Which two arrows and/or t-bars are accomplished through transcription (and translation)? no DNA damage p16/21 A G1-> S p53 cdks/cyclins D DNA damage or cellular stress Rb E2F

Q: Cyclin D/cdk 4,6 inhibits retinoblastoma protein (Rb) binding to...., which ultimately affects gene…

A: Mutation in RB1 gene causes retinoblastoma. Due to this mutation cell is unable to control growth.…

Q: T-cell receptor diversity is controlled by Select one: DNA recombination during prophase of meiosis…

A: T cells are the lymphocytes involved in adaptive immune responses. These cells have receptors for…

Q: Match the gene name with the gene description. rb BRCA-1 A. tumor suppressor - p53 B. proto-oncogene…

A: Cancer is a condition caused by mutation in the genome that results in infinite cell multiplication…

Q: Apoptosis O is programmed cell death. O is a process that acts to decrease the number of somatic…

A: Apoptosis is the process takes place inside the cell with the series of steps finally resulting in…

Q: Which of the following is true about the hedgehog family  Hedgehog proteins are released from…

A: Hedgehog proteins are signaling molecules that play a crucial role in embryonic development. They…

Q: Developing B cells that fail to make productive D to J heavy-chain rearrangements on both homologous…

A: B cells get matured in the bone marrow or in the lymph node. Mature B cells express antibodies on…

Q: ne epidermal growth factor receptor (EGFR) activates a complex signaling network - increase…

A: The example shown in the question shows the ligand binding and the cascading of effects that is…

Q: Growth Factor (GF-signal) Activation of GF Receptor (RTK-receptor) To cause Cell proliferation/cell…

A: Receptor tyrosine kinases(RTKs) are the receptor proteins that are present on the cells which are…

Q: In tumor cells Rb protein is hyperphosphorylated. In response to that, will p53 level increase or…

A:

Q: Antibody variability in naïve lymphocytes is generated by_ O alternative RNA splicing O…

A: Naive lymphocytes are the lymphocytes that are not exposed to any antigen before. And antibodies are…

Q: Does cytokinesis divide all cellular contents exactly equally in plant cells? This includes DNA,…

A: Cytokinesis is the partitioning of the cytoplasm following nuclear division. After this the cell…

Q: The mutation of which of the following proto-oncogenes can lead to an increased susceptability to…

A: Introduction:- Cancer or malignancy is defined as the uncontrolled and unregulated proliferation of…

Q: Which of the following is specific to the immediate events of innate immune system inflammation?…

A: Innate immunity is the immune response that  consist of all defence elements with which an…

Q: Explain The p53 pathway is part of the G1-to-S checkpoint?

A: As with most body processes, the cell cycle is highly regulated to prevent mutated cell synthesis…

Q: Which of the following would result in cell cycle arrest? O phosphorylation of Rb by G1-Cdk…

A: It is a stopping point in the cell cycle,  where it is no longer involved in the processes…

Q: How does p53 halt cell cycle progression when DNA damage is identified? p53 enhances expression of…

A: p53 protein is a transcription factor that regulates the expression of several genes which are…

Q: What is a checkpoint?

A: A stage in the cell cycle of eukaryotes where the cell examines external and internal cues and…

Q: Which of the following is NOT a typical mechanism by which a proto-oncogene is converted to an…

A: Proto-oncogenes are healthy genes that are found in the cell. They play a very important role in…

Q: Below you will find the normal p53 gene found on chromosome 17 and a mutated version of the gene.…

A: To solve such questions, we should know the corresponding complementarity between the bases and that…

Q: Mutations in genes can cause a loss of inhibition? O Proto-oncogenes O Oncogenes O Tumor suppressor…

A: It is a change that occur in our DNA sequence due to mistakes when the DNA is copied.

Q: // Which one of these does CDK1/cyclin mitotic kinase NOT do to induce mitosis? Phosphorylates…

A: ANSWER;- a) Phosphorylates Histone H1 to condense chromosomes Explain;-The cyclin B-Cdk1 kinase…

Q: what is T h cell in a concept map form with 10 like words or phrases?

A: Concept maps is a type of graphical tool which is used to represent meaningful relationships in…

Q: The skin is an organ that turns over rapidly: dead cells are constantly being shed and replaced by…

A: The answer:Epigenomics markers  are completely erased when the parent cell undergoes mitosis but are…

Q: Some studies have pointed that mutant p53 proteins have gained a novel function by inactivating…

A: P53 is an important protein that is considered a tumor-suppressing gene. The presence of p53…

Q: In B cells, what mechanism ensures that only rearranged V genes are transcribed?

A: A gene (from genos (Greek) which means generation or birth or sex) is a basic unit of heredity and a…

Q: MASP2 C4b C1r FactorB C1s

A: The complement system aids the immune system in its elimination of pathogenic organisms by working…

Q: Remember that DNA viruses inactivate tumor suppressor genes resulting in cancer. In Burkitt’s…

A: Translocation of c-myc occurs to one of the immunoglobulin foci. This leads to over expression of…

Q: You've engineered a mutant cell where the FADD adapter was truncated. The mutant FADD only contains…

A: The process of programmed cell death is called apoptosis. Unwanted cells, such as those between a…

Q: allów it to move past the G1 and G2 checkpoints even if its growth factor is not present, These…

A: Whenever cells come into contact with each other, the mechanism of contact inhibition occurs. As a…

Q: Match the factor on the left with what it promotes on the right Mitogen Morphogen Death ligand…

A:

Q: Human immunodeficiency virus (HIV), the causative agent of acquired immune deficiency syndrome…

A: Next step after attachment (binding) to the CD4 and CXCR4 receptors on the TH cell.

Q: In an XXYY human: two X chromosomes are inactivated in every cell one X chromosome is inactivated…

A: The correct statement for an XXYY human is:2. One X chromosome is inactivated in each somatic cell.

Q: Which one of these is a tumor suppressor gene? myc erbB O Rb Gasp

A: Which one of these is a tumor suppressor gene?

Gene Interactions

When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.

Gene Expression

Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.