Blood being carried towards the heart is always oxygen-depleted. True False

Q: 65.what is the main function of the monosaccharide, glucose? glucose is an immediate energy source ...

A: Biological macromolecules are the substance that are needed in great amount and are metabolized to l...

Q: 9. An undergraduate ecology student doing research on niche dimensions decided to repeat part of R. ...

A: Introduction: Mean is the measure of central tendency most commonly used. Mean is equal to the sum o...

Q: There have been many cases of human infection with Salmonella caused by contact (or ingestion) with ...

A: Correct option is  3. Contamination by human or animal feces during growing, harvesting, washing, tr...

Q: Below is a portion of a bacterial chromosome that contains a gene. The promoter region and the +1 ba...

A: Transcription is the process of making RNA copy of gene sequence. This copy is called mRNA. Translat...

Q: Draw a replication bubble with both replication forks and label the origin of replication, the leadi...

A:

Q: How does the compound microscope achieve magnification? resolution? Cite your reference/s if possibl...

A: Answer

Q: White fruit color in summer squash is dependent on a dominant gene (W) and colored fruit to the rece...

A: Answer--

Q: Contrast prokaryotic and eukaryotic gene characteristics.

A: Cell morphology, physiology, and other aspects of cell biology are studied in cytology. With a few e...

Q: Menstruation

A:

Q: Identify the part in a flowering plant and write whether it is haploid (n) or diploid ( 2n ). Ovary

A: introduction We have to Identify the part in a flowering plant and write whether it is haploid (n) o...

Q: Importantance of cell and molecular biology

A: Answer 

Q: What is the difference between multiple alleles and pleiotropy? The combined trait for chevron and ...

A: Multiple alleles is a type of non mandelian inheritance which involves presence of more than 2 allel...

Q: If a species of fruit-eating bat eats the same species of fruit in the same patch of forest as a spe...

A: Answer  a. Neutralism 

Q: Which of the following was NOT a factor shaping the broad scale distribution of populations of a spe...

A: Historical factors helps in shaping the broad scale distribution of population of species.

Q: similarties and differences between first and last. similarties and differences between 3rd and 4th.

A: Differences between Blotiella pubescense and Callicarpa americana : Blotiella is commonly known as ...

Q: In 1993, Kary Mullis won the Nobel Prize in Chemistry for his invention of the PCR process. Describe...

A: Introduction  Almost all the molecular biology techniques revolve around DNA/RNA/Proteins. DNA is on...

Q: 2. Describe how hypoxic conditions can develop in ecosystems such as the Chesapeake Bay.

A: Introduction Hypoxia is defined as the condition with the low oxygen concentration. 

Q: QUESTION 18 An example of Directional Selection is: O 1. Choosing "ANTH 1200" as a the highest prior...

A: In population genetics, directional selection is a sort of negative natural selection in which an ex...

Q: Detail the key differences between lytic and nonlytic viral infection and provide an example of each...

A: Phages are viruses that infect bacterial cells.

Q: Why is it ecologically significant that animals are heterotrophic and multicellular?

A: Heterotrophic means to depend on others for its food.  This dependency on others for food is very mu...

Q: Albinism is a condition where individuals can't make melanin pigment. The affected gene encodes for ...

A: Albinism is a group of inherited disorders which can lead to no production of melanin pigment due to...

Q: How do we detect relatedness among species?

A: Evolutionary relationships are patterns to understand the descent of organisms.

Q: QUESTION 8 True or False: The outcome of Protein Synthesis is the assembly of proteins from Amino Ac...

A: Protein: it is the polymer of Amino acids. Amino acids arranged themselves into linear polymer to ma...

Q: Why CF is the best-researched technique

A: Cystic fibrosis is also known as CF is a common disease that is an inherited disorder that causes se...

Q: -wrist and ankle are type of Irregular bones O Long hollow bones O

A: Skeletal system consists of bones and cartilages. Bones and cartilages are specialized connective ti...

Q: A table comparing the biological characteristics of the five classes of immunoglobulins is shown bel...

A: Immunoglobulins are also called as antibodies which are made by white blood cell (WBC) 

Q: Constructing a Genetic Map with a Two-Point Testcross Gene loci in testcross Recombination frequency...

