Cells communicate with the extracellular matrix via __ in the membrane.

Q: Simpson’s Diversity Index results in a number between 0 and 1. To get a feel for how this equation…

A: Simpson's Diversity Index is a measure of diversity which takes into account the number of species…

Q: If a cell fails the Spindle Checkpoint, at which stage of the cycle would the cell arrest?

A: Cell cycle: It is a phages of events that a cell passes until it reproduces its replica. Usually…

Q: 1. Sensory neurons of the PNS are   a.multipolar b.anaxonic c.bipolar d.unipolar   2. In a…

A: 1. Sensory neurons of the PNS are d. unipolar   Explanation: Almost all sensory neurons are…

Q: Producing ATP from ADP + inorganic phosphate through a series of electron acceptors is

A: Enzymes embedded in the mitochondria remove their electrons, and the energy is used to power the…

Q: With regard to the action of phospholipases C-B and C-y on phosphatidyl inositol, all of the…

A: *phospholipases are the enzyme which hydrolyzes the phospholipids into fatty acids and other…

Q: Subconjunctival hemorrhage always causes red painful eye .A true .B false

A: Eye is the sensory organ which is responsible for providing the vision.

Q: Tetracycline is used to treat infections caused by bacteria including pneumonia and other…

A: Antibiotics are molecules that help in killing disease causing agents or micro organisms.…

Q: You are studying a protein that contains the peptide sequence RDGSWKLVI. The part of the DNA…

A: The restriction endonuclease are responsible for cutting the DNA at specific sequence and they…

Q: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria

A: (A) Bacteria that are heterotrophic   a) They decompose organic matter and contribute to the…

Q: The Assembly of Class III Transcription Initiation Complexes consists of TATA-binding protein (TBP)…

A: Transcription initiation complex  It is the complex of transcription factors and RNA polymerase…

Q: According to Mendel's third postulate, what is the likelihood that each gamete receives one or the…

A: Law of dominance It is the third law of Mendel that states that when the gametes will be in…

Q: A function emerges from the interaction of different parts of a biological system.

A: A biological system is a network of biologically significant entities. The biological system occurs…

Q: 2. You measure the cross sectional area of the quadriceps of 40 diff gazelle species. How should…

A: While referring to muscles Isometry means iso-same metry-length When proportional relationships are…

Q: Tumour associated macrophages (TAMS) represent up to 50% of cells in solid tumours. Explain how…

A: * Tumour associated Macrophages are the cells that create an immunosuppressive tumor…

Q: is gec •Foo little cell death 13. In some types of colon cancer, stem cells have a mutation in the…

A: The activation of cell oncogenes represents only considered one of  awesome types of genetic…

Q: Heterozygous is when...    Choose the right answer: a.) the alleles are different b.) the alleles…

A: An allele is a variation of gene. A few genes have a wide range of structures, which are situated at…

Q: Which of the following part of human skeleton forms the helmet for the protection of human brain? a)…

A: Introduction The brain is a complicated organ that regulates every action in our body, including…

Q: Question 21 The largest food source of thiamin is Pork? True False

A: Largest food source of thiamin is pork.

Q: How is a key helpful in the identification and classification of an organism?

A: Key It is defined as a taxonomical aid that helps in  process of identification and classification…

Q: b. What intermediate nucleotide sequences are needed (i 1. HIV? UAAUCG [Select] dsDNA 2. an…

A: A genome is the complete set of genetic information in an organism which provides all the…

Q: Proteins destined for secretion undergo folding into secondary and tertiary structures O a) once…

A: Protein secretion  The organelle for the formation of a polypeptide is a Ribosome , Ribosomes are…

Q: 1. Neurotransmitters are chemical substances that carry information across the synaptic gap to the…

A: The nervous system is a highly sophisticated element of an animal which organises its movements and…

Q: How many bones does an adult human skeleton have? a) 205 b) 207 c) 209 d) 206

A: The question is asking about human bones of the body. Our body is made up of bones and muscles. They…

Q: The two strands of DNA that make up the double helix are held to each other by ... a) hydrogen bonds…

A: DNA is made up of nucleotides which contains three parts: a sugar molecule (deoxyribose), phosphate…

Q: Below is the sequence of MRNA. 1. if U is mutated to C, then it will lead to a [ Select ) mutation.…

A: Answer :- 1. UGU (Cys) is converted to UGC (Cys) - silent mutation

Q: Choose correct answers. | Insect heart (dorsal vessel) is located between dorsal and ventral…

A: INTRODUCTION Insects They comes under the phylum arthropoda.

