Answer:
All of the above traits combined
Explanation:
Phylogeny is an evolutionary history of development of a certain species or taxonomic group.
The purpose of phylogenies is to represent evolutionary relationships among a group of organisms.
During the reconstruction of phylogenies. Systematists often use a variety of traits in order to produce a good estimate of a phylogeny.
The use of molecular traits, gross morphological traits, behavioral and biochemical traits combined can give a good estimate of a phylogeny.
The correct answer in this question is letter B. The male reproductive parts of a flower are called stamens. It is composed of an anther and a filament. The pollen, which is located in the anther, contains the male reproductive cells.
Answer:
True
Explanation:
The sun is the biggest PLANET in our solar system.
Answer: option D
The sodium potassium ion exchange move sodium and potassium in opposite direction in electrochemical gradients.
Explanation:
The sodium potassium pump is found in many animals plasma membranes and its moves the sodium and potassium ion in opposite direction across the plasma membrane with the hydrolysis of ATP(adenosine triphosphate) to supply the needed energy. It is an active transport process.
Answer:
The given blank can be filled with interferons.
Explanation:
The signaling molecules or the proteins that get discharged by the cell infected by the virus to protect the adjacent cells by stimulating a safeguarding defense mechanism are termed as interferons.
The mentioned proteins obstruct the proliferation of viruses and thus helps the cell in getting rid of the infection. These molecules also assist in stimulating the macrophages and the natural killer cells.
