Figure 1. Types of movement across membranes. Molecules can diffuse across a. membrane down a concentration gradient without the aid of a protein or the input of. energy. Passive and active transport require membrane transport proteins. Channel. proteins carry out passive transport, but carrier proteins can carry out passive or active. transport.
Akron, Iowa. Akron is a city in Plymouth County, Iowa, United States. The population was 1,486 at the 2010 census.
PEOPLE OVERVIEW : The 2016 Akron, Ohio, population is 197,542. There are 3,184 people per square mile (population density). Family in Akron, Ohio. The median age is 36.1. The US median is 37.4. 37.80% of people in Akron, Ohio, are married. 14.10% are divorced. The average household size is 2.33 people. 20.82% of people are married, with children. 28.66% have children, but are single. Race in Akron, Ohio. 60.71% of people are white, 30.14% are black, 2.71% are asian, 0.26% are native american, and 0.17% claim 'Other'. 2.12% of the people in Akron, Ohio, claim hispanic ethnicity (meaning 97.88% are non-hispanic).