It consists of one specie instead of many specie
Answer:
My guess would be H₂O/ water, since osmosis is a form of passive transport and I can't see the model the question references. Gases like O₂/ oxygen, CO₂/ carbon dioxide, and simple sugars like glucose can also pass through a cell membrane with passive transport though.
The KT boundary marks a mass extinction event. the KT boundary is the time between the Cretaceous and Tertiary periods. An asteroid hit the earth at the end of the Cretaceous and that caused the end of the Cretaceous period. Before the KT boundary, pollen from angiosperms and gymnosperms is high. After the meteor hits the earth, a mass extinction occurs and the amount of pollen from gymnosperms and angiosperms decreases dramatically, while the amount of spores from ferns increases. During the Cretaceous period there were many species of gymnosperms and angiosperms but they disappeared at the KT boundary, when the asteroid hit the earth.
Answer:
A. Catabolic
B.Anabolic.
C. Anabolic
D. Catabolic.
E.Anabolic
F. Catabolic
G. Anabolic
H. Catabolic
Explanation:
Catabolic process is a metabolic processes that breakdown complex or larger molecules into smaller sizes by releasing energy.
The examples of such metabolic processes are;
Glucose is used as the primary fuel for energy
Dietary carbohydrate from a meal is digested and absorbed as monosaccharides, mainly glucose
Dietary protein from a meal is digested and absorbed as single amino acids.
Fatty acids are used as fuel sources for some tissues.
All this processes are catabolic processes because large molecules are broken to smaller ones and all this processes release energy.
Anabolic process is a metabolic process where smaller molecular are build up to form larger molecules and this requires the input of energy.
Examples are;
Glucose is used as the primary fuel for energy
Excess glucose is stored as glycogen in the liver and muscle.
Excess glucose is converted to fatty acids and stored as part of the triglyceride molecule in adipose tissue
Excess tatty acids combine with glycerol to form which are stored in adipose tissues.
All these processes requires the build up of smaller molecules to larger molecules and requires input of energy.
