Answer:
option B
Explanation:
there are 22 pair of autosome and 2 pair of sex chromosome
The answer is brain coz it both received and send messages through the body
Answer:
<h2>
The organelles are mitochondria and chloroplasts.</h2>
Explanation:
<em>The mitochondria and chloroplasts play a major role in energy conversion that helps to synthezise gene expression products. They were essential to the evolution of present day eukaryotes. These specialized structures are enclosed by double membranes, and they are believed to have originated back when all living thing on Earth were single-celled organisms. The proposed origin of mithocondria and chloroplasts is known as the endosymbiotic hypothesis.</em>
<em>The mithocondria is considered the powerhouses of the cell, it enables eukaryotes to make more efficient use of food sources than their prokaryotic counterparts. Within the eukaryotic cells, mithocondria works like batteries, because they convert energy from one form to another.</em>
<em>The eukaryotic cells may contain several other types of organelles, such as the endoplasmic reticulum, the golgi apparatus and lysosomes. </em>
Answer:
The marked portion of that document needs to be changed into a portion with upgraded information that will reflect the new classification level.
Explanation:
The Original Classification Authority (OCA) abide by some rules such as:
- The OCA must be designated in writing, another way of designation won't be allowed.
- The OCA creates Security Classification Guides (SCGs) to help others develop classified materials.
- Only a few positions are designated as an OCA such as the President and Secretary of Defense.
Elephants, who are important grazers, are instrumental in transforming woodlands into grasslands. This has a tremendous impact on other species that depend on the grass for their survival. The significance of the elephant in this example is B. keystone species.
