The speed of light in a vacuum is <span>299,792,458 meters/sec, or approximately 300,000 meters/second.
Hope this helps!</span>
Answer:
The option 'All cells contain a nucleus' is not a part of the cell theory.
Explanation:
The cell theory proposed by scientists illustrates that every organism whether prokaryotic or eukaryotic is made up of a cell or different kinds of cells. It also that explains that cells are made from living things. According to the cell theory, cells are termed as the basic unit of life, without which life is not possible.
The cell theory does not claim that every cell must have a nucleus because many cells like cells of prokaryotes lack nucleus. Their genetic material is dispersed in the cytoplasm.
Answer:
DNA replication is the process in which the DNA is copied and it occurs during synthesis phase of the eukaryotic cell cycle. It begins with an enzyme breaking the bonds between complementary bases in DNA which exposes the bases inside the molecules so they can be read by another enzyme and used to build two new DNA strands with complementary bases.
Explanation:
The original strand is: TAGCGTT
ATCGCAA
The Mutated strand is: TGGCGTT
ATCGCAA
<em>The replicated strand is: GAATCAC</em>
<em> CTTAGTG</em>
Fungi lack chloroplasts and are heterotrophic organisms and so require preformed organic compounds as energy sources. With plants: Fungi have a cell wall and vacuoles.
Answer:
lava flows are very hot, thin and runny. When it cools is has a smooth to ropey texture because of the low silica content which makes it cool quickly. Pahoehoe flows creep along generally at less than 3 feet per minute but some flows have been measured at over 20 miles per hour.
Explanation:
it is A
