Which factor most directly limits the variety of herbivores living in an area? a) amount of nitrogen in the atmosphere b) number of decomposers present c) types of plants present d) kinds of minerals in the water

Q: 4. Cross a yellow parakeet (bbYy) with a white parakeet. What is the genotype of and phenotype of th...

A: * Given that yellow parakeet has genotype bbYy . * So the white parakeet genotype will be BBYy. *The...

Q: Researchers were working to determine the evolutionary history of modern horses using fossils of fou...

A: Introduction: Fossils are the traces of ancient life that have been preserved by natural processes, ...

Q: Why is it important to determine the blood types of the donor and the recipient in transfusions?

A:      INTRODUCTION        The Blood group system is mainly important in humans . Blood types are main...

Q: Adult chimpanzees actively teach and guide offspring in learning tool use behaviors.  True or False

A: The answer is True .

Q: Monkeys and apes are odd when compared to other mammals because they lack the ability to produce vit...

A: L-ascorbic acid or Vitamin C , is a water-solvent nutrient that is normally present in certain food ...

Q: biomolecules

A: A biomolecule ,molecules present in organisms that are essential to one or more typically biological...

Q: In corn, kernel color is governed by a dominant allele for white color (W) and by a recessive allele...

A: Hardy Weinberg principle is used to determine the frequency of alleles in a given population. The fo...

Q: When does spontaneous mutation occur? A. a DNA base is an unstable tautomeric form as the replicatio...

A: Induced mutation occur after treatment of organism with mutagen. Spontaneous mutation occur as a res...

Q: In the fungus Neurospora, some mutants were obtainedthat lacked activity for a certain enzyme. The m...

A: Neurospora It belongs to the Ascomycete fungus family. The genus name, "nerve spore," refers to the...

Q: I need help with 8-9

A: Male has XY chromosomes & females have XX chromosomes. While fertilization, zygote gets one chro...

Q: 3. How could you find the relative age of a sedimentary rock? 4. How might pieces of an igneous rock...

A: Sedimentary rocks are formed over years and it appears in layers. The bottom most akter is the oldes...

Q: Explain the similarities and differences in the cellular structure of Gram-positive and Gram-negativ...

A: Introduction:- Bacteria are a broad category of microscopic, unicellular organisms categorised as pr...

Q: Volcanic ash can be used to date fossil finds because each time it is expelled by an eruption it has...

A: The answer is True

Q: The more dangerous type of translocation?

A: Translocation is the process of rearrangement of chromosomes in a out of phase and irregular manner ...

Q: How do plants and animals exchange gasses?

A: Respiration is a natural process that happens in all living things. As a result, it's a process of t...

Q: Women with total androgen insensitivity have less acne and body hair than most women; this is becaus...

A: Introduction: Androgens are the hormones which is responsible for development of secondary sexual ch...

Q: Identify the parts of the cortex that process the different senses and those that control movement o...

A: The nervous framework is the major controlling, administrative, and conveying framework in the body....

Q: If a women has 5 children, all of which are girl…what is the probability that the 6th child will als...

A: The sex of the off-spring depends on the male gamete that fuses with the female gamete. As males con...

Q: The siRNA and miRNA pathways share many similarities and also have some differences. Which of the fo...

A: The gene regulation by using small single standard RNA is mediated by the functioning of siRNA and m...

Q: Compare and contrast a chromosome and chromatin

A: A cell is a cytoplasmic mass that is outwardly linked by a cell membrane. They are usually tiny in s...

Q: Which of the following explains what will most likely happen to A. fulica? Why?

A: E. rosea quickly becomes the top predator, instead of A. fulica. The number of A. fulica decreases.

Q: How is blood typing for the ABO system and the Rh usually done?

A: In this question we will discuss about how is  blood typing for the ABO system and the Rh usually do...

Q: In pygmy grasshoppers individuals are highly variable in coloration.  They live on gravel at the edg...

A: One of the key mechanisms driving evolution is what's known as natural selection. This is the proces...

Q: Aristapedia is alethal allele that is also dominant. Individuals with this trait must be heterozygou...

A: Answer :: Introduction:- Production to produce interest. There are two main types: sexual reproducti...

Q: Make a diagram showing the application of recombinant dna in the field of agriculture, medicine and ...

A: Recombination DNA technology has done Marvels in every field it uses vectors to transfer genetic com...

