First person to answer this question gets brainliest a thanks and 5 stars!
A membrane that only "lets" certain molecules in while keeping other molecules out is ___ ___.
A) Flexible
B)Bilipid layers
C) Endoplasmic Reticulum (ER)

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria