1999 Question #2 Communication occurs among the cells in a multicellular organism. Choose three of the following examples of cell-to-cell communication, and for each example, describe the communication that occurs and the types of responses that result from this communication. Communication between two plant cells • Communication between two immune-system cells Communication either between a neuron and another neuron or between a neuron and a muscle cell • Communication between a specific endocrine-gland cell and its target cell

Q: How does fluoride and salts in tap water results in plant necrosis?

A: Necrosis  Necrosis is the death of tissue due to disease or environmental stress.

Q: Many biology news stories refer to advances in genetics. How are the terms "genetic" and "genetic in...

A:  Given: Many biology news stories refer to advances in genetics. Genetics is a branch of biology tha...

Q: How do plant react to certain change like irritation/sensitivity

A: The sensation is one of the capacities shown by a residing creature to keep up with its life, where ...

Q: The mean of plant height from two rice plants (P1 and P2) and their progeny (F1 and F2) and a backcr...

A: Backcrossing happens when a hybrid crosses with one of its parents or a genetically related individu...

Q: PActivity 2 Direction. Match column A to column B. A B 1. Luteinizing normone (LH) 2. Follicle-Stimu...

A: The chemical messengers that are secreted directly into the blood, which carries them to organs and ...

Q: After treating one polypeptide with two different proteases (Trypsin and Chymotrypsin), shorter frag...

A: Introduction Peptides are short chains of amino acids with peptide bonds connecting them. Oligopepti...

Q: Which of the following alter name for method of false position? a.Method of chords  b.Regula-falsi...

A: Answer 1- b. Regula-falsi method.  regula falsi method or false position is the method for solving e...

Q: What do their resources tell you about the types of people that do science?

A:

Q: Explain and provide examples of specificity, competition, and saturation in proteins. Your response ...

A: Introduction:- Thousands upon thousands of biochemical events occur simultaneously in a biological o...

Q: who is the father of cell biology

A: Another name that is used for describing the cell biology is cytology. This branch is used for the s...

Q: the Chronic Myelogenous Leukemia (CML)

A: A disease in which the bone marrow makes too many white blood cells is known as the chronic myelogen...

Q: According to Atterberg, between the ________________ and ______________ limits, a soil is in a plast...

A:

Q: 5.1) Do you expect DNA strands 1 and 2 below to have the same melting point? Justify your answer. S...

A: As per bartleby guidelines we are only allowed to answer one question. Please post the other questio...

Q: What salt did Meselson and Stahl use for their ultracentrifuge gradients? O NaCI O NH4CI O CSCI O Ca...

A: Given: DNA replicates semiconservatively. Matthew messelson and Franklin stahl performed an experime...

Q: How does overwatering affects plant leaves?

A: Introduction :- Photosynthesis, the process by which plants create food, takes place mostly on leave...

Q: ter reading the “Using spectrophotometers to study a Catechol Oxidase Reaction section, copy into yo...

A: Catechol Oxidase reaction is the process or reaction known to cause browning of the fruits when the ...

Q: Let's work on Z and D values. In the graph below, what are the z-values for each of the curves shown...

A: Linear (XY) graph has points that show the relationship between two sets of data. A XY Line graph us...

Q: Compare similarities and differences between adaptations and non- adaptations by writing yes or no i...

A: We are allowed to do one question or upto three subpart of a question.  Please repost the undone que...

Q: S. Fill in the blanks with the correct terms to describe the path of blood flow through the heart st...

A:

Q: Pollution is irresponsible action How did pollution b Directions:

A: Pollution -- Pollution is not a new phenomenon and is the greatest problem facing humanity and leadi...

Q: 1- Why does a banana peel turn from green black when placed at room temperature? 2- what happen ...

A: Plant hormones, also known as phytohormones, are primary elements or hormones which control plant gr...

Q: Which type of virus must contain an RNA replicase packaged in the viral particle in order to carry o...

A: A virus is a small collection of genetic code, it can be  DNA or RNA, surrounded by a protein coat ,...

Q: How do cells after meiosis compare with cells that are in the prophase of meiosis I? A) The cells ha...

A: Introduction: The production of offspring by sexual reproduction includes the fusion of two gametes,...

Q: 5 uses of Isotopes in the medical field

A: In health, agriculture, industry, and research, radioisotopes and enriched stable isotopes are frequ...

Q: Define thoracolumbar division

A: The sympathetic nervous system is a component of the autonomic nervous system that is responsible fo...

