If our DNA contains all the information about who we are, how can something that does not involve changing the gene sequence cause changes in phenotypes?

Q: During the process of DNA extraction with organic solvents (indicate which one/s are correct) O A. D...

A:     INTRODUCTION        DNA extraction method is an important techniques that involved in the molecu...

Q: Men have slightly higher values(BMR) than women, because women have less body fat and therefore use ...

A: False

Q: In photosystem II of the photosynthesis light reaction, water is broken. What three products are rel...

A: Introduction :    In thyllakoid lumen,  water and salt present.  Here photolysis of water takes plac...

Q: ture or false    The CO2 rebreathing method for measuring cardiac output can be used with strenuou...

A: *CO2 rebreathing method is used to measure the cardiac output. *Cardiac output by this method is bas...

Q: Given the chromatogram of the spinach leaves extract in a normal phase from the experiment you condu...

A: Plant possess various types of pigments for their specific role in growth and development. Based on ...

Q: Men have slightly higher values(BMR) than women, because women have less body fat and therefore use ...

A: Basal metabolic rate(BMR) It is the number of calories body needs to accomplish it's most basic or b...

Q: Is NADPH consumed during the light reactions or Calvin cycle? What is it’s energy used to do?

A: According to Bartleby guidelines , we are supposed to answer first question in case of multiple ques...

Q: In pea plants, purple flowers (P) are dominant over white flowers (p).  Being tall (T) is dominant o...

A: In a dihybrid cross, 2 traits are crossed. Here the 2 traits are flower colour and plant height.    ...

Q: True False

A: Yes,It is a true statement. Homo naledi fossils were first discovered in Rising Star Cave in South A...

Q: Huntington’s disease is an autosomal dominant disease in humans, but the first symptoms usually don’...

A: Autosomal dominant disorder inheritance The dominant autosomal mutated gene cause the defect in gene...

Q: Men have slightly higher values(BMR) than women, because women have less body fat and therefore use ...

A: It is rate of energy used per unit time by the animals in rest condition. 

Q: Identify 5 common characteristics of transcription and replication

A: Transcription is a process in which the information in the template strand of a DNA is copied into a...

Q: Describe microevolution.

A:

Q: Using the new sequencing platforms as examples discuss how DNA sequencing technologies have evolved ...

A: Dna sequencing g is highly essential for the researchers and the scientists to understand different ...

Q: From the clinical evidence on brain injury, it appears that storage bins for long-term memories are ...

A: Long-term memory is the storage of information in the brain for a longer period of time (often for y...

Q: Illustrate and describe the life cycle of the following:  Trichuris trichiura

A: Introduction: Whipworm infection is caused by a parasite called Trichuris trichiura. This parasite i...

Q: Which of the following is true of oligotrophic lakes?

A: Lake ageing It is the natural process by which a lake fills in with erosional materials carried in b...

Q: How is genetic engineering used to create bacteria capable of producing human insulin?

A: Introduction When bacteria produce human insulin, the human insulin gene is incorporated into the ge...

Q: Sharks and bony fish are classified within the phytoplankton because they are often found in the wel...

A: Introduction :- The bony fish, or Osteichthyes, is a complex taxonomic category of fish with skeleto...

Q: What is the main moral problem regarding the cloning of human individuals?

A: Introduction  In this question we will discuss about the main moral problem regarding the cloning of...

Q: APPLICATION Directions. Read and perform the procedures indicated below. 1. Make a short educational...

A: Tay Sachs disease It is a disease that is caused by the insufficient activity of enzyme called beta ...

Q: What is metaplasia? Site 2 examples of metaplasia that happens in Epithelial tissue. What causes thi...

A: Metaplasia:The change of one adult tissue type into a other related and more durable tissue type is ...

Q: What are the other three different types of microtome (except hand microtome). Describe and differen...

A: Microtome is an instrument which is used to thin ,  fine and uniform sections of specimen for the pu...

Q: What valuable information can an archaeologist gain from understanding the connections between long-...

A: Archeology gives us the chance to find about past culture through the investigation of artifacts, an...

Q: You found a protein called X in colon cancer patients that is over-expressed and is associated with ...

A: Metastasis is the process by which cancer cells spread from the primary tumor site to other parts of...

Q: Sometimes people don’t recover enough DNA from their cheek cells to be visible. Suggest a change to ...

