Why is selectively permeable better than totally permeable or totally impermeable?

The human body is made up of different types of cells, such as epithelial cells, muscle cells, and blood cells. What process is directly responsible for producing specialized cells from undifferentiated cells? A. cell differentiation B. cell death C.

Which of the following is an example of a parasite

Which best describes the earlest land plants

How does the arrangement of atoms affect in a mineral relate to its properties

Tiny organisms that are made of a single cell

What are the two substances that maybe formed in anaerobic respiration

Condition in which neither gene is dominant

How is natural selection important to biomes and organisms?

3. In chickens, the frizzle gene "F" controls the appearance of the feathers. A homozygous dominant chicken for the frizzle gene shows "extreme frizzle", that is his feathers are extremely disrupted.

Isn't this correct?! (I chose A). My teacher marked it incorrect. What is a phenotype? A. the physical or detectable traits of an organism B. a type of biological diversity caused by environmental factor that affects the organism C.