BABS1201-Molecules, Cells and Genes Exam Review

These flashcards cover key concepts in molecular biology, cell structure, and microscopy from the BABS1201 course.

Which of the following is NOT a molecule of life?

Helium is an inert gas and not classified as a molecule of life.

What describes Archaea and Eukaryotes?

They are domains of life.

Which of the following is a domain of life?

Eukaryotes are one of the domains of life, along with Archaea and Bacteria.

What components are found in a eukaryotic cell?

The nucleus, DNA, and ribosomes are all found in a eukaryotic cell.

Which of the following could be classified as living?

Mycobacterium is classified as a living organism.

What is the estimated size of a typical eukaryotic cell?

Approximately 10 µm.

The ancestors of Eukaryotes gained the abilities to photosynthesise & use oxygen through what process?

Endosymbiosis of prokaryotic cells.

What cell structure does the black arrow point to?

The smooth endoplasmic reticulum.

What function does the cellular structure indicated serve?

It stores organic or inorganic ions within an aqueous environment.

In eukaryotes, what are fibrous protein coils of the cytoskeleton called?

Intermediate filaments.

Where would you most likely find results related to medical specialties in a scientific paper?

In the Results section.

What type of review allows reviewers to know the identity of the author, but not vice versa?

Blind review.

Where in eukaryotic cells is citric acid oxidized?

In the mitochondrial matrix.

How many NADH molecules are produced when one pyruvate is oxidized to acetyl CoA?

1 NADH molecule.

How many GTP (ATP equivalent) are generated in TWO turns of the TCA cycle?

2 GTP molecules.

In eukaryotic cells, where does the oxidation of pyruvate to acetyl CoA occur?

In the mitochondrial matrix.

The oxidation of TWO glucose to produce FOUR pyruvate results in the net production of how many NADH?

4 NADH.

Which complex accepts electrons from FADH2?

Complex II.

Which complex is responsible for reducing molecular oxygen?

Complex IV.

Where is ADP taken up by ATP synthase in animal cells?

From the mitochondrial matrix.

In the electron transport chain of photosynthesis, electrons are passed to reduce what?

NADP+.

Where is water split during photosynthesis?

In the thylakoid membrane.

Which part of the microscope cannot be adjusted?

Ocular lens.

To achieve a total magnification of 100X with a 10X ocular lens, what must be the objective lens magnification?

10X.

What is essential PPE in a BABS1201 laboratory class?

Safety glasses must be worn at all times.

What structural feature is common to both eukaryotic and bacterial cells?

Both have a cell membrane.