BIO 171 UH MANOA MODULE 1 REVIEW PRACTICE PAPER 2026 COMPLETE QUESTION SET ACCURATE ANSWERS

BIO 171 UH MANOA MODULE 1 REVIEW
PRACTICE PAPER 2026 COMPLETE
QUESTION SET ACCURATE ANSWERS

◉ What determines the directionality of the DNA strand?


The carbon on the nucleotide associated with the phosphodiester
bonds. .
The carbon on the nucleotide associated with hydrogen bonding
between bases. .
The carbon on the nucleotide associated with the hydroxyl. .
The carbon on the nucleotide associated with the nitrogenous base.
Answer: The carbon on the nucleotide associated with the
phosphodiester bonds.


◉ Complementary bases of a DNA double helix are bonded through


Covalent bonds .
Phosphodiester bonds .
Hydrogen bonds
Answer: Hydrogen bonds

,◉ Pyrimidines (T and C) base pair with:


Only Thymidine .
Sugars .
Purines .
Other pyrimidines
Answer: Purines


◉ When viewing a specimen through a light microscope, scientists
use ________ to distinguish the individual components of cells.


radioactive isotopes .
special stains .
high temperatures .
a beam of electrons
Answer: special stains


◉ The ________ is the basic unit of life.


organism .
organ .
cell .

, tissue
Answer: cell


◉ Prokaryotes depend on ________ to obtain some materials and to
get rid of wastes.


diffusion .
cell division .
ribosomes .
flagella
Answer: diffusion


◉ Bacteria that lack fimbriae are less likely to ________.


swim through bodily fluids .
retain the ability to divide .
synthesize proteins .
adhere to cell surfaces
Answer: adhere to cell surfaces


◉ Which of the following organisms is a prokaryote?