Radiometric dating ... Group of answer choices A: is based on the scientific observation that unstable “parent” isotopes decay into more stable “daughter” isotopes at a constant rate B: involves some event that initiates a radiometric clock, such as when a plant or animal dies (radiocarbon). C: has helped us determine that the Earth is roughly 4.54 billion years old. D: provides an accurate means of determining the age of materials that are very old. E: All of these answers are true

Q: Which of these is a tetrapod that is NOT an amniote? A. Ostrich B. Shark C. Rattlesnake D. Salamande...

A: * The tetrapods are superclass of animals belong to class tetrapoda that consists of  all limbed ve...

Q: Between which types of compounds in a double-stranded DNA molecule must the bonds break before repli...

A: -DNA replication is the biologucal process of producing two identical replicas of DNA from one origi...

Q: Hemophilia is caused by an x-linked recessive allele. Make a cross between a hemophilic Father and a...

A: Hemophilia is caused by an x-linked recessive allele.

Q: 1. List down 2 advantages and 2 disadvantages of wet mounts in stool examination

A: Wet mount test (in stool analysis) : In the wet mount test of stool analysis theProtozoan trophozoit...

Q: Acetylcholine: is the neurotransmitter in the parasympathetic nervous system. is the neurotransmitte...

A: Introduction: acetylcholine is a neurotransmitter, it is an ester of choline and acetic acid. acts a...

Q: Many cancer cells are immortal and can be cultured in the laboratory for many years. Many of these c...

A: Introduction  The aging of cells can be attributed to several factors such as degradation of cellula...

Q: Why did we add agar after we measure the pH?

A: pH means p stands for potential or power.H stands for Hydrogen atom.It is the power of the Hydrogen ...

Q: Paleomagnetic reversals cause mass extinctions when they occur. Group of answer choices True False

A: False.

Q: What are the 3 phase of the routine stool examination?  2. What would be the pre-analytical phase i...

A: Human feces is known as stool.It is the waste residue of indigestible materials of an animal's diges...

Q: 1. Which modification occurs as part of transcriptional termination? Explain this modification and h...

A: 1 ) ANSWER The maturation of a eukaryotic mRNA from primary mrna transcript  involve many complex s...

Q: What is your stand on GMO

A: A genetically modified organism (GMO) is an animal, plant, or microbe whose DNA has been altered usi...

Q: Define about chromatin ?

A: Introduction: chromatin is the complex of protein and DNA found in the nucleus of the cell. Chromati...

Q: when memories are formed, the different sensory signals that occur together affect how that memory w...

A: True  The brain simmers with activity. Different groups of neurons (nerve cells), responsible for di...

Q: nucleoid ribosomes plasma membrane flagella lysosome mitochondria nucleolus prokaryotic only eukaryo...

A: Prokaryotic and eukaryotic cell share few similarities however show so many difference in their stru...

Q: Compare the advantages of Linnaean and phylogenetic classification systems

A: Introduction: Classification is a very important aspect of Biology. It has greatly eased the study o...

Q: Which type of biome is found at the lowest latitudes? A. Rain forest В. Desert C. Chaparral D. Tundr...

A: 3. Option  A. Is correct Tropical rain forests are found in areas near the equator. Deserts, on the ...

Q: i need help identifying all of the Lichens specimens and their characteristics

A: Lichens are complex life forms, that are a symbiotic collection of fungi and algae. fungi provide a ...

Q: 1. Robert Whittaker popularized the five kingdom system. 2. Carl Woese proposed the six kingdom syst...

A: Q. 1. Robert Whittaker popularized the five kingdom system. 2. Carl Woese proposed the six kingdom s...

Q: Why can't an individual eveolve?

A: Evolution is the process by which the traits of a species change over numerous generations and is ba...

Q: What type of grazing fish is this?

A: Grazing fish eat a wide variety of food organisms by biting them. They usually go in groups. Althoug...

Q: List the sequences of RNA that would be transcribed from the following DNA template sequences. TTAC...

A: The DNA or deoxyribonucleic acid is the genetic material in living organisms. It contain genes that ...

Q: A trihybrid individual with the genotype QqRrTt is testcrossed with a qqrrtt individual. The resulti...

A: A trihybrid cross is a cross between two individuals of the same species for the purpose of studying...

Q: Туре Formula Chromosome number and Chromosome Complement 7: (АВCD)(ABC) 6: (АВC)(АВC) 6: (ABCD)(AB) ...

A: In meiosis Diakinesis is the last step of prophase. prophase is the longest step of meiotic division...

Q: Photosynthesis is defined as the chemical process, wherein carbon dioxide in the presence of water a...

A: The plants have three basis needs to grow better. These are, 1) Sunlight 2) Water 3) CO2 Along with ...

Q: How can you reply to a discussion about animals with special adaptations?

A: The "Ecosystem" is comprised of the interactions of species in a given region with their surrounding...

Q: The SDI is essentially focused on what three things?

A: SDI: Simpsons diversity index usually used to measure the biodiversity. 

Q: How does the small intestine have such a large surface area? Why is a large surface area important? ...

A: The muscle groups of the small intestine mix meals with digestive juices from the pancreas, liver, a...

Q: True or False: The output of the Mass Spectrometer gives us the exact mass of a molecule.

A: The output of the mass spectrometer is the separation of molecules based on their m/z (mass to charg...

Q: There are two broad classes of transposons. Each class is characterized by its method of "jumping" (...

A:    

Q: The electron-transport chain consists of a number of multi protein complexes, which work in conjunct...

A: Introduction  FADH and NADH are examples of electron carrier which takes part in most of the redox b...

Q: Please choose all the ADVANTAGES of protein-based drugs such as antibodies compare to small molecule...

A: When ingested into a living system, drugs are any chemical compounds that affect/alter the metabolis...

Q: If the code for an amino acid is ATG on the DNA molecules, this code on the transfer RNA molecule ma...

A: Note: As per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction: DNA...

Q: Panthera leo (Lion) and Panthera onca are members of the same kingdom but different phyla phylum but...

A: The living organisms are classified into different five kingdoms according to their characteristics....

Q: 4. Ensuring adequate maternal intake of a spe- cific nutrient is especially important in reduc- ing ...

A: The correct option is C.  

Q: Gyraulus convexiusculus is the first intermediate host of: Echinostoma ilocanum Fasciola hepatica Op...

A: Gyraulus convexiusculus is a freshwater snail and can behave as an intermediate host of many parasit...

Q: back ground study of ampalaya

A: Introduction: Ampalaya is also known as Momordica charantia found in the tropical regions of the wor...

Q: Cross a heterozygous pea plant with a homozygous recessive pea plant. Draw a Punnett square to show ...

A:

Q: How Would You Farm?

A: Farming is the practice of growing crops or raising cattle in a large area. It involves strong inter...

Q: How mRNAs are often translated immediately and degraded ?

A: RNA is the short form for Ribonucleic acid, and it is an important biological macromolecule found in...

Q: select the following answers

A: Since, individual 1(male a/c to the pedigree diagram) is phenotypically healthy and female 2 is dise...

Q: Describe the similarities and differences between the mechanism of import into the mitochondrial mat...

A: Organelles with two membranes, such as mitochondria and chloroplasts, are double-membraned. They spe...

Q: Corn has a chromosome number of 2=20. Supposing there are different aneuploidy/polyploidy in corn, p...

A: The sex chromosomes decide an individual's sex. The majority of people have two sex chromosomes, one...

Q: After adding ammonium sulfate, the mixture was allowed to stand with occasional stirring for 30 minu...

A: Salting out refers to the decrease in solubility of proteins in the presence of very high salt conce...

Q: A can cleave the hinge of each heavy chain as shown below.

A:  IgG is cleaved with a protease that is the one which targets the hinge region. Proteolytic cleavage...

Q: In three to five sentences, describe how the diagram of Earth’s carbon cycle demonstrates the intera...

A: The carbon cycle is a cyclic process that resues the carbon that travels from the lithosphere to the...

Q: Is ATPase a phosphatase? Both ATPase and phosphatases remove phosphate groups.

A: * ATPase also called 3, Adenosine 5'-TriPhosphatase are a class of enzymes which catalyze the decomp...

Q: Discuss how enzymes proofread and repair errors in DNA.

A: Errors in various cell processes are repaired by a group of damage repair mechanisms known as DNA re...

Q: Compare the Peak Respiratory Flow of men vs women provide exmaples

A: "ANSWER  When comparing males and females, males have higher specific airway conductance and flow r...

Q: Asexually reproducing animal populations are rare, butthey typically consist of females who produce ...

A: The majority of living organisms reproduce in two ways: asexually and sexually. Asexual reproduction...

Q: Proteins can be separated into 9 general classifications based on the role they play in a cell. List...

A: Proteins can be classified into following types:- Fibrous Proteins Globular Proteins Derived Protei...