You are digging a hole in you backyard when you see a a piece of fossilized bone in the dirt. How could you prove the age of the fossil? Design a procedure for determining the relative and absolute age of the bone.

Brenda ran a 5 km race. During the race, she began to breathe heavily, and some of her muscles began to burn. Which of these explains why Brenda felt a burning in her muscles during the race? Choose the correct answer.

In an experiment, a scientist notices that an enzyme's catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A.) pH changes the shape of the enzyme. B.

Why can oxygen gas, and carbon dioxide gas, CO2, move through the cell membrane?

How is the wet market space affecting the interaction of organism?

Researchers using molecular analyses, including sequencing technology, may be interested in studying horizontal gene transfer because it plays such an important role in microbial evolution.

Rank the following technical skills from the most basic to the most advanced. perform an MRI, repair an EEG machine, read patient charts, calibrate microscopes read patient charts, perform an MRI, calibrate microscopes, repair an EEG machine read

Which type of anaerobic cellular respiration is performed after a human muscle cell does not get enough oxygen

If a chromosome unfolds itself how is it transcription enhanced

Draw a pie chart to illustrate the number of Baobab tree species found in Madagascar, Africa and Australia

You have conducted an experiment using litterbags to assess the effect of lignin content on leaf decomposition rate. You selected 6 tree species with a range of leaf lignin levels. Which of the following is a plausible prediction for your study? A.