Describe the possibility of generation of novel life forms from a flask with boiled yeast broth, amino acids. and essential inorganic salts, under two conditions: Flask with all the contents exposed to air and not exposed to air.

Q: Protists, mostly those that live in the ocean, perform approximately half of the photosynthesis on…

A: A protist is any eukaryotic organism that is not an animal, plant, or fungus. following is how might…

Q: What is the meaning of the term "Calories" written on food packaging? By convention, one Calorie…

A: Food is the source of nutrients for living beings.

Q: Explain about the conducting systems of heart.

A: Heart maintain a constant flow of blood throughout the body. This replenishes oxygen and circulates…

Q: Vaccines provide protection to the patient by inducing an adaptive immune response none of these is…

A: Vaccines provide protection to the patient by inducing an adaptive immune response.  The body immune…

Q: The "White Eyes" gene in fruit flies is a "sex-linked" trait. What data demonstrated this?     The…

A: White eye is a X linked recessive trait . It is expressed only on its homozygous recessive form.…

Q: The cross AaBb x aaBB results in which of the following phenotypic ratios?

A: The observable physical properties of an organism is known as phenotype. The phenotypic ratio is a…

Q: Explain in detail how cytoskeletal elements function at a molecular level to bring about movement in…

A: The cytoskeleton is a framework that aids in maintaining the internal order and shape of cells. It…

Q: Acetylcholine that binds to a muscarinic acetylcholine receptor will stimulate cardiac muscles.

A: Acetylcholine binds to muscarinic AChRs, which undergo a conformational shift that leads to the…

Q: In this experiment, thearubigins were studied for their ability to inhibit the activity of amylase.…

A: Here i discuss about the questions regarding the experiment to check the amylase activity.

Q: Differentiate between non-motile and motile microorganisms. Draw a comparison sample

A: Microorganism use different structure for movement some microorganism use flagella however other use…

Q: Given the active site diagram below, please identify the residue participating in a charge-charge…

A: Note- we are supposed to answer one question according to our guidelines. Please repost the other…

Q: Why do you think an infection from gram-negative bacteria can be more diff treat with drugs than a…

A: There are two types of bacteria depending upon their cell wall. Gram positive bacteria are known as…

Q: Which of the following would INCREASE blood pressure? DECREASED: 1) blood volume 2) blood vessel…

A: Blood pressure is the pressure exerted on the arterial walls by blood flowing into it. The blood…

Q: 7. Which of the following codons does NOT represent a stop codon? AUG UAA UAG UGA 8. A botanist…

A: Introduction :- A stop codon is a trinucleotide sequence of three nucleotides found in messenger RNA…

Q: Q46

A: The study of microscopic creatures' biology includes bacteria, viruses, fungi, algae, etc. These…

Q: Q3) Why is heat an effective means of sterilization?

A: Sterilization is a method of removing or deactivation the microorganisms present in the liquid or on…

Q: Which of the following is not true of enzymes? O Their function depends on their three-dimensional…

A:

Q: Which of the following statements regarding the active site of cytochrome P450s is correct? O…

A: Cytochrome p450 are one of the enzyme superfamilies which contains heme and acts as monooxygenase.…

Q: 4. In the food chain on the right, which organism is the tertiary consumer? 5. What is the…

A: Since you've asked multiple questions, we're only answering the first three for you. If you want any…

Q: True or false:  When glucose and lactose are not present, the lac operon will be not be expressed at…

A: operon is a cluster of genes that helps in the transcription and translation of genes called gene…

Q: Prepare a micro-theme comparing and contrasting plant and animal cells. Include the similarities and…

A: Introduction  Eukaryotes are organisms having cells that contain a nuclear envelope around their…

Q: Coronary artery disease causes: 8 1) hypoxia and ischemia 2) hypoxia but not ischemia 3) ischemia…

A: Coronary artery disease causes Ischemia but not hypoxia (Option 3 is correct).

Q: Name the process through which injured axons are repaired, and describe the process.

A: Axons are the extensions of neurons that arise from the soma.

Q: If the Nco1/EcoRI double digests produces 3 fragments what are their sizes?     2.5 kb, 250 b and…

A: The plasmids are the circular DNA found in bacteria. These are double-stranded DNA which is used…

Q: Define oncogene, proto-oncogene, and tumor-suppressor gene.

