Which of the following is not one of the principles for creating an enriched environment? Human and nonhuman environments Solitude and inner reflection Pioneer Network Environmental stimulation

Q: Post-transcriptional modifications in eukaryotic RNAS A. addition of CCA at the 5'end of the TRNA fo...

A: Answer :- Option (D) is correct. - Addition of CCA at the 5'end of the tRNA for binding with amino a...

Q: What are the importance of mass extinction over time with emphasis permian Triassic extinction. Writ...

A: Permian mass extinction is considered a most devastating biotic event which caused the loss of globa...

Q: Evolution is based on which of the following concepts? (a) organisms share a common origin (b) over ...

A: Heritable change in the characteristics of biological populations over successive generations is kno...

Q: 2. In a common eudicot pattern of development for the common bean in the figur the seed (1), then be...

A: Various environmental factors have a significant role in the germination of a seed. Hence the study ...

Q: Conduct research and summarize the causative agent and mode of transmission behind the multistate me...

A: The U.S. Food and Drug Administration (FDA) and Centers for Disease Control and Prevention (CDC) are...

Q: moryos stage, Fish Salamander Tortoise Chick Rabbit Human Describe how the embryos changed for each ...

A: Human Developed limbs, defined features in face, neck, ears, loss of tail, tiny fingers present  C...

Q: What two properties define a stem cell? Distinguish between a totipotent stem cell, a pluripotent st...

A: In the body, stem cells work as a repair system. Stem cells are cells having the ability to develop ...

Q: A couple comes into a fertility clinic. A chromosome preparation is made for each and the male is fo...

A: Introduction :- A karyotype is a collection of all metaphase chromosomes in a species' or individual...

Q: Choose one endemic species of the Philippines and talk about how it could've speciated.

A: Palawan bearcat commonly known as Palawan binturong or asian bearcats. They are endemic to the Palaw...

Q: 1.calculate the net ATPS produced from the pyruvate through the TCA cycle. 2.calculate the net ATPS ...

A: 1. 1st Stage: ATP = 2ATP The reaction is as follows: 2NADH+H+————>2FADH2(to ETC)=3ATP Pyruvate is...

Q: a. What is the diploid number of chromosomes for a human? b. What is the haploid number of chromosom...

A: Introduction Cell division is the process by which a parent cell divides into two or more daughter c...

Q: ascent form of the MRNA undergoes splicing only after capping is also called hnRNA is polyadenylated...

A: A,B,C only

Q: According to evolutionists, which is the best test to show the relatedness of two organisms?

A: Evolution is the change in the characteristics of a species over several generations and relies on t...

Q: 1M = 1 mole/L. To determine how many grams of a substance is equal to one mole the molecular mass is...

A: C₁ = the original concentration of stock solution  V1= the volume of stock solution needed to make w...

Q: 18. In order to m protein. You crea guide RNA comp sequence Gene that the CRISPR Gene Yis neces: a. ...

A: CRISPR/ cas 9 Clustered regularly interspaced short palindromic repeats is a gene editing system tha...

Q: How is microevolution related to macroevolution?

A: Evolution are the changes that occur to make a species in its present form. It may occur in two form...

Q: Since our current pandemic is caused by SARS-CoV-2, a coronavirus, let us get to know it better by l...

A: Sars Cov-2 virus refers to severe acute respiratory syndrome coronavirus 2 this if virus responsible...

Q: two events in meiosis lead to genetic variation and when does each occur?

A: Meiosis is a simple biological process that occurs in the germ cells of sexually reproducing organis...

Q: All four genes that are used to reprogram differentiated cells to function as pluripotent stem cells...

A: The stem cells are the potential cell that develpo into many different cell types in the body. This ...

Q: e) Complete the table below: Transport method for water Transport method for (passive/ active?) Root...

A:       Epidermis diffusion active Cortex osmosis down a concentration gradient. Active Endoderm...

Q: Eukaryotic genomes have many copies of genes H1, H2A, H2B, and H3, but some copies have accumulated ...

A: This question is based on mutations and genome.

Q: Question 13 The absence of a sigma factor will never initiate transcription. A True B) False

A: Introduction:- The enzyme RNA polymerase copies a specific segment of DNA into RNA during transcript...

Q: A seed of a plant you are examining has one "seed leaf", a structure that nourishes the growing plan...

A: One " seed leaf" ( or cotyledon ) is the characterstics of monocots. Cotyledons are the first leaves...

Q: Mammalian axon regrowth in the periphery is: Select one: O a associated with improved function after...

A: Answer :- Option (B) is correct. - Less likely than regrowth in the central nervous system.

