A&P Flashcards
(6 cards)
The nucleus contains what?
Deoxyribonucleic acid (DNA) and ribosomes are especially important in the synthesis of proteins
What happens in the process of meiosis?
The chromosome number is reduced from 46 to 23, so when the egg and the sperm unite in fertilization the zygote will have the correct number of chromosomes
The dermis rests on?
The subcutanteous tissue that connects the skin to the superficial muscles
The layers of the epidermis, from outer layer to inner layer
1) Stratum corneum
2) Stratum lucidum
3) Stratum granulosum
4) inner most stratum germinativum (includes stratum basale and stratum spinosum), where mitosis occurs
Epidermal cells contain?
The protein pigment called melanin, which protects against radiation from the sun
Where does mitosis occur?
The innermost stratum germinativum (includes stratum basale and stratum spinosum)