Answer: Usually a human body cell contains 46 chromosomes. We get 23 chromosomes from dad and 23 chromosomes from mom for a total of 46.
Answer:
Gametes
Explanation:
The given plant has a haploid plant body. Haploid gamete mother cells undergo mitosis and form haploid gametes. The gametes should be fused together to give rise to a diploid zygote. The diploid zygote then undergoes meiosis and gives rise to the haploid plant body.
The haploid plant body bears haploid gamete mother cells and the process continues. The given plant exhibits zygotic meiosis and forms gametes by mitosis.
Answer:
1. Light first enters the eye through the cornea.
2. The retina is the light absorbing layer of the eye that contains the rod and cone cells.
3. A cell in the retina that is responsible for black and white vision, as well as night vision is a rod.
4. A cone is a cell in the retina responsible for color vision.
5. rhodopsin is a protein found in rods; it is needed for night vision.
6. One type of preformed vitamin A, retinal, can be converted from retinol.
7. The name for the family of substances that are all types of preformed vitamin A is retinoids.
8. The process called bleaching occurs when light enters the eye and interacts with and changes rhodopsin, causing dissociation of vitamin A from rhodopsin.
They contain five carbon sugars and a different nitrogen base. plz mark brainlyest and i hope i helped!
