ike all eukaryotes, the protozoan Giardia has undergone lateral gene transfer as shown by the presence of the gene cpn60 in its nuclear genome. What does cpn60 do in Giardia?   A. It has no known function. B. It codes for an essential transcription factor. C. It codes for a component of the electron transport chain. D. It codes for a molecular chaperone that aids in the folding of mitochondrial protein.

Q: Proapoptotic proteins ---- cytochrome c in the cytosol. release prevent the release of #4) Humans…

A: Cancer  It is the uncontrolled growth of cell which can harm the organism and causes serious health…

Q: Is it true that all known eukaryotes have mitochondria?   A. Yes, but some eukaryotes have…

A: Mitochondria is found in almost all type of eukaryotic cells which includes plants as well as…

Q: One of these is NOT true about the mitochondria and plastid organelles in eukaryotes     A.…

A: All the organisms are classified either as prokaryotes or eukaryotes. Prokaryotes are primitive…

Q: Which protein organizes the cytoskeletons of cells along the medial-lateral axis during convergent…

A: Cytoskeleton is a dynamic network of protein filaments in the cytoplasm of cells and bacteria and…

Q: eukaryotic and prokaryotic flagella movement have in common?

A: Flagella refers to the thin thread-like appendage that helps in the locomotory movement of the…

Q: What is the role of cohesin proteins in cell division? a. They organize the DNA of the chromosomes…

A: The cell is the basic structural and functional unit of life of all living organisms capable of…

Q: Imagine that there is a mutation to the signal recognition particle (SRP) that makes it unable to…

A: The transportation of proteins in the different regions (in different organelles) of a cell is…

Q: In the cells of honey badgers, DNA can be found in which compartments: Select one: a. cytosol b.…

A: DNA is the abbreviated form of the nucleotide polymer deoxyribo nucleic acid. It is the genetic…

Q: Why can't human bodies produce new brain cells?

A: Cell cycle  Cell cycle means, division of cells. There are certain stages in cell cycle like G0…

Q: Which region of DNA is the site of spindle fiber attachment during mitosis and meiosis? A. the…

A: Mitosis is a form of cell division in which one cell (the mother) divides to produce two genetically…

Q: You observe a stickleback embryo and follow the fate of one cell (cell A) at the 64 cell stage.  The…

A: There are different types of cells during the gastrula stage of the embryo. Some cells express their…

Q: A. Individual ribosomal proteins can be isolated that have catalytic activity   B. The ribosome…

A: Individual ribosomal proteins are essential components of ribosomes, the cellular organelles…

Q: What happens during metaphase?

A: The cell cycle is the sequential order of events occurring in a cell, during which the genome gets…

Q: Organelle heredity can be attributed to: a. mitochondria and chloroplasts have DNA that is subject…

A: As per the Mendelian inheritance, both male and female gametes determine the genotype of offspring.…

Q: Which protein organizes the cytoskeletons of cells along the medial-lateral axis during convergent…

A: Convergent extension is a mechanism for elongating tissues of an embryo. It consists of 2 steps-…

Q: Shown here is part of a degradation pathway of the molecule phenylalanine. An individual that has…

A: Any random change in the gene sequence of an individual, which results in lack of formation of…

Q: The cells labeled A came from a human cheek. The cells labeled B came from an aquatic plant called…

A: Answer: EUKARYOTIC CELLS are the cells containing cell organelles , nucleus. PROKARYOTIC CELLS are…

Q: Chlamydomonas reinhardtii is a good model organism for studying cilia and flagella because:   A.…

A: Chlamydomonas has long been regarded as a model plant because it requires very little space to grow…

Q: Identify which of the following statements is a lie? Select one: a. Yeasts use paracrine signaling…

A: Yeast is a microbe made up of only a single cell. These microbes belong to the kingdom fungi and…

Q: Paramecium is a single-cell eukaryotic organism that can reproduce by mitotic cell division. Prior…

A: The cell cycle is a series of 4 stage processes that includes the G1 phase, S phase, G2 phase, and…

Q: What happens during prophase?   A. Chromosomes line up in the middle, microtubules attach themselves…

A: Mitosis is part of cell cycle which gives rise to genetically identical cells.Mitosis occurs after S…

Q: E. Coli, Chinese hamster ovary (CHO) and HEK293 are all cell lines used to for protein production.…

A: Cell lines are important for studying pathophysiological, physiological, and the differentiation…

Q: C. the cell immediately enters mitosis

A: The cell cycle is the series of events that occur in a cell leading to its division and duplication.…

Q: Which process is necessary to prevent the doubling of genome size during sexual reproduction?   a.…

A: Meiosis is a type of division that is exclusively found in sexually reproducing animals an plants.…

Q: Tetracyclines are a class of prokaryotic antibiotic that ?

A: Tetracyclines are bacteriostatic and broad spectrum antibiotics that destroy specific…

Q: Bicoid is normally found at one end of a fly egg.  A defective form of bicoid results in an embryo…

A: Answer Embryonic development in drosophila is an orderly sequence of change and it is controlled by…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.