(b) The actual diameter of the animal cell is 45 µm. The observed diameter of the animal cell in the electron micrograph is 1.8 cm. Calculate the magnification used to view the image. Show your working.

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .