Describe what happens at a dna replication fork during repkication

What determines what types of organisms can survive and thrive in an ecosystem?

We use the classification system when grouping organisms, which are very diverse. which of these is the subgroup with the least amount of diversity? A. Species B. Kingdom C. Order D. Genus

Botulinum toxin, or "botox," has become popular for cosmetic surgery. The toxin prevents neurosecretory vesicles from docking at the plasma membrane and releasing neurotransmitter. How would this toxin affect the neuromuscular junction?

What do you think will be the biggest space mission of the twenty-first century? What challenges do you anticipate that the humans or space probes will experience on this journey?

Having two of the same alleles means an organism is homozygous or

Cameron is collecting data to determine the time of completion for each stage of germination in seeds. He is using bean seeds for his investigation and recording his results. He repeats his data collection many times to obtain reliable results.

Which human action has not lead to significant changes in Earth's biomes?

Which two characteristics of living things do viruses exhibit?

You are studying the source of new virus that has recently infected humans. You suspect that the virus was transferred from other primates (they exhibit a similar infection), specifically chimpanzees, gorillas, or orangutans.

According to the diagram liverworts are