Answer:
Energy cannot be destroyed but moves from one state to another
Explanation:
In an ecosystem the dependence on energy is one of the main driving forces. Most animals and plants are always growing, changing location and moving and all these functions require energy. The energy after transformation from the sun, is referred to as biomass and the transfer of energy from one organism to another is called a food web.
The answer is:
D. Matter and energy can change forms and locations in ecosystems.
Answer:
The cell cycle is the cycle of which the cells grow and split. The cell cycle consists of two main phases, interphase and mitosis. In interphase, the cell grows and duplicates its DNA to prepare for mitosis. In the phase of mitosis, the cell splits its DNA into two nuclei and is split.
Answer:
A) National Weather Service Norman Oklahoma
Proteins (Polypeptides with a unique amino acid sequence) are required to guarantee that the accuracy of replication is compatible with the low frequency of errors that is needed for cell reproduction Helicases unwind the two strands of parental DNA and creates the replication fork; single strands binding proteins keep the single strands from reuniting
Answer:
Lactose present, glucose absent.
Explanation:
Lac operon may be defined as a cluster of genes that regulate the metabolism of lactose in bacteria. The bacteria always prefer glucose if both glucose and lactose is present in the medium.
The conditions that causes the maximal expression of lactose is the presence of lactose and absence of glucose. This is due to the action of catabolite activator protein and cyclicAMP.
Thus, the correct answer is option (1).
