Hornless cattle is dominant over horned. A homozygous hornless bull is mated with a homozygous horned cow. What will be the genotype and phenotype of the first generation?

Which of these events occurs first during the process of transcription? A. RNA polymerase joins nucleotides into the RNA molecule. B. RNA polymerase binds to the promoter. C. Introns are removed from the RNA molecule. D.

A scientific law is the same as the hypothesis Comes from the work of pseudoscience Can be trusted all of the time Is voted true by scientists

Genetic engineering is the manipulation of genes using cloning and transformation to change the gene structure. Genetic engineering has many positive outcomes. These positive outcomes include

How are bones part of the circulatory system?

Chemotaxis is defined as a response to a chemical gradient of attractant or repellent molecules in the bacterium's environment.

Surface currents main source of movement comes from

True or false the earth rotates on its axis about once a year

Cancer, which can be considered as unregulated cell division, often results from mutations in proto-oncogenes and tumor suppressor genes. Usually mutation in more than one gene from each group is involved.

Why is water from an aquifer more likely to be cleaner than water from other sources? A. because it forms where fresh and salt water meet B. because it receives water directly from precipitation C. because it rises to the surface near the ocean D.

Water is a solvent becaause it