REM's are associated with dreaming. we spend the longest time in the REM stage. REM sleep is marked by a return to fast, irregular EEG patterns similar to those of stage 1. the brain is so active during REM it looks like the person may be awake
Answer:After puffing off its outer layers, the star collapses to form a very dense white dwarf. One teaspoon of material from a white dwarf would weigh up to 100 tonnes. Over billions of years, the white dwarf cools and becomes invisible.
Explanation: googel hope it helps
Answer:
Point mutation is the correct answer.
Explanation:
Sickle cell disorder is a genetic disorder that is caused because of point mutation.
Due to point mutation protein lose their function which results in sickle cell disease.
The mutation in the Hemoglobin Subunit Beta gene in Sickle cell diseases affects the hemoglobin and the red blood cells molecules that transfer oxygen to the cells.
Sickle cell diseases can lead to stroke, organ damage,blindness, priapism,hypertension, acute chest problems.
Answer:
ER → ER-to-Golgi transport vesicles → Golgi cisternae → secretory or transport vesicles →cell surface (exocytosis) (see Figure 17-13). Small transport vesicles bud off from the ER and fuse to form the cis-Golgi reticulum.
