A Valve

Q: What is the differences between simple and facilitated diffusion?

A: Answer: DIFFUSION = It is the movement of particles or molecules in the concentration gradient; that...

Q: Codominance: draw a Punnett Square for a AA mom with a AB dad.    i.    If you have type AB blood ty...

A: Dominance = when one allele masks the effect of other allele completely, it's called as dominant eff...

Q: Skin is thickest on the ___________ and thinnest on the _________. a. chest; cheeks b. buttocks; nos...

A: Skin is thickest on the palms and soles of the feet , while the thinnest skin is found on the eyelid...

Q: We considered the effects of many parameters in designing bioreactors. Please answer the following q...

A: Airlift Fermentors or bioreactors are the fermentors that include tower reactors for large-scale aer...

Q: Give five (5) Genetically Modified Organism and Identify its Disadvantages and Disadvantages.

A: Genetically modified organisms or GMOs are organisms whose genetic material is altered either by the...

Q: Now that you’ve isolated the gene and made lots of copies, you need to insert the gene into somethin...

A: Plasmids are used in genetic engineering to increase the number of copies of a gene. A plasmid is a ...

Q: 16. If one has ever had a cup of coffee or sipped a beer, one has taken a(n) drug. A. psychoactive B...

A: Drugs are chemical substances that cause changes in the physiology or psychology of an individual wh...

Q: Which of the following is TRUE of the relationship between sickle cell anemia and malaria? Choose al...

A: Sickle Cell Anemia - It is an inherited or genetic disease, in which the body no longer have enough ...

Q: The photo below is a mature ovulate cone at 4x (I.s.) Make a sketch of the slide and label the follo...

A: Megasporophyte is a diploid cell which produce megaspore through meiosis. This is located around the...

Q: An ear of corn can have kernels that are either purple or yellow in color. Each corn kernel is an in...

A: Genetics is a branch of biology that deals with the study of genes, variation and heredity.  A gene ...

Q: How plants response to external stimuli? (Explain at least 3-5 sentence)

A: Plants, unlike animals cannot exhibit as quick responses as the animals in order to exhibit movement...

Q: Neurons have three main components. Describe the function of each one a. Dendrites b. Cell body c. A...

A: Nervous system is the complex system in our body which controls the entire body and coordinates the ...

Q: What type of spider is this

A: Most of species are belong to the taxonomic group of the spider. On th above a yellowish  Colour spi...

Q: You have the following DNA coding sequence of a wild-type allele: 5’-ATG TTC CAG CTA GAT GAT ATG CTG...

A: Hi! We have answered the first two questions for you. The third question seems to have some missing ...

Q: Explain the image and what’s going on.

A: The nervous system is the portion of an animal's body that controls and transmits signals between va...

Q: Pick all of the following parts to a urinalysis. Color and clarity of the urine O Microscopic examin...

A: Urinalysis  Urinalysis is a test for urine. It is done to detect various types of disorders like dia...

Q: Why are chromosomal aberrations considered to have less significance than gene mutations for subsequ...

A: Chromosomal aberration refers to the alterations in a number of chromosomes such as loss or gain of ...

Q: 22. focus on the organization of perception and thinking in a "whole" sense rather than on the indiv...

A: Science is a term which is used for the study of the subject which is based on the facts and underst...

Q: What is the difference between a rhizoid and a rhizome?

A: Plants are majorly divided into 2 types they are vascular plants and on vascular plants. Non vascula...

Q: Carbon dioxide in the atmosphere traps heat. Scientists are concerned that too much carbon dioxide i...

A: Anthropogenic activities commonly called human activitites contribute greatly in increase in the con...

Q: In the initial stages of training which aspects of musculoskeletal fitness leads to the initial gain...

A: Ans: The 6-8 weeks are consider as the initial stages of the training. The reasons for gain in stren...

Q: A botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy a...

A:   Angiosperms are flowering plants/phanerogams which have fruits containing seeds. Ovary transforms ...

Q: During pregnancy, FSH and LH levels should be: OHigh-progesterone stimulates the release of FSH ad L...

A: LH and FSH are known as gonadotropins.

Q: What is a Epididymis

A: The explanation is given below.

Q: What is being done to increase the availability of microscopes in very poor countries?

