Answer:
D. Mitochondria are large enough to be seen with modern light microscopy, and can occupy as much as 20% of cytoplasmic volume.
Explanation:
Mitochondria are oval shaped organelles responsible for cellular respiration.
One of their defining characteristics
is the influx of protons from the mitochondrial membrane that enables ATP synthesis.
Mitochondria are known as the power house of the cell.
Structurally, mitochondria are spherocylindrical with a length of 2 microns and a diameter of 1 micron.
Guard cells. They open and close to allow for gas exchange within the leaf
Nerves - transmit impulse of sensation to brain or spinal cord, then to muscles and organs
Answer:
A) boreal forest and tundra
Explanation:
Boreal forests are present north of 50-60 degree north latitude. Tundra biomes are also called as arctic tundra and are also located in extremes of the north latitude. Boreal forests are world' largest biome and stretches across both North America and Eurasia. So, the two habitats are found at high latitudes among the given options are: boreal forest and tundra.
