khalilbaker24p29jyh khalilbaker24p29jyh

02-04-2019
Biology

contestada

State two reasons why some molecules can pass through a certain membrane, but other molecules can not.

Respuesta :

bunny79 bunny79

09-04-2019

Molecules with bigger charge or size can not pass through every membrane but other molecules can.

1. bigger size

2. bigger charge

3. electronegativity

Answer Link

Otras preguntas

Which nuclear decay emission consists of energy, only? (1) alpha particle (3) gamma radiation (2) beta particle (4) positron

What part of speech is the underlined word in the sentence? I definitely like those best. A. pronoun B. adverb C. noun D. adjective

What is the percent composition by mass of nitrogen in NH4NO3 (gram-formula mass = 80.0 grams/mole)? (1) 17.5% (3) 52.5% (2) 35.0% (4) 60.0%

Which statement correctly describes the charge of the nucleus and the charge of the electron cloud of an atom? (1) The nucleus is positive and the electron clou

Which process requires an external power source?(1) neutralization (3) fermentation(2) synthesis (4) electrolysis

In the 1980s, political and religious conservatives joined to form the ______. Religious Left New Right Independent Party

Katie ran 300 yards in 1 minute. At that rate how many yards could she run in 5 minutes? A. 305 yd B. 60 yd C. 1800 yd D. 1500 yd

Advantages and disadvantages of corrosion?

As a sample of the radioactive isotope 131I decays, its half-life(1) decreases(2) increases(3) remains the same

What was a major result in the Civil War?