Some cells, like nerve cells, exit G1 to enter quiescent stage called _____ where they no longer proliferate  a) GX b) G0 c) I d) GQ

Q: The concept of endosymbiosis as applied to chloroplast and mitochondria found in eukaryotes: a) is…

A: Endosymbiosis is a kind of relationship in which one organism enters in an another organism. The…

Q: just Fill in the blanks  1- ………….. grow solid masses and tend to not invade diffusely through the…

A: 1. Pilocytic astrocytomas grow solid masses and tend to not invade diffusely through brain.

Q: if 20 skin cells enter G2 phase, how many cells will be observed at the end of metaphase? O 10 030 O…

A: The orderly sequence of events by which a cell duplicates its DNA synthesizes its other components…

Q: Which of the following applies the theory that cells are the basic unit of structure and functioning…

A: According to cell theory: (a) All living organisms are composed of cells and product of cells. (b)…

Q: During interplanetary, homologous chromosomes are.... a) fragmented  b) replicated c)separated…

A: Homologous chromosomes are the chromosomes which contain the same gene in the same order along their…

Q: What do you call the type of reproduction wherein each fragment of an organism develop into new…

A: There are two sorts of reproduction: asexual and sexual reproduction. Despite the fact that the…

Q: In humans, the causative agent of infectious mononucleosis(Epstein-Barr virus) primarily infects:(a)…

A: Introduction: EBV (Epstein-Barr virus) causes a contagious disease known as infectious…

Q: As a certain cell went through S phase, many mistakes were made during DNA replication that could…

A: DNA is the nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid in which…

Q: Which of the following proteins would not be produced in the Rough Endoplasmic Reticulum? A)…

A: The rough endoplasmic reticulum is composed of membranes attached with ribosomes. This gives it a…

Q: Who is definitive and intermediate host? (Zoology subject)

A: The above diagram is on the life cycle of plasmodium. Here we have to find out what is the…

Q: A tapeworm that lives and sexually reproduces in the intestine of a bald eagle is transmitted when…

A: Tapeworms can be referred to as a diverse group of widespread endoparasites with a two-phase life…

Q: Cnidaria (jelly fish) have neuromuscular (nerve net) cells in their ectoderm. These cells are…

A: Cnidaria is a phylum of aquatic animals that includes jellyfish, sea anemones, corals and…

Q: Explain why E is the correct choice. Various types of stem cells that develop from the mesoderm are…

A: Deuterostomes  They are the group of animals in which anus is form first than mouth. Example of…

Q: Which of these is not correct ? a) In mammals,acrosome reaction occurs when sperm contacts the…

A: In the above question all options are related to fertilization. Fertilization is a process Where a…

Q: Which of the following is an endogenous pryrogen?(a) Bacterial exotoxin(b) Bacterial endotoxin(c)…

A: An agent which causes rise in temperature of the body upon entering is called a pyrogen. Thus…

Q: Can you please answer question 1,2, and 3 please

A: Answer for question 1In an adult human body, the cell that does not undergo mitosis is a neuron.…

Q: Which combination of oncogenes and tumor suppressors is MOST likely to develop a tumor? 1) decreased…

A: Tumor is the characteristic feature of the abnormal cell division. The cell division rate is faster…

Q: Which of the following is a valid pathway? a) growth factors trigger cyclin D production, cyclin D…

A: Growth factors are naturally occurring substances, such as hormones and cytokines, that stimulate…

Q: Hemocytes are stem cells which become red blood cells (RBC). The RBC's are filled with a protein…

A: Red blood cells (also known as erythrocytes) are the most common type of blood cell and are an…

Q: The respiratory system, which includes the lungs, is responsible for taking in oxygen and expelling…

A: All living things have certain traits in common: On the basis of these traits, we differentiate…

Q: Which of the cells in the diagram will eventually develop into macrophages? Courtesy Michael Ross,…

A: Leukocytes, otherwise called WBCs or white platelets, comprising moment particles called cytoplasmic…

Q: 4X 10X 40X 100X

A: Phases of cell division are Interphase, Prophase, Metaphase, Anaphase and Telophase.

Q: All of the cell types of an adult vertebrate develop from three primary embryonic germ cell layers,…

A: The three germ layers: ectoderm, mesoderm, and endoderm give rise to various tissues. The ectoderm…

Q: ________are the most unspecialized mass of cells.a) Stem cells b) Root cells c) Hair cells d) Cells

A: Cell is a basic membrane-bound unit and it is often called as the basic building blocks of all…

Q: What is true of the Progress Zone model? a) the length of time a cell resides in the progress zone…

A: Introduction: * The classical progress zone model proposes started that the limb bud grows  under…

Q: 1. Explain why human cells would always prefer to use aerobic respiration to anaerobic…

A: As per our honour code, we are authorized to answer one question at a time, since you have not…

Q: The human genome is found in which parts of the cell?

A: In this question, we have explain human genome found in which part of cell.

Q: mich of the following is the opposite of hypertrophy? 1) anaplasia 2) apoptosis 3) atrophy 4)…

A: Hypertrophy is an increase in the cell size. The enlarged size of the cell components and thua the…

Q: All of the following are examples of normal negative feedback loops, EXCEPT: OA) pH regulation B) BP…

A: Negative feedback loops serve as intrinsic self-regulating systems within the body, orchestrating…

Q: Researchers use a technique call RNA interference to knock down (i.e. not completely gone) the Bcl-2…

A: RNA is the nucleic acids similar to the DNA and contains uracil instead of the thymine. It plays…

Q: Women with urinary tract infections caused by E. coli are generally treated with a course of…

A: Urine is produced in the two kidneys. Ureters are a pair of tubes that carry urine from the kidneys…

Q: One of the following represents parts of an animal cell? A) Chloroplast, Cell wall, Vacuole, Cell…

A: Animal and plant cells are different in many aspects or organelles. Organelles are subcellular parts…

Q: 1.2

A: Blood, a liquid that moves carbon dioxide and other waste items away from the body and brings oxygen…

Q: Which of the cells in the diagram will eventually develop into macrophages?

A: Blood cells are of two types - white blood cells and red blood cells.  Red blood cells carry oxygen…

Q: (7) The following has receptors for the substance on their plasma membranes to produce signals for…

A: Cell signaling, also known as cellular signaling, is the process by which cells communicate with…

Q: Eosinophils (a) have a gray-blue cytoplasm, (b) have a spherical nucleus, (c) contain red…

A: Through the process of hematopoiesis, a blood cell is produced and also called a hematopoietic cell,…

Q: In this picture what is happening during step 1 to create the cell in the middle. You can answer…

A: The male and the female gametes are produced during sexual reproduction. The male reproductive organ…

Q: Metabolic and developmental functions in a Paramecium are regulated by genes contained in the…    A)…

A: Answer :  Metabolic and developmental functions in a Paramecium are regulated by genes contained in…

Q: The bicoid protein in a larval fly is produced by mRNA that originally came from Group of answer…

A: Bicoid is the first protein that is a morphogen. It is important for the development of Drosophila…

Q: Volume of the sea Urchin egg is 5.2 x 105 µm3 . You fertilize the cells and take measurements of…

A: Volume of a sphere = 4/3 π r^3 An egg can be considered as a sphere.

Q: 44- Which organelle is responsible for the storage, modification, and packaging of proteins for…

A: The fundamental anatomical and functional components of living things are their cells. They are…