The correct answer is option A- HIV virus.
HIV virus is an example of enveloped virus, that has the ability to infect a host cell by attaching itself to it and fusing with the host cell. Once infected, the virus leaves the host cell and moves to another cells to infect them. The HIV virus contains glycoprotein spikes to attach to the host cell.
The fourth one that looks like an M. This is because it describes changes in population genetics in which extreme values for a trait are favored over intermediate values. In this case, the variance of the trait increases and the population is divided into two distinct groups.
The organism which uses asexual reproduction would undergo mitosis and the cell would be divided into two daughter cells. the daughter cells have the same genetic material and are identical.
Answer:
Birds and bats have homologous limbs because they are both ultimately derived from terrestrial tetrapods, but their flight mechanisms are only analogous, so their wings are examples of functional convergence.
Answer:
Explanation:
1. Blood Plasma: this is made up óf water, salts and protein. And it makes up more than half of the total volume of blood
2. Erythrocytes are also known as the red blood cells which makes up some of the solid part of the blood. They are packed with haemoglobin which helps to carry oxygen and they also gives blood the characteristics red color
3. These are also called white blood cells that function in producing antibodies that fights infection. Some types are monocytes, neutrophils, eosinophils etc.
4. Blood platelets: these also make up a part of the solid portion of the blood. They aid in blood clotting preventing blood loss.
