AcaDec 2019-2020 Science, Section I

Cilia and flagella originate from which cytoskeletal element?

Which protein stalls anaphase from occurring too early?

Which of these is true about DNA?

How do enzymes enable more metabolic reactions?

Caspases, which stimulate apoptosis, are activated by what chemical?

Which of these terms does not match up with its definition?

Skeletal muscle cells develop into...

Peroxisomes neutralize free radicals using what?

Retinoblastoma protein(Rb) binds to E2F factors to prevent transcription. What is Rb?

The only human cells with flagella are...

What differentiates a red blood cell's duty from other cells' duties?

What can you tell about the developmental level of phagocytes?

The cell component responsible for receiving the signal molecule insulin is called a...

Somatic(body) cells usually have how many chromosomes?

T/F: Cells can die in a way outside of apoptosis and necrosis.

Approximately how many cells undergo apoptosis annually?

In RNA, which nucleotide base is replaced by uracil?

Which element is found in higher abundance in necrotic cells?

Which of these does NOT occur in apoptosis?

Skeletal muscle cells tend to have around how many mitochondria?

Which of these is NOT true about DNA?

G1, S, G2, chromatin. These terms are all related to what phase of the cell cycle?

Chromosomes, aligned by migrating centrioles, line up in the center. Which mitotic phase is this?

Which type of cells spend most of their time in G0?

How do DNA's nitrogenous bases (A, T, C, G) pair up?

Mitochondria is...

What makes cytoplasm so gelatinous?

Both prokaryotic and eukaryotic cells contain...

DNA replication occurs during...

Microtubules create the mitotic spindle, helping chromosomes split in anaphase, but what other purpose do they serve?

(T/F)Transfer RNA brings codons to match messenger RNA's anticodons.

Cancer cells do not undergo...

Which enzymes are involved in all three defined apoptosis pathways?

p53, a tumor suppressor protein, and p21, a cyclin-dependent kinase, are present between which two phases?

Cell cycle checkpoints do NOT take place during...

Chromatin condenses, and the nuclear envelope starts to disappear. What mitotic phase is this?

Which of these is NOT multicellular?

Where are ribosomes made?

Microtubules, at the centromeres, attach to which component of chromosomes?

If proteins are analogous to pizzas, which organelle is the delivery guy?

Actin filaments aid in...

What is a difference between chromatin and chromosomes?

Which cell defect does not correspond to its resulting problem?

The inside layer of the cell membrane contains...

The opposite of breaking down large macromolecules is...

What is the function of cyclic-dependent kinases?

What is the difference between apoptosis and necrosis?

The strength of a rhino's horn, as well as our hair, can be traced to what cytoskeleton structure?

Converting RNA to amino acids can take place in the...

Which of these describes the correct order of DNA>RNA>proteins?