Q: Define the term extinct. Also explain the phenomenon of mass extinction.

A: Extinct It refers to the no longer existence  of a species, organisms, family or a group of animals,…

Q: A gene is inherited as a X-linked recessive trait. A hemizgous father that has the recessive allele…

A: Genetic problems related with mutations in genes present on the X chromosome can be referred to as…

Q: Cataract causes acute and chronic vision loss .A true .B false

A: Our eyes are sense organs for vision. They also help in perception of colour. Human beings have two…

Q: DIRECTIONS Read each question and choose the Then circle the letter for the correct answer. The…

A: Cellular respiration is the process by which glucose and oxygen are converted into carbon dioxide…

Q: In anaerobic conditions, pyruvate maybe decarboxylated to produce none of these all of these lactic…

A:

Q: Movement of cilia and flagella are made possible by the presence of dynein.

A: DYNEIN  is a protein  dynein was found in the year 1963 by dynein dynein is a motor protein  it…

Q: MULTIPLE CHOICE Which of the following has the lowest solute potential? A. a 0.5 molar solution of…

A: Solute potential :-

Q: Can the bacteria Alicaligenes Faecalis ferment lactose?

A: Can the bacteria Alicaligenes faecalis ferment lactose.

Q: In the human pedigree of sex-linked inheritance pattern, if the female is a carrier, calculate the…

A: If the disease is sex-linked, it means that it is an X-linked disease. The female is carrier means…

Q: Posttranslational modification occurs in the rough ER GC cmooth ED

A: INTRODUCTION The chemical changes that occur after a protein are produced are referred to as…

Q: (i) IncRNA (ii) miRNA

A:

Q: 8. For each of the biogeochemical cycles in the table below, list at least three areas on Earth…

A: * Biogeochemical cycle is the pathway in which a chemical substance cycles is turned over or moves…

Q: form a strong inner lining of the nuclear envelope and provide anchoring sites for interphase…

A: The nuclear membrane is comprised of two phospholipid bilayers. The membrane facing the cytoplasm or…

Q: Which of the following is true about Liebig's Law of the Minimum? * The growth of a plant is…

A: Liebig's Law of minimum or Liebig's Law was a law given by Carl Sprengel in 1840 and later proved by…

Q: FMI FUTURE MEDICAL IMAGING حضرة الاستاذ الدكتور عبد الفتاح الحسو المحترم Wednesday, April 20, 2022…

A: White matter is composed of myelinated axons .The whitish color of myelin gives white matter its…

Q: b) Shown below is a very short gene of an unknown bacteria genome (Figure 2). Transcription starts…

A: The mRNA is produced from the templates stand of DNA by the transcription process and polypeptide…

Q: Ned has type A blood, which is common, while Catelyn has type AB blood, which is the rarest type in…

A: The blood type is a classification of the blood, based on the presence and absence of antigen and…

Q: New plants grow from pieces or cuttings of parent plants   Choose the right answer: a. Regeneration…

A: Reproduction  The process by which new organisms are produced from existing ones.

Q: A set of true (pure) breeding horses with white and black coats are bred together to make an F1…

A: * Given that set of pure breeding with white na black coats are bred together to make F1 generation.…

Q: Mature sporophytes Look up the terms frond, rhizome, and roots, and define them. These three…

A: * Fronds means they are the leaves of ferns composed of a leafy blade and petiole. *Rhizomes are…

Q: Glucose is an isomer of fructose only galactose only neither galactose nor fructose invert sugar…

A: Biological macromolecules are the molecule that are needed in enough amount for our body and…

Q: 1) Transcription and translation both involve an initiation, elongation, and termination phase.…

A: A gene is the essential physical and functional unit of heredity. Genes are comprised of DNA. A…

Q: Photopsia is flickering lights and black dots

A: The visual system is made up of organs like the eyes. They give living organisms vision, the ability…

Q: Pain has a threshold. Select your answer. 0 dB-SPL 140 dB-SPL 10 dB-SPL

A: Pain is a feeling that is created when the body detects potential or actual tissue damage. It is an…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.