Q: MODELLING HUMAN MITOISIS ACTIVITY In SOMATIC CELLS INTERPHASE (G,> s G,) Cell membrane • Nuclear mem...

A: During interphase, the cell grows and the nuclear DNA is duplicated

Q: Griffith discovered a “transforming factor” in bacteria that conveyed infectiousness in 1928. In 194...

A: Introduction: DNA stands for 'deoxyribonucleic acid' and it is the hereditary material in humans and...

Q: What are the findings on immunology? and What is helpful about immunology, the branch of medicine fo...

A: Immunology is the study of the immune system in all of its facets, including its structure and funct...

Q: At what phase of development would a mouse embryo appear me similar to a chick embryo? Blastula stag...

A: THE STAGE OF DEVELOPMENTIS BLASTULA STAGE.

Q: Identify two things that could limit the population of rabbits in a forest.

A: its populations have declined due to several factors including habitat transformation and viral dise...

Q: Phenotype is the allele combinations of an individual that cause traits or diseases. Genotype is the...

A: Introduction: Genetics is the branch of biological sciences which deals with the study of genes, gen...

Q: 1. Using the food label shown, how many calories are in 1 s serving ? ( #fat g x 9cal/g) + ( #carb g...

A: The nutrient label shows you a few key supplements that help your wellbeing. You can utilize the lab...

Q: A river reached a flood that was passing through it. At a given instant, the storage of water in the...

A: A branch of earth science that is related to the water in streams and lakes, rainfall and snowfall, ...

Q: 2. Describe how pigments work as it relates to photosynthesis. Make sure you note what part of the p...

A: Photosynthesis is the process of carbon fixation in plants. This uses sunlight as the source of ener...

Q: The next four questions refer to a case study of an influenza infection in an example individual.  T...

A: Influenza is the infection caused by virus. The major symptoms of influenza are - fatigue, muscle ac...

Q: Describe the phases of mitosis

A: There are four phases in the mitotic cell division. They are - prophase, metaphase, anaphase and tel...

Q: Honey possums lick nectar from flowers using a long tongue made of soft muscle. Butterflies lick nec...

A: Like nectar-eating birds honey possums  have bristles on their tongue tip,which used to gather necta...

Q: Explain why loss-of-function hedgehog and smoothened mutations yield the same phenotype in flies, bu...

A: The Hedgehog signalling pathway is responsible for transferring information to embryonic cells. Thes...

Q: What evidence supports the view that ribosomal RNAsare a more important component of the ribosome th...

A: The evidence is given as: The indication of the importance of rRNAs was to enhance the discovery of...

Q: Write if the statement is true and change the underlined word if false. The Miller-Urey experiment ...

A: Introduction 1. The Miller-Urey experiment:- The Miller–Urey experiment was a chemical experiment th...

Q: 1. In human brown eyes are dominant over blue eyes. What type of offspring would you I expect if you...

A: Phenotype It is the external and morphological appearance of an organism for a particular character....

Q: Deduce what the six wild-type codons may have been inthe mutants that led Brenner to infer the natur...

A: Codons – AGA, UAA, and UAG are three-letter sequences of mRNA nucleotides that correspond to specifi...

Q: identify the organisms in  an unknown culture. You find that the culture contains two gramnegative ...

A: A culture is a medium to grow bacteria and other microorganisms  It provides the bacteria with nutri...

Q: Discuss the flaws that should be identified and addressed throughout the cell morphology method's ch...

A: Cell morphology describes size, shape and structure of particular cell.

Q: If you were asked to choose one of the following invertebrate as a pet (protozoa, sponges, and placo...

A: Protozoans *protozoans are single celled eukaryotes that lives free living or parasitic means that t...

Q: 6. Variations of the plaque assay can be used to determine the number of animal viruses from a sampl...

A: There are few points about Plaque assay : When treated with the lawn of susceptible cells , a bacte...

Q: Which of P. aeruginosa or B. subtilis do you think will be able to survive boiling for the longest t...

A: Spore is the outside coat of bacteria which can protect the bacteria in unfevourable conditions like...

Q: Nitrate plays a role in both catabolic and anabolic reactions in microbes. Present one example of ea...

A: Catabolic reactions are those reactions in which there is breaking down of substance  Anabolic react...

Q: What are all of the checkpoints found in interphase and mitosis and what are their functions/purpose

A: Eukaryotic cells follows a cyclical events during cell division that is known as cell cycle that con...

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.