Answer:
The word are semipermeable membrane; partially-permeable membrane; differentially-permeable membrane.
It allows the passage of only certain types of molecules through diffusion and occasionally by facilitated diffusion.
Answer:
Homozygous recessive
Explanation:
The parents of the individual displaying the sickle cell anemia (SS) are phenotypically normal parents meaning, both parents are carriers of the (AS) gene which is a recessive trait for sickle cell anemia.
The individual took up the SS allele from both parents which makes him/her homozygous recessive. An individual is said to be homozygous recessive if that individual carries two copies of the same recessive allele.
Homozygous dominant is when an individual carries two copies of the same dominant allele (e.g AA).
Answer:
The bird has a narrow beak that is longer than the length of its head.
Explanation:
-The beak is long and thin, which helps it dip into the flowers to sip nectar (a sugary fluid the hummingbird uses for food).
-This bird (Hummingbird) have a long, narrow beak that allows it to reach the nectar from brightly colored, tubular flowers. It also feeds on insects and have a flexible lower beak that allows them to grab insects from the air during flight.
hope that helps :)
When sulfurous, sulfuric, and nitric acids in polluted air and rain react with the calcite in marble and limestone, the calcite dissolves. In exposed areas of statues, we see roughened surfaces, removal of material, and loss of carved details
STI stands for Sexually transmitted infection.
