Biology Final Exam Review 1

All multicellular organisms are made up of prokaryotic cells.

• True

• False

Robert Hooke first observed cells by looking at a thin slice of cork under a microscope.

• True

• False

Water moves into a cell when the solution surrounding the cell is

• hypertonic.

• hypotonic.

• isotonic.

• concentrated.

Which of the following phrases best describes active transport?

• moves substance against concentration gradient

• does not use chemical energy

• forms a vesicle around a large particle

• relies on diffusion of materials

Assume that a 25-base pair DNA double helix contains 12 adenines. How many guanines are there?

• A. 13

• B. 16

• C. 8

• D. 20

The synthesis (S) phase is characterized by

• cell division.

• DNA replication.

• the division of cytoplasm.

• replication of mitochondria and other organelles.

Mitochondria and chloroplasts are both sites of

• energy conversion.

• food manufacturing.

• photosynthesis.

• protein synthesis.

Tags

NGSS.HS-LS2-5

A scientist examines a fruit fly gene involved in the regulation of body development. A section of DNA sequence for the gene is shown. Fruit Fly DNA Sequence: ...TGG-AAC-CAA... Amino Acid Codon Chart provided. Which amino acid sequence would be produced from this DNA?

• Trp-Asn-Gln

• Gly-Pro-Ser

• Thr-Leu-Val

• Gln-Gly-Trp

Tags

NGSS.HS-LS1-1

A primary difference between transcription and replication is that transcription

• is catalyzed by large and complex enzymes.

• happens repeatedly throughout a single cell cycle.

• proceeds according to careful cellular control.

• occurs within the nucleus of eukaryotic cells.

Which word best describes the structure of the cell membrane?

• layered

• rigid

• impermeable

• nonpolar