Q: list down 3 Ways on how you can contribute in decreasing or lessening the effects of Climate Change....

A:

Q: ACTIVITY 1 Fill in the blanks. Read carefully and choose your answer inside the box. Fertilization Z...

A: Introduction: The process of fusion of male gamete and female gamete is called fertilization. Fertil...

Q: 8. contrast the inheritance of linked genes with unlinked genes

A: Genetic is the branch of science that deals with genetic material like genome, genes, DNA, and prote...

Q: sequences oT two con the following bacterlal promoter. The startpoint of transcription is shown in r...

A: Transcription is the act of copying and interpreting information from a DNA strand into a new molecu...

Q: Which one is NOT the cause of hypoxic hypoxia? . emphysema . hypoventilation . high altitude . c...

A: Hypoxia is a condition that occurs when there is reduced level of oxygen in the tissues. There are d...

Q: Graph 2: The following data were collected during a study of the tadpole populations in nearby lakes...

A: Hypothesis testing involves proposing a hypothesis, deciding the variables and measuring the variabl...

Q: Can obstructive sleep apnea lead to increased WBC? If it can, how?

A: INTRODUCTION Obstructive sleeping apnea Caused due to repetitive collapse in the upper airway while ...

Q: How significant is cellulose tape perianal swab to the control of pinworm infection in the community...

A: Pinworms are parasitic worms that are also known as threadworms or seatworms. It's a nematode and a ...

Q: Why does amplitude decrease in a train of action potential

A: Nerves transmit impulses to and from the central nervous system. Twelve pairs of cranial nerves conn...

Q: n the context of animal adaptation, cite an example how warm and cold blooded animals attain a stabl...

A: Warm blooded animals have a highly regulated mechanism of temperature control. They have a mechanism...

Q: 8. Both alleles are expressed equally in the genotype of the offspring. 9. A third phenotype appears...

A: The patterns of inheritance is discovered and described by Gregor Mendal (1856-1863). He proposed th...

Q: II. Read and identifu the independent, dependent, and control variables in the given aituations belo...

A: Independent variables are variables that the researcher alters. Changes in the independent variable ...

Q: B. Variations in Plants Draw any visible morphological variations in at least five different leaves ...

A: Leaves may vary in size, shape, and their arrangement on stems. C. variegatum and C. scutellarioides...

Q: 7. Draw what you would expect to see for acid fast stain and endospore stain procedure if you did no...

A: Staining is a technique for adding color to cells, tissues, or microscopic components so that they c...

Q: molecules of ATP are used. In glycolysis II, _-- In glycolysis I, are produced. molecules of ATP O 4...

A: Introduction:- The energy in the bonds of the sugar glucose provides nearly all of the energy requir...

Q: You want to mutate a Trp residue which is located in the interior of a protein structure. Which of t...

A: Amino acids are the monomers that are bonded by peptide bonds to make polypeptide chains.  

Q: Differentiate bioaccumulation and biomagnification and Explain how COVID19 wastes like face masks an...

A: Bio-accumulation and bio-magnification are parameters used to analyze the impact of a pollutant /tox...

Q: medical laboratory safety management

A: The medical laboratory is a naturally dangerous place, with fire barriers, hazardous chemicals, and ...

Q: The aquiferous system of a leucon sponge and the gastrovascular cavity of large anemones are both a ...

A: There are few important points about phylum porifera: Sponges are primitive multicellular animals w...

Q: If humans came from apes, why are there still apes?

A: It is a common misnomer that humans have descended from apes, as the actual fact states that humans ...

Q: The TM of a DNA duplex is measured at 55 C. When the concentration is one thousand times higher, the...

A: The Temperature of Melting (Tm) is defined as the temperature at which 50% of double stranded DNA is...

Q: 10 pros and cons of stem cells as way of treating diseases nowadays.

A: Introduction :- Stem cells are cells that have the ability to differentiate into a variety of variou...

Q: What is the indigenous name of Gulf of California

A: The Gulf of California, It refers to the sea found in the Pacific Ocean, which separates maxican mai...

Q: As all ecosystems are connected, in the warming sea temperature, what techniques are used to create ...

A: A stream is considered as a water body whoch is known to carry a number of particles of rock and fur...

Q: You are attempting to rupture cells. You systematically dilute a lysis buffer of ammonium sulfate in...

A: The term molarity is associated with the number of solute molecules present in a solution in one lit...