Cell Biology: Chromosomes, tRNA, and Mitosis

<p>It contains the site where the tRNA binds to the ribosome (B)</p> Signup and view all the answers

<p>ionotropic (ion-channel-coupled) receptors (A)</p> Signup and view all the answers

<p>Hydrolysis of pyrophosphate (PPi) to inorganic phosphate PP (C)</p> Signup and view all the answers

<p>This is a process that involves the use of a group of transcriptional regulators working together to express a gene correctly (A)</p> Signup and view all the answers

<p>The final serine-threonine kinase following the activation of Ras protein (A)</p> Signup and view all the answers

<p>Metacentric (C)</p> Signup and view all the answers

<p>Anaphase (B)</p> Signup and view all the answers

<p>Cell (C)</p> Signup and view all the answers

<p>They occupy distinct areas in the interphase nucleus (A)</p> Signup and view all the answers

<p>Secondary RNA structure (D)</p> Signup and view all the answers

<p>Primary active transport (A)</p> Signup and view all the answers

<p>A primary lysosome with a phagosome (A)</p> Signup and view all the answers

<p>The large subunit and small subunit become conjoined to begin translation (B)</p> Signup and view all the answers

<p>Polysaccharide (B)</p> Signup and view all the answers

<p>Using fluorescent antibodies selective for the CD34 surface protein (D)</p> Signup and view all the answers

<p>Hydrogen bonds (D)</p> Signup and view all the answers

<p>Inside the lipid bilayer (D)</p> Signup and view all the answers

<p>Direct repair (DR) (C)</p> Signup and view all the answers

<p>H1 (D)</p> Signup and view all the answers

<p>M phase (B)</p> Signup and view all the answers

<p>When the activation of a cell-death intracellular program is initiated (A)</p> Signup and view all the answers

<p>Oxygen (C)</p> Signup and view all the answers

<p>Formation of the 30nm fiber (A)</p> Signup and view all the answers

<p>Neurotransmitters and hormones, like adrenalin (epinephrine) (B)</p> Signup and view all the answers

<p>Transverse &quot;flip-flop&quot; movement (A)</p> Signup and view all the answers

<p>Three nucleotides of RNA (A)</p> Signup and view all the answers

<p>Through the binding of the small unit of ribosome, mRNA and initiator tRNA (D)</p> Signup and view all the answers

<p>Sphingosine (A)</p> Signup and view all the answers

<p>5'-AAGCGCTT-3' (A)</p> Signup and view all the answers

<p>Storing carbohydrates in the form of starch grains. (C)</p> Signup and view all the answers

<p>N-formylmethionine (B)</p> Signup and view all the answers

<p>Primers failing to bind effectively to the DNA template. (A)</p> Signup and view all the answers

<p>Tertiary structure (A)</p> Signup and view all the answers

<p>Purine (C)</p> Signup and view all the answers

<p>Multiple codons can specify the same amino acid. (C)</p> Signup and view all the answers

<p>Requirement for a primer to initiate DNA synthesis. (C)</p> Signup and view all the answers

<p>met-tRNAm participates in elongation, while fmet-tRNAf participates in initiation. (C)</p> Signup and view all the answers

<p>Intercellular signals that stimulate the production of cyclins. (B)</p> Signup and view all the answers

<p>64 (D)</p> Signup and view all the answers

<p>Primary active transport (C)</p> Signup and view all the answers

<p>Totipotent/Omnipotent (D)</p> Signup and view all the answers

<p>Lipids (D)</p> Signup and view all the answers

<p>N-C-C (A)</p> Signup and view all the answers

<p>70-80% (B)</p> Signup and view all the answers

<p>To hold phospholipids together, influencing membrane fluidity. (D)</p> Signup and view all the answers

Banding pattern, centromere position, length; number is not a feature.

tRNA transports amino acids to ribosomes during protein synthesis.

Tertiary structure stability does not involve binding basic proteins or ions to neutralize charge.

This loop is crucial for tRNA's ribosome binding site.

Receptors designed for rapid responses to neurotransmitters.

Hydrolysis of pyrophosphate makes DNA replication irreversible.

A process using multiple transcriptional regulators together for gene expression.

Final kinase in the signaling pathway activated by Ras protein.

Carbohydrates made up of more than 10 subunits.

A marker used to collect hematopoietic stem cells via apheresis.

Non-covalent bonds that form between codon-anticodon bases.

The inside of the lipid bilayer contains hydrophobic components.

DNA repair process involving the MGMT protein to remove methyl groups.

The histone protein that does not form part of the nucleosome core.

Phase in the cell cycle when concentration of cyclin B is highest.

Programmed cell death initiated by specific intracellular signals.

A chromosome with arms of equal length.

The phase where sister chromosomes separate.

The cell is the smallest living unit on Earth.

Chromosomes occupy distinct areas in the interphase nucleus.

Structure of RNA that includes apical loops (hairpins).

Type of membrane transport like the sodium-potassium pump.

A secondary lysosome results from a primary lysosome combining with a phagosome.

Lysosomes break down carbohydrates, proteins, fats, and nucleic acids.

Oxygen is required for aerobic respiration to produce ATP.

Histone H1 is directly involved in the formation of the 30nm fiber in DNA condensation.

Neurotransmitters and hormones are transported through the circulatory system.

Enzymes can catalyze the transverse 'flip-flop' movement of phospholipids.

A codon is a sequence of three nucleotides of RNA that codes for an amino acid.

The START codon is recognized through the binding of the small ribosomal unit, mRNA, and initiator tRNA.

Sphingosine is a component of glycolipids in cell membranes.

The cell cycle is determined by cyclin-dependent protein kinases becoming active with cyclins.

Genes that control the process of mitosis and cell division.

Molecules that stimulate cell proliferation from outside the cell.

Signals that lead to the production of cyclins, which activate cell division.

DNA is a polymer made of nucleotides with nitrogenous bases, sugar, and phosphate group.

Amino acids have a central carbon, an amino group, a carboxyl group, and a hydrogen atom.

rRNA comprises 70-80% of all RNA in cells, important for protein synthesis.

Cholesterol maintains the integrity of cell membranes by holding phospholipids together.

Ribosomes in the cytoplasm produce proteins that function within the cytosol.

Amyloplasts contain carbohydrates in the form of starch grains.

The first amino acid in proteins produced by mitochondria and chloroplasts is N-formylmethionine.

If the annealing temperature is too high, primers will not bind to the template.

Cytoplasm is composed of water, salts, and various organic molecules.

A protein bound with a sulfide bridge has a tertiary structure.

Purines are double-ring structures; pyrimidines are single-ring structures.

A peptide bond forms by a condensation reaction between an amino group and a carboxyl group, releasing water.

Glycoproteins contain covalently bound oligosaccharides, either straight chain or branched.