A: The above scenario based on DNA extraction.

Q: Describe the changes in ACTH and cortisol concentrations during diurnal rhythm in humans.

A: Diurnal rhythm :- This rhythmic behaviour controls the day night rhythm of the body, it displays ent...

Q: Explain how most cells can have the same genetic content and yet have different functions in the bod...

A: The genome of a cell contains in its DNA sequence the information to make many thousands of differen...

Q: Put the numbers of the cell pictures in the correct order to show the sequence of stages in meiosis....

A: 1.Anaphase 1 2.Anaphase 2 3.Prophase 1 4.Metaphase 1 5.Metaphase 2 6.Telophase 1 7.Prophase 2 8.Telo...

Q: QUESTION 1 Match the term with its best definition. v follows a particular compass heading v moves u...

A: Animal behaviour deals with activities performed by animals for their survival or in response to cha...

Q: Examine the factors that caused speciation.

A: Speciation is the process by which different species emerges through evolution. A species is a colle...

Q: 6. Genes Mand Nare 34 mu apart. A double heterozygote individual is crossed with an mmnn individual....

A:   Distance between M and N 34 map unit  That means they are linked.  Double heterozygote = MmNn  Rec...

Q: Are there similarities between the DNA replication bubbles and the transcription bubbles found in eu...

A: Yes, there are similarities between the DNA replication bubbles and the transcription bubbles found ...

Q: 1) In capsule staining, why does the capsules did NOT take in any dye?  2) In endospore staining, w...

A: Stain is a dye used to colour living or dead organelles. Stains are of three types -  Acidic  Basic...

Q: Q1. Notice the effect of 5-HT is expressed relative to the maximum response to ACh not to itself. Wh...

A: 5-HT= 5-hydroxytryptamine ACh= Acetylcholine.   

Q: hown.    Molecules: CO2, H2O, O2, sugar   A:   B:   C:   D:  B) In the image attached, the lig...

A:      INTRODUCTION      The  Calvin cycle is a main process that attained in the plants and algae so ...

Q: The difference between sympatric and parapatric speciation is_______ . a. parapatric speciation occu...

A: Speciation is the evolutionary process by which new species emerge from old or existing species. The...

Q: Organisms living at the bottom of oceans, rivers, and lakes are all called benthos.

A: Introduction: The benthic zone, which includes the sediment surface and some sub-surface layers, is ...

Q: Identify the features of tRNA that are important in decoding genetic information and converting it i...

A: Codons encode specific amino acids for protein synthesis, a process known as translation. Transfer R...

Q: The frizzle fowl is much admired by poultry fanciers. Itgets its name from the unusual way that its ...

A: Dominant allele is one that always expresses its phenotype. Recessive allele is one that is expresse...

Q: How did the first fermenting autotrophs appear? What about the first aerobic organisms?

A: Introduction In this question we will discuss about the first fermenting autotrophs appear and the f...

Q: Describe the three body forms typical of animals

A: The animals can be classified based on their body symmetry, these are: Bilateral symmetry Radial sy...

Q: Differentiate nuclear form extrachromosomal inheritance and solve problems illustrating the latter.

A: Inheritance is the transmission of characters from the parents to the offspring, i.e members of each...

Q: A virus has been identified that encodes a protein which inhibits the transporter-associated with an...

A: Transporter associated with antigen processing (TAP) 

Q: which letter indicates the axon of the sensory neuron? justify your answer

A: * Neurons forms network of the nervous system that conducts electrical impulses between the central ...

Q: Describe some models of speciation and give examples of each.

A: An evolutionary process IN which a new species comes into form is known as speciation. A species is ...

Q: Bone mineral has the following --properties None O Has a fair amount of tensile strength O Can be be...

A: Introduction: Bone is a rigid body living tissue consisting of cells embedded in an abundant hard in...

Q: Choose the answer that best fits. 7: The Nariokotome specimen ... Group of answer choices A: is the ...

A: Evolution is a continuous transition of living forms, beginning with the basic forms of the past and...

Q: Choose all of the structures in fern plant life cycle that are haploi

A: Life cycle of Fern is as follows: - New Sporophyte (matures into>) Mature Sporophyte(undergoes m...

Q: How did the experiments of Redi and Pasteur refute the spontaneous generation hypothesis?

A: Introduction In this question we will discuss about the Redi and Pasteur experiments 

Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.