Q: METABOLIC METABOLITES DISORDERS Alkaptonuria SYMPTOMS DIAGNOSIS Phenylketonuria Gout Ketosis Fatty l...

A: Alkaptonuria and phenylketonuria are called inborn errors of metabolism. The disorders are usually c...

Q: Wolves recolonized a large area around Grand Teton National Park (GTNP) in the late 1990’s. Wolf bio...

A: A Population Growth (Gr) is calculated by subtracting the initial population from the final populati...

Q: Explain why angiosperm wood is considered to be evolutionary more advanced than the gymnosperms wood...

A: Angiosperms(flowering plants) are those plants that have their seeds protected inside the flower or ...

Q: ene that can regulate the expression of multiple language genes. What could be the probable protein/...

A: Humans have an innate ability to create highly complex linguistic systems. It is a skill that is inh...

Q: In bacteria, single polycistronic MRNA encodes for:

A: This question is based on polycistron.

Q: Homeobox genes (a) are found in fruit flies but no other animals (b) tend to be expressed in the ord...

A: Genes are the stretch of DNA present in linear order on chromosomes.

Q: Wolves recolonized a large area around Grand Teton National Park (GTNP) in the late 1990’s. Wolf bio...

A: The number of wolves in 2000 at 21 wolves in the GTNP population. N0 = 21 The population growth rate...

Q: Why is it difficult to show vesicular release of neurotransmittermolecules by electron microscopy?

A: A microscope is a device used to examine microscopic organisms that are invisible to the naked eye. ...

Q: Explain why angiosperm wood is considered to be evolutionary more advanced than the gymnosperms wood...

A: Angiosperms are flowering plants that produce fruits that contain the seeds of the plants that produ...

Q: A death from trauma to the body, overall unknown cause of death, and/or no doctors visits within 30 ...

A: Questionable death   death is suspicious if it is unexpected and its circumstances or cause are medi...

Q: give a cladogram with the following: dog, bird, fish, mango, and mahogany

A: cladogram is a diagram that depicts evolutionary relationships among groups. It is based on PHYLOGEN...

Q: One of the first genes that was determined to control circadian-clock timing is the per gene in Dros...

A: A circadian rhythm, also known as a circadian cycle, is a natural, internal mechanism that controls ...

Q: give a sample scenario of Stimuli - Suppresion

A: The sensation is the activation of sensory receptors as well as the central nervous system to allow ...

Q: A replication fork is shown below. The primary enzyme that catalyzes replication is DNA polymerase T...

A: The replication fork * is a region where a cell's DNA * double helix has been unwound and separated ...

Q: importance of adaptation as a mechanism for survival of a species.

A: Adaptation is an important factor that aids an organism to live properly in its surroundings . There...

Q: Can you PLEASE SHOW how you draw the dunnet square for this question!

A: As you asked to draw a punnet square for the question, here is the solution. 1) The alleles of genes...

Q: Which pattern of inheritance is associated with a trait that (1) is not usually expressed in the par...

A: Inheritance is the transmission of traits over generations.  

Q: A replication fork is shown below. The primary enzyme that catalyzes replication is [ Select ] . Tha...

A: *DNA replication is a process which produces two identical replicas of DNA from original DNA molecul...

Q: The extent to which a given gene is transcribed depends upon (A the single transcription factor boun...

A: Transcription is a process where DNA converted into a mRNA. It has three step initiation, elongation...

Q: Select the descriptions that are specific for a regulatory transcription factor (RTF) Select 4 corre...

A: Genes are the fundamental unit of heredity. They store genetic information in the form of DNA, which...

Q: Question 18 One of the termination mechanisms in bacteria utilizes the factor that is an ATP-depende...

A: Introduction:- The process of creating an RNA copy of a gene sequence is known as transcription. Thi...

Q: Which of the following is true of TATA boxes

A: Transcription is the process of synthesis of RNA using DNA as a template. The process uses DNA depen...

Q: A bird has just observed a potential mate. In order for the mating ritual to begin, which of the fol...

A: The nervous system is divided into two parts: The brain and spinal cord together form the central n...

Q: 4. Which of the following is NOT part of Darwin’s theory of natural selection? A. Suitable variatio...

A: Darwin's Theory of Evolution by Natural Selection: *More individuals produced each generation that c...

Q: Some ecologists argue that “there is no true form of commensalism.”  Define commensalism and give an...

A: In ecology, interspecific interaction is a form of competition where the individuals of different sp...

Q: In Given dome Staternent Jbeow Statoment is worong Polyphenol oxidases 9 which with oregard to

A: This question is based on the function of polyphenol oxidase in plants.

Communities and Ecosystems

Ecology contains two words: Eikos means dwelling, and logy means to study, so the combined meaning is studying habitat or living.