How do scientists know when life began?

The sides of RNA and DNA molecules are made up of different what?

10 pts what is motivation? explain the three key elements of motivation

An insertion occurs during DNA replication, causing an additional adenine to be inserted into the nucleotide starnd after the guanine shown in red. what effect will this have on the final protein?

Which animal is a nocturnal creature? human dog owl cow

What is the name of the processes that change the genetic information into each new form?

A client presenting to the emergency department with chest pain and dizziness is found to be having a myocardial infarction and subsequently suffers cardiac arrest. the healthcare team is able to successfully resuscitate the client.

Which part of a fungus releases digestive chemicals and then absorbs pieces of food? nuclei flagella hyphae spores

Put these processes of the water cycle in the correct order, starting from the moment the sun transfers it's energy

Ozone hole refers to ... ? A. hole in ozone layer B. decrease in the ozone layer in troposphere C. decrease in thickness of ozone layer in stratosphere D. increase in the thickness of ozone layer in troposphere

Chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair follicles and bone marrow. What characteristic do these cells most likely share with cancerous cells? A.) They form tumors. B.) They spread through the blood. C.