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What is the name of the left portion of an amino acid that is composed of a nitrogen and two hydrogens?

Which of the following scientific facts is not evidence of common ancestry?

What structure in the cell is primarily responsible for synthesizing lipids (like phospholipids and cholesterol), producing steroid hormones, metabolizing carbohydrates, and storing and releasing calcium ions, particularly important in muscle cells and the nervous system?

What is the primary function of the nucleus?

Given the image of Hydrogen from the periodic table, which answer choice below correctly identifies the number of protons, neutrons, and electrons for a neutral atom of Hydrogen (H)?

Given the Bohr model for fluorine below, is this atom going to be reactive or stable, and why?

What is structure 8 in the image of the microscope below? (Hint: this is the small circular bulb at the bottom of the microscope that illuminates the specimen when you turn the microscope on)

If a cell is placed into a solution and water moves into the cell, then it was placed into a….

What is structure 7 in the image of the microscope below? (Hint: this is the part of the microscope that is used to move the slide left, right, forward, and backward, for adjusting what part of the slide you want to view)

What process occurs in the mitochondria and represents its primary function?