A: The most common gene in people with cancer is p53 or TP53. More than 50% of cancers involve the lost…

Q: List three (3) advantages and two (2) disadvantages for each of graphical presentation using 1.)…

A: Histogram is used to see the frequency distribution of a data set. It is one of the most frequently…

Q: What are the most common treatments of cancer?

A: Introduction: Uncontrolled cell division is a symptom of cancer. Tumors, immune system harm, and…

Q: 1.This graph shows one-factor affecting human population growth. What is that factor?  2.Use the…

A: Population growth Population growth defines the variable size of the population over time. A…

Q: Conservation biology is a branch of biology that focuses on the preservation of biodiversity. Please…

A: Biology is the study of life and the mechanisms that sustain it. All of life's physicochemical…

Q: Urine volume is reduced by the action of vasopressin gonadotropin-releasing hormone estradiol…

A: ANSWER) The Urine volume can be reduced by the action of Vasopressin as it has Anti diuretic action.

Q: Arrange the following stages in sequence: 1) postsynaptic cell reacts to the signal 2) action…

A: Nerve conduction in synapse:  The synapse is the gap in between two neurons when an action potential…

Q: Imagine 2 people that were each heterozygous for the "Albinism" allele. If they had children…

A: Albinism is inherited disorders where there is little or no production of the pigment melanin. The…

Q: How might a bacteriophage be used to treat a bacterial infection? – this question relates to…

A: INTRODUCTION Viruses are obligate parasites that live inside the host cells. The structure of…

Q: Why germination is needed & how to induce germination  pls write it as a points in very short…

A: Germination is the process of a plant growing from a seed. The seed contains all the necessary…

Q: To enlist: The three functions of the water-vascular system of echinoderms.

A: The water vascular system of echinoderms is essentially a system of fluid-filled canals that extends…

Q: Although the market value of compost is negligible, many communities have implemented yard waste…

A:

Q: what is erection of penis?

A: There are several sex organs in the male reproductive system which are involved in human…

Q: Matching

A: Matching explanation: A) Water pollution: B) Monoculture:  This is a type of agriculture, growing…

Q: What are the risks in planting (dead seed, unhealthy)

A: Putting the seeds in a jar of water is one approach to determine whether the seed is viable or…

Q: Which one of the following domains has peptidoglycan in the cell wall? Bacteria Archaea Eukarya

A: Introduction : Peptidoglycan, commonly referred to as murein, is a polymer made of sugars and amino…

Q: 1. What is the function of a heterocyst and akinete in Cyanobacteria? 2. Describe a vegetative…

A: 1. What is the function of a heterocyst and akinete in Cyanobacteria?   2. Describe a vegetative…

Q: 3000 bp 2000 bp 1000 bp 800 bp 700 bp 500 bp L Uncut EcoRI BamHI Ncol EcoR1/BamH1 BamHI/Nco1…

A: Plasmids are double-stranded circular DNA molecules. Due to their small size and stability, these…

Q: - Describe what is happening in figures 1-3. Is the population of mice different in figure 3 than in…

A: Natural selection natural selection is a process by which only the organism that adapts to the…

Q: Which statement is true about fossilization? (A) (B) (C) (D) Only animals with backbones…

A: Fossilization is the process of preserving plant and animal remains over a period of time by means…

Q: Put the following events in chronological order. First protocell forms First prokaryote First…

A: Origin of life on Earth still seems unsure. But different scientific theories about this are -…

Q: Describe th term cell cycle.

A: Cell cycle It is a series of events that a cell passes through from the time until it reproduces…

Q: Which of the following is found in both the light reactions of photosynthesis and cellular…

A: Light-dependent reactions occur on thylakoid membranes during photosynthesis. Cellular respiration…

Q: Why is the tumor microenvironment important to cancer progression?

A: Cancer progression requires metastasis which in turn is the ability of tumors to migrate within the…

Q: Elaborate 3 levels of treatment options available for Type II Diabetes and  Discuss the differences…

A: Introduction  Diabetes mellitus, also referred to as diabetes, is a group of metabolic abnormalities…

Q: What are aminoacyl-tRNA synthetases?

A: A protein or polypeptide sequence is biosynthesized during translation inside a live cell. The…

Substance Abuse

Substance abuse refers to the use of illegal drugs in excessive quantities, as well as the misuse of legal substances such as prescription or over-the-counter pharmaceuticals or alcohol for purposes other than those intended. Drug addiction, also known as substance use disorder, is a disease that affects the brain and behavior of a person. It leads to a failure to control the use of any drug or prescription, legal or illegal.