Answer: False
Explanation:
Ticks are the external parasites which survive by feeding the blood of the birds, reptiles, amphibians and mammals. Various species of the ticks are distributed world wide. They colonize and live in the countries with warm and humid climatic conditions. The moisture help them to undergo metamorphosis. There are many species in the families of lxodidae (hard ticks) and Argasidae (soft ticks) that are active parasites and are capable of causing diseases in humans.
Enzymes are biological catalysts.They lower the activation energy necessary for the reaction to occur, and that makes the chemical reactions quicker in living cells.
Answer:
Keratinocytes are located in the stratum basale in the epidermis and the hair follicle of the dermis. This statement is correct.
Explanation:
Keratinocytes are in the stratum basale of the epidermis, which is the deepest layer of the epidermis; from this layer, they ascend to the stratum spinosum, then to the stratum granulosum, then to the stratum lucidum if the skin is thick like the one that is in our hands or soles, and lastly they end in the stratum corneum. While the keratinocytes move from one layer to the next one, they change their characteristics.
Keratinocytes are also in hair follicles, they are similar to the keratinocytes from the dermis, but have some differences, such as their reproduction capacity.