Branchial arches are absent in humans but not in fishes.

Q: Discuss types of parks and protected areas and evaluate issues involved in their design

A: The biosphere is comprised of the parts of Earth where life exists-all environments. The biosphere r...

Q: Following a concussion, we see a large influx of:

A: A concussion is very severe disease. It one type of head injury which is temporarily affects brain f...

Q: Hybrid breakdown refers to which situation? Group of answer choices Two species can hybridize but th...

A: When two organisms from different species are crossed to produce a offspring such an organism is cal...

Q: 3. Give the genotypes of the gametes a heterozygous tall, purple-flowering pea plant (TtPp) could pr...

A: Introduction: The genotype is the set of genes in DNA responsible for a trait. In a way it refers to...

Q: what are the prevention, control and treatment of childhood asthma?

A: Introduction: Asthma is a common long-term inflammatory disease of the airways of the lungs. It is c...

Q: Which of the following describes Mullerian mimicry? Group of answer choices Mullerian mimicry is a d...

A: In mimicry, the animal resembles or imitates other animal, plant or other natural object not only in...

Q: summarize basic information with photos: Family name, the scientific name, common name, hosts/damage...

A: 1. Spruce beetle Family name- Curculionidae Scientific name- Dendroctonus rufipennis Common name- Ba...

Q: Does this appear correct?

A: Given,             Heterozygous purple flowering plant i.e Pp.          Homozygous white flowering p...

Q: Fulfill the epidemiologic triad as to the host, agent, possible vectors, and environment of the Swin...

A: There are three parts of triad, Host, causative agent, vectors, environmental conditions. 

Q: Which of the following is not an assumption made when evaluating Michaelis Menton kinetics? the reac...

A:   An enzyme is a biocatalyst that increase the rate of chemical reaction without itself being change...

Q: Did Pesticides Impair Child Development in Mexico’s Yaqui Valley?

A: The intense industrial agricultural pesticide technique was developed in the Yaqui homeland in the Y...

Q: Certain physical changes were necessary to allow human ancestral species to walk on two legs (bipeda...

A: Bipedalism is the ability to walk and running in two legs. The fossil structure says that the human ...

Q: Which of the following make up the vascular tissue found in a moss? can select more than one answer...

A: Plants are the living organisms who are made up of plant cells. 

Q: Q5. If one strand of a DNA molecule has the following sequence of bases, what will be the sequence o...

A: Introduction: Adenine binds to thymine and guanine binds to cytosine as they are complementary base ...

Q: In Figure 6-2, explain how the mutant polypeptide actsas a spoiler and what its net effect on phenot...

A: A gene is the essential physical and functional unit of heredity. They are comprised of DNA (deoxyri...

Q: Snakes have a special pit organ that allows them to detect the heat of the animals they hunt. This i...

A: Pit organ  Venomous snakes from the subfamily crotalinae commonly called pit vipers so called for th...

Q: Based on the docomentary entitled 'meet the Virus Hunters: Before the Next Pnademic Strikes" by CNA,...

A: The virus hunters is a documentary that shows the effectiveness of a disease to spread and cause a p...

Q: 1. One type of vertebrate cell that is thought to lack integrins is the erythrocyte (red blood cell)...

A: Integrins are large family of principal transmembrane receptors that facilitates the binding of cell...

Q: 1. How would you describe the basal body temperature of a female in the follicular phase as compared...

A: Introduction: The menstrual cycle is a reproductive cycle which takes place in the females of the gr...

Q: Which of the following would NOT occur as a result of regular exercise to a specific muscle group (a...

A: The exercising involves the training of muscles by putting heavy load on them, due to exercising the...

Q: Make the complementary strand for the following DNA template and label both strands as 5’ to 3’ or 3...

A: Introduction: Adenine binds to thymine and guanine binds to cytosine as they are complementary base ...

Q: With respect to gene transfer and the integration of thetransferred gene into the recipient genome, ...

A: Part A. Hfr cells are the key cells that are involved in the process of conjugation transfer host ge...

Q: What is binomial nomenclature and what are its basic rules?

A: Introduction In this question we have to discuss about the binomial nomenclature and it's basic rule...

Q: A man with normal teeth and who exhibits a mild case of Osteogenesis imperfecta (O1) was born to a f...

A: The allele for yellow-brown teeth (D) and the allele for normal teeth (d) are located on chromosome ...

Q: What are the main respective components of cell walls in bacteria, protists, fungi and plants?

