Semester Exam Review (Spring 24) Biology

Which is the biological importance of the molecule adenosine triphosphate (ATP)?

• provides chemical energy

• creates glucose from light

• repairs cell membranes

• makes biological proteins

________ is the stage of the cell cycle in which the cell grows, carries out cellular functions, and replicates (makes copies of) its DNA to prepare for the next stage of the cell cycle.

• M1

• G

• Interphase

• M2

_______ are structures that contain identical DNA. (HINT: They are each half of the "X" of the chromosomes).

• sister chromatids

• chromatin

• centromere

• chromosome

The structure at the center of the chromosome where the sister chromatids are attached is called the _______.

• chromatin

• chromatid

• chromosome

• centromere

The second phase of mitosis, in which the chromosomes line up in the center of the cell, is called _______.

• Prophase

• Metaphase

• Anaphase

• Telophase

The third phase of mitosis, in which the spindle fibers pull apart the chromatids, is called ________.

• Prophase

• Metaphase

• Anaphase

• Telophase

The last phase of mitosis, in which the chromosomes arrive at the poles of the cell and relax, is called ________.

• Prophase

• Metaphase

• Anaphase

• Telophase

Substances and agents known to cause cancer are called ________.

• Cancer-causing agents

• cyclins

• carcinogens

• interphase

________ are unspecialized cells that can develop into specialized cells under the right conditions.

Which identifies the relationship between photosynthesis and cellular respiration?

• both processes generate energy for the cell

• the products of one process are used as reactants by the other process

• the reactants of one process are also the reactants of the other process

• both processes release energy for cell use