Answer:
The correct answer is option B. "proto-oncogenes".
Explanation:
Tumor suppressor genes and proto-oncogenes are two types of genes that can cause the development of cancer cells if they suffer a mutation. The main difference between tumor suppressor genes and proto-oncogenes is the way they cause cancer. If tumor suppressor genes are inactivated they produce cancer cells, while if proto-oncogenes are activated is when they produce cancer cells.
True
False
the answer for this is false
Answer:
Temperate grassland biome
Explanation:
The temperate grasslands are referred to the biome which is comprised of vast grasslands, being the most dominant type of vegetation in the United States. There is less amount of plants and trees in this biome, and they have cold winters and hot summers. There occurs comparatively less amount of rainfall in this region that controls the height of this grasslands. The soil here is rich in nutrients that favors the growth of these vast grasslands.
This grasslands are divided into two types, namely-
(1) The Prairies- These are the grasslands that are comprised of tall grasses.
(2) The Steppe- These are the grasslands that are comprised of short grasses.
and carbon dioxide diffuse into and
out of the blood are the
Answer: Alveoli
Explanation: Alveoli is the air sacs in the lungs through which oxygen and carbon dioxide diffuse into and out of the blood.
b. environmental sociology
c. environmental law
d. environmental activism
b. human
c. bacteria
d. fungi
Answer:
The answer is B. human.
Explanation:
Humans are classified in the species Homo sapiens belonging to the animal kingdom, whose cells are all eukaryotic cells that have isolated nucleus and nucleus membrane.
The eukaryotic cells of Animal make up animal tissues and differ from plant cells in that they lack cell walls and chloroplasts and have smaller and generally more abundant centrioles and vacuoles. Due to the lack of rigid cell wall, animal cells can take a variety of forms and can even phagocyte other structures.