Answers: 2
Biology, 22.06.2019 13:10, mroueh21
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
Answers: 2
Biology, 22.06.2019 19:30, jojomgarcia01
Why are lipids and proteins free to move laterally in membranes?
Answers: 1
Biology, 22.06.2019 21:00, myzirajackson39
Match each description with the correct form of energy. 1. energy of an object's position above the ground. 2. stored in the bonds of atoms and molecules 3. stored in the nucleus of an atom 4. energy of vibrating molecules 5. movement of objects used to do work 6. created by vibrations in electric and magnetic fields chemical energy mechanical energy heat gravitational energy light nuclear energy
Answers: 1
Why is embryology a good indicator of evolution?...
Mathematics, 17.01.2021 06:00
English, 17.01.2021 06:00
Mathematics, 17.01.2021 06:00
Mathematics, 17.01.2021 06:00
Mathematics, 17.01.2021 06:00
English, 17.01.2021 06:00
Mathematics, 17.01.2021 06:00