A: Microscopes are the instruments which are used to examine the objects that are not visible by the ey...

Q: Explain this biological context "everything goes somewhere".

A: There are four laws of ecology that are everything is connected, everything goes somewhere, nature k...

Q: At night, which type(s) of photopigment enable(s) you to discriminate the colors of neon signs and t...

A: Eye is an organ which helps us to provide vision it has several photoreceptors which receives light ...

Q: 21. Cindy loves roast beef with rich brown gravy, often described as a "delicious" dish. She prefers...

A: Taste is analysed by gustatory area of tongue. There are five basic taste - salty, sour, sweet, bitt...

Q: The rhizome of ferns like the one shown in the previous question, have a dictyostele vascular cylind...

A: In a vascular plant, the stele is basically the central part of the root or stem that has the tissue...

Q: Based on the text, what type of endosperm of apple, mango, and orange have?

A: The endosperm is the tissue surrounding the embryo in the angiospermic seeds. It functions to nouris...

Q: Explain why you can NOT typically have a Male Calico cat

A: The X chromosome inactivation occurs in the female individual in cat species to compensate the gene ...

Q: You have the following DNA coding sequence of a wild-type allele: 5’-ATG TTC CAG CTA GAT GAT ATG CTG...

A: As per the guidelines we are supposed to answer only the first question In case of multiple question...

Q: How plants reproduce and develop? What parts of the plant help in its development? (Explain at least...

A: Reproduce  means to produce offspring by a sexual or asexual process. 

Q: To assess Mendel’s law of segregation using tomatoes, a true-breeding tall variety (SS) is crossed w...

A: The explanation is given below.

Q: If you had seeds that are round, and you know this is a dominant trait, how can you determine if the...

A: To determine whether the individual is homozygous dominant or heterozygous dominant, we can perform ...

Q: Directions: Define the following terms below. Write the description below.    Motor mechanisms:

A: Our neuromuscular system has a great role in our control and coordination of many bodily activities....

Q: make a punnet square  Color blindness is an X-linked trait caused by a recessive allele.  A carrier ...

A: A punnet square can be defined as the visual tool or visual aid which is used by the biologists for ...

Q: What direction did your hand move when you inhaled?

A: Breathing --- Process occurs in all living organism with well developed respiratory organs which hel...

Q: Lichens are a symbiont of fungi and algae. What type of symbiosis is seen in a lichen? O A. Commensi...

A: Lichens are defined as the complex form of life that form via the symbiotic relationship of fungi an...

Q: Write shorts notes on how coelenterates defend themselves when swimmers ventures into their habitat

A: Coelenterates have tissue grade body and they are made up of few cells which alert them when the dan...

Q: Please talk about 3 types of white blood cells and what their functions are

A: Answer: WHITE BLOOD CELLS = These are the blood cells present in an individual which acts against th...

Q: sleeping? A. Drinking warm milk B. Taking non-prescription sleeping pills C. Exercising during the d...

A: 14.  a. Drinking warm milk: Milk contains an amino acid known as tryptophan that is melatonin in the...

Q: How the absorption of glucose changes as the food passes along the ileum?

A: Digestion is the chemical breakdown of the food into molecules that can be absorbed by the body. Abs...

Q: Below is a photo of the rhizome of a fern (Pteridophyta) cross section at 40x. Make a sketch of the ...

A: The parts are labelled below.

Q: Write short notes on how honey-bees recruit others to point of attack.

A:   Ans-Honeybees usually only attack to defend their colony, but they will attack if they are disturb...

Q: What is a Calico Cat? and How does one of these cats look and What has happened to their X chromosom...

A: Calico cats are domestic cats.

Q: Why do gene mutations not result in chromosomal mutations?

A: Genes are the units (physical and functional) of heredity, made up of DNA or deoxyribonucleic. They ...

Q: Calculate the colony forming units (CFU) if 100  colonies grow in agar using  a 0.01-mL calibrated l...

A:   One colony equals to 100 col/mL in  0.01 -mL calibrated loop.    

Wound infections

A wound is damaged or breaks in the surface of the skin. The wound is divided into two types, they are acute wound that includes minor cuts, laceration, bites, etc, and chronic wounds that can become slow to heal including ulcers on the legs and feet. Redness, pain, and swelling are signs of a wound.