Answer:
7, 5
Explanation:
ur not giving branliest capper
The Cell's Cycle first phase which consists of three stages: G1 phase, S phase, and the G2 phase. The first phase in Interphase in which the cell duplicates organelles and cytosonic components which are metabllicly active. The second stage of Interphase in which DNA replication occur.
D all of these
Explanation:cus ik
Humans are called heterotrophs
Answer:
A callus is a hardening of skin, keratin is the protein which is abundant in callus. Skin is a protective layer against a external environment. Outer layer of skin consist of keratin which is also found in hair. Callus is the accumulation of dead cells result due to friction and pressure exerts on the part in which they are present. The keratin component (keratinocytes) remains undifferentiated in these dead cells which causes hardening in callus.