers ($$\mu m$$)?

Accepted Answer

$$750\ 	ext{cm} 	imes \frac{1\ 	ext{m}}{100\ 	ext{cm}} 	imes \frac{1,000,000\ \mu m}{1\ 	ext{m}} = 7,500,000\ \mu m$$

Question 7

Which of the following best explains why viruses are not considered living organisms?

Accepted Answer

They cannot produce ATP or proteins on their own and are not made of cells.

Question 8

A researcher wants to observe the interior structure of a mitochondrion. Which microscopy technique should they use?

Accepted Answer

Transmission electron microscopy (TEM)

Question 9

Which of the following is a prediction that could be tested in an experiment based on the hypothesis: 'Plants require sunlight to grow'?

Accepted Answer

If plants are grown in the dark, they will not grow as much as those in sunlight.

Question 10

Which of the following is NOT a requirement for a good experimental design in biology?

Accepted Answer

Testing multiple variables at once

Question 11

Which of the following best describes the process of evolution by natural selection?

Accepted Answer

Populations change over time as individuals with advantageous traits reproduce more successfully.

Question 12

Which of the following is a real-world example of the application of the cell theory?

Accepted Answer

Using antibiotics to treat bacterial infections, since bacteria are made of cells.

Question 13

Which of the following statements about the three domains of life is correct?

Accepted Answer

Bacteria and Archaea are both prokaryotes.

Question 14

A student observes a cell under a microscope and notes the presence of a nucleus and several membrane-bound organelles. Which domain does this cell most likely belong to?

Accepted Answer

Eukarya

Question 15

Which of the following best describes the relationship between genes, DNA, and chromosomes?

Accepted Answer

Genes are segments of DNA located on chromosomes.

Question 16

Which of the following is a correct statement about the nutritional needs of living organisms?

Accepted Answer

Organisms require both chemical energy (such as ATP) and building blocks for macromolecules.

Question 17

Which of the following is the best example of a hypothesis?

Accepted Answer

Plants need water to survive.

Question 18

Which of the following is a multi-step problem that integrates concepts of microscopy and cell structure: If you want to observe the surface of a bacterial cell at a resolution of 1 nm, which microscope would you use, and why?

Accepted Answer

Scanning electron microscope (SEM), because it can resolve surface features down to 0.2 nm.

Chapter 1: Biology – The Study of Life (Mini-Textbook Study Notes)

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