Were the germans the first to send up a satellite into space?

Jamie is estimating the portion of his ecological footprint that arises from the food he eats. what property of the food should he measure? A. Its cost to jamie or his family B. the carbon dioxide that its production adds to the atmosphere C.

1) If you crossed a true-breeding (homozygous) plant with pink flowers and a true-breeding (homozygous) plant with white flowers and all resulting offspring had pink flowers, which color trait would you consider to be recessive? Why?

Oxidation of lactic acid into pyruvic acid involves (1) coenzymes donating hydrogen atoms to lactic acid. (2) a gain of potential energy for pyruvic acid. (3) removal of hydrogen atoms from lactic acid. (4) adding electrons to lactic acid

Mitosis & Meiosis: Thinking Scientifically It takes 15 minutes for certain embryo cells to divide. How many cells would be produced from one cell after four hours?

What is the serous membrane that lines the walls of the thoracic cavity?

What would happen to the bird population if all the bird types in this activity flew to an island where no birds before and the only food available was toothpicks?

Which of the following must be true to consider something to be alive? A. it must be able to replicate its dna B. it must be able to respond to light C. it must be able to convert energy from one form to another D. it must be able to move

Which of these is an example of haploid cell? Sexually Asexually vegetatively

Suppose China's population continues to grow. How will their needs for goods and services affect the health of the planet?

1. what kind of cells have 46 chromosomes (23 pairs) ? 2. what types of cells are sex cells? 3. what is happening to the chromosome during inversion, duplication and deletion?