A: Introduction In this question we will discuss about the main respective components of cell walls in ...

Q: On the lagging strand, the carbon in position on the deoxyribose sugar is facing the helicase enzyme...

A: *DNA replication occurs in  semiconservative manner E * Each strand in the double helix of DNA  acts...

Q: In Figure 6-19,a. what do the square/triangular pegs and holesrepresent?b. is the suppressor mutatio...

A: Mutation is a permanent change in the genetic material (the genome) of a cell of a live creature or ...

Q: What are the main respective components of cell walls in bacteria, protists, fungi and plants?

A: A cell wall is a structural layer found just outside the cell membrane that surrounds various types ...

Q: Acrocanthosaurus what is physical description compare to tyrannosaur rex differences of shape, size ...

A:

Q: Question 2 Why do small Arctic mammals enter hibernation whereas larger mammals stay active during t...

A: Introduction:- During the winter, many animals stay inactive for varied periods of time, and a varie...

Q: List three reasons why biodiversity conservation is important.

A: Biodiversity refers to all the living organisms that are present in an area. It includes all the mic...

Q: How to know the sequence of all mRNAs ?

A: For the determination of the gene sequence that is based on the template of mRNA, we need to do the ...

Q: Label albumin, alpha 1, alpha 2, beta and gamma on the result part

A: Blood has a liquid portion called 'plasma' when all cells of the blood like white blood cells, red b...

Q: Joshua Tree National Park hosts several species, including the cactus wren, creosote bush, kangaroo ...

A: Ecological levels of organizations are as follows :-

Q: pigments and its function that is present in kabocha squash

A: Botanical name: Cucurbita maxima The nutritional content of kabocha squash: Kabocha squash is known ...

Q: Imagine a cross between AA and Aa individuals. What is the genotypic ratio among the offspring? O on...

A: Genotype is defined as the genetic constituent of an organism. There are two alleles present for a s...

Q: QUESTION 3 Testosterone can affect the cells that synthesize it in the testis, neighboring cells, an...

A: Testosterone:  Males' principal sex hormone and anabolic steroid is testosterone. In humans, testost...

Q: How do plants control the opening and the closing of stomata?

A: In this question we have to discuss about how plants control the opening and closing of stomata.  

Q: While multiple animal studies have found that food dyes are not associated with no genotoxic effect ...

A: Tartrazine, also referred to as FD&C yellow #5, is an artificial (synthetic) food dye. It is one...

Q: Why do plants need to exchange gases with the environment?

A: Introduction  In this question we will discuss about why plants need to exchange gases with environm...

Q: hy transcription initiation requires the assembly of transcription regulatory proteins on DNA sites ...

A: Transcription The process of converting a piece of DNA into RNA .  Messenger RNA is created when se...

Q: Brown fat metabolism generates about 10x more heat than white fat metabolism True False

A: Introduction: Brown fat is also called brown adipose tissue. It is found in many mammals. Brown fat ...

Q: Patricia is loudly playing very low notes on the tuba to annoy her brother. What part of her basilar...

A: Option D is correct i.e. Apex, high amplitude

Q: Using a diagrammatical presentation show how serial dilution was performed if the final volume in ea...

A: Serial dilution is very useful process for diluting the sample and it is also helps in the calculati...

Q: Many viruses that infect eukaryotic cells express genes that alterthe regulation of host gene expres...

A: Cluster of microRNA (miR)183 This miR family, which consists of miRs-183, -96, and -182, also is a ...

Q: what are the prevention,control and treatment of inflammatory diseases(Gout)?

A: Introduction: Gout is a metabolic disease in which crystals of uric acid gets deposited in joints, t...

Q: If the relative fitness of the A1A1 genotype is 0.6, A1A2 is 1.0 and A2A2 is 0.9, eventually the fre...

A: Introduction :- Fitness is an organism's ability to pass on its genes to the next generation.Relativ...

Q: Second Impact Syndrome (SIS) occurs when an individual suffers a concussion while still symptomatic ...

A: ANSWER) Second impact syndrome is described as the injury to the head which has occured for the seco...

Q: In which nations is grazing land being used sustainably? In which nations is forest land being used ...

A: The long-term availability of a raw material that is either renewable or nonrenewable is referred to...

Q: Small body size Based on the phylogeny above large body size evolved in these frogs [X] times (place...

A: Phylogenetic tree: A phylogenetic tree is a graphic that shows how creatures have evolved over time....