A: Test cross data analysis us to measure the frequency of gametes.

Q: .Hemophilia is a sex-linked recessive condition that results in deficient blood clotting. The diseas...

A: Hemophilia is a genetic bleeding disorder that happened by change or mutation in genes. In this diso...

Q: name the connective tissue layers that surround muscle fibers, muscle fasciculi, and whole muscles.

A: name the connective tissue layers that surround muscle fibers, muscle fasciculi, and whole muscles.

Q: FSH LH Negative feedback Estrogen from ovarles Progesterone from ovarles Figure 1. Negative Feedback...

A: Positive feedback control is this system where synthesis of a hormone increases if its amount in blo...

Q: What do the class average Jactase, and amylase in the

A: Answer :  Average results shows that sucrase and amylase are present in the yeast cell but lactase i...

Q: Epithelium–Mesenchyme transitions (MET or EMT) are crucial morphogenetic events occurring during gas...

A: An epithelial-mesenchymal transition (EMT) is a biological process in which a polarised epithelial c...

Q: 13.Which among the following statements is INCORRECT? A. All statements are correct B.Only one of th...

A: During meiosis, there is separation of homologous chromosomes in anaphase I and separation of sister...

Q: Identify the part in a flowering plant and write whether it is haploid (n) or diploid (2n ). Ovary

A: (a) Ovary - It is the female part of the plant which has ovules. It is a diploid (2n) structure. (b)...

Q: What conclusion could you reach about the parents if the offspring had phenotypes in the following p...

A: Phenotypic Ratio: The correlation between the amount of offspring that will obtain certain traits or...

Q: what would be the polar bears instantaneous rate of increase (dN/dt) if the Polar bears are reproduc...

A: Here, N represent Population density at any time t. And K represent carrying capacity of the habitat...

Q: d. GGHhli- e. NnOoPPQg- VvWwXxYvZ- f.

A: Genotype is a an individual collection of genes. Phenotype is the physical appearance of an organism...

Q: How did developments in botany in the seventeenth and eighteenth centuries contribute to the rise of...

A: Modern genetics focuses on the chemical substance that genes are comprised of, called  DNA, and the ...

Q: a) What is the unique feature of the leeches? b) What is the function of the organ that you have nam...

A: Introduction :  Leeches are specialized annelids without parapodia and setae but with sucker.  It ha...

Q: Give 2 cases where phylogeny was used either for scientific advancement or to solve problems in soci...

A: Biology is the most wide branch of science, in this branch scientific study of life take place. Biol...

Q: Fill in the cells below showing the process of meiosis of the male's sex chromosomes with non- disju...

A: During meiosis, the chromosome number of the daughter cells becomes half of the parent cell. Hence e...

Q: A child has blood group O. If the father has blood group A and mother blood group B,work out the gen...

A: In humans, the blood group feature is controlled by three sets of alleles, which are Ia,  and IB are...

Q: Give all of the possible organisms (that we’ve studies) and why those organisms are possibilities fo...

A: In the case mentioned above, the patient complaints of a sore throat, fever, headache, and swollen g...

Q: Can you explain genetic map with two point cross? And show me a example with the cross

A: Genetic map use to create by using information obtain through series of test cross. A cross between ...

Q: Why is classification necessary in the study of biology?

A: There are lot of species of a particular organism . But practically,  it is not feasible to learn an...

Q: Below is a portion of a bacterial chromosome that contains a gene. The promoter region and the +1 ba...

A: Nucleic acid is a macromolecule that is exhibited inside the nucleus . It consists of DNA and RNA .D...

Q: Why is it important to study the menstrual cycle? 2. Menstruation is a normal process in the life of...

A: Menstruation A woman's menstrual cycle or bleeding is completely normal. It happens every month that...

Q: What is the role of Msx gene family in the development of the Neural crest and neural connectivity?

A: Msx proteins play a key role in craniofacial, limb, and nervous system development. In vitro and in ...

Q: Explain the role of adhesion molecules such as selectins and integrins during the stages

A: Adhesion molecules These are cell-surface proteins that facilitate cell-to-cell or cell-to-extracell...

Q: Which of the following type of membrane protein would not be considered an integral membrane protein...

A: Plasma membrane is the membrane found in all cells that separates the cell from outside environment....