What do scientists believe formed the earth and other planets

Today, the fayum of egypt is a desert. oligocene deposits have produced numerous fossil primates. the paleoenvironmental evidence suggests that during the oligocene the fayum was a:

What kind of cells are produced at the end of mitosis

Why bees are disappearing?

What is the difference between a gene and allele?

What would be the best microscope to view living single-celled organisms in a sample of pond water? Transmission electron microscope Scanning electron microscope Compound light microscope Dissecting microscope

Some steps in cell division are shown below: 1. Haploid chromosomes condense 2. Number of chromosomes are reduced to half 3. Chromosomes move to the equatorial plane between the poles 4.

A morula has approximately 16 cells. what is the rate of mitotic division that takes place between the 4-cell stage and the morula?

How many types of muscle tissue are there?

Why do some stars twinkle

Atp synthesis in chloroplasts is very similar to that in mitochondria: electron transport is coupled to the formation of a proton (h) gradient across a membrane. the energy in this proton gradient is then used to power atp synthesis.