Q: Based on their anatomical and behavioral differences, biologists previously placed humans and chimpa...
A: The method of determining the nucleic acid sequence - the order of nucleotides in DNA – is known as ...
Q: Why are chemical stains required for visualizing cells and tissues with the basic light microscope?
A: Cell staining is a technique that is used to better visualize cells and cell components under a micr...
Q: How could you equalize the water level on each side of the tube by adding solute? Pure water Postive...
A: We can equalise the water level of the tube by adding solute to the left side of the tube so that wa...
Q: After _____ are absorbed by intestine cells, they go into lymph vessels rather than blood. A. minera...
A: ANSWER :LIPIDS
Q: Fertilization does not take place in a moment of passion. It occurs four to five days later. Maybe i...
A: To understand the above situation of fertilization please read the below process to have a better un...
Q: Which bases can exist in either keto or enol form
A: Tautomers are molecular isomers found in fluid or in cells. Chemical bonds are changed numerous time...
Q: Which of the following is a problem with using the Biological Species Concept? A. it doesn't apply ...
A: Introduction A species taxon, according to the Biological Species Concept, is a group of creatures t...
Q: Describe how modern organisms can be used to determine evolutionary relationships.
A: Evolutionary relationships between organisms can be inferred using modern organisms that are alive t...
Q: Organizations that aim to protect the rights of animals have been battling leisure breeders to stop ...
A: Animal breeding is basically a type of animal science which help in development of superior animal l...
Q: list the complete parts and functions a compound light microscope with two oculars.
A: Light microscope with two ocular or eyepieces is called binocular light microscope.
Q: Human Testis 1. pointed spermatogenic cell? 2. cell origin of #1? 3. cell derivative of #1? 4. cell ...
A: INTRODUCTION Primary spermatocyte They are large diploid cells into which a spermatogonium develops....
Q: Which of the following is the greatest threat to the world's Grasslands? A. Overharvesting B. Agri...
A: Answer : the greatest threat to the world's grasslands is : b) agriculture
Q: 1. Explain the pattern of inheritance and write in the genotypes of the numbered individuals. (a) (b...
A: The autosomal dominant or X-linked dominant disease is called single gene disorder as the disease re...
Q: How does a neuron know which cell to form a synapse with?
A: The neuron is a cell present in the nervous system that is accountable for receiving and transmittin...
Q: Your advisor, a brilliant bioinformatician, has high regard for your intellect and industry. she sug...
A: Introduction A genome is consists of transcriptionally active genes. These genes form mRNA as they ...
Q: What was the hypothesized relationship between Photosynthetic Rate and Irradiance?
A: Photosynthesis can be explained as a physiochemical process;in which the sunlight is used by the pho...
Q: Transcribe the following DNA template into its mRNA sequence. COMPLEMENTARY DNA Messenger RNA(mRNA) ...
A: Nucleic acids are polynucleotides that are of two types i.e. DNA and RNA. A nucleotide is composed o...
Q: A melting profile in figure below shows the increase in UV absorption versus temperature for two DNA...
A: The DNA is a double-stranded material where two single strands of DNA run antiparallel to make a dou...
Q: What is antiterminator hairpin ?
A: It is a secondary structure of RNA. It determines interaction in ribozyme and can help in RNA foldin...
Q: 1.: Male side-blotched lizards display throat color polymorphisms; some males have orange throats, s...
A: There are three allele in the population which are o,y and b. According to Hardy Weinberg equilibri...
Q: Give an example of application of recombinant DNA in the following fields: crop production, medicine...
A: Answer - Recombinant DNA (r DNA) is a technique by which we cut and paste DNA sequence of interest u...
Q: Celiac disease is a disorder triggered in susceptible individuals by exposure to gluten. Gluten is ...
A: Celiac disease is a digestive and autoimmune disorder that can damage your small intestine. People w...
Q: How are tRNAs linked to their corresponding amino acids?
A: * The tRNAs are linked to their corresponding amino acids by enzymes are called as amino-acyl tRNA s...
Q: Define about catabolite-activating protein (CAP) ?
A: Certain terms are fundamental concepts and terms used in biology, which is the study of life and liv...
Q: . a. A mouse cross A/a ⋅ B/b × a/a ⋅ b/b is made, and inthe progeny there are25% A/a ⋅ B/b, 25% a/a ...
A: Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half...
Q: What is the 5′ cap? How is the 5′ cap added to eukaryotic pre-mRNA? What is the function of the 5′ c...
A: RNA processing is the term by and large used to portray the sequence of occasions through which the ...
Q: Multiple choice 1.) An Action potential A. is essential for nerve impulse propagation B. involves th...
A: 1.) An Action potential Answer: A. is essential for nerve impulse propagation. Explanation- The tran...
Q: Compare methods that biologists use to study cells and point outthe ways in which many of these appr...
A: A cell is the smallest unit of a living thing. An organism is a living creature that is made up of o...
Q: Seeds are mature_____ ; fruits are mature_____ . a. ovaries; ovules c. ovules; ovaries b. ovules; st...
A: The embryonic stage of a plant's life is represented by the seed. The embryo (immature seed), endosp...
Q: Sgo1 establishes the centromeric cohesion protection during meiosis metaphase I* True O False
A: Cell division is the process by which a single cell divides and produce multiple cells that helps in...
Q: Define the Comparison of Gene Activity ( +or -) in the Presence or Absence of Lactose for Various E....
A: The expression of the lac operon is regulated by operator sequence and repressor protein.
Q: Which of the following would you expect to find passing through a nuclear pore? (a) ribosome subunit...
A: A nuclear pore is a component of the nuclear pore complex, a massive protein complex that spans the ...
Q: You have been asked to determine the bacterial count in a sample of water. The number of CFU from 1 ...
A: The CFU count is the number of viable cells per ml of the sample. The CFU count is done on the basis...
Q: Curly hair is recessive (c) and straight hair is dominant (C). A man with curly hair marries a woman...
A: Introduction Homozygous means that you inherit the same version of the gene from both parents, resul...
Q: Can you explain why people “cursed” by shamans or “witch doctors” sometimes actually die?
A: ANSWER: Shamanism is a religious practice that involves a practitioner (shaman) interacting with wha...
Q: Discuss the process by which amoeba engulf food. 2. What is the use of contractile vacuole among amo...
A: Amoeba engulf their food by expanding the pseudopods. These expanded pseudopods engulf food or part...
Q: In Drosophila, the sepia mutation (se, chromosome 3, position 26) results in dark brown eyes, while ...
A: Introduction :- D. melanogaster is an ideal model organism due to a variety of characteristics. The ...
Q: Why it is essential to the positive stimulation of transcription of the lac operon ?
A: Lac operon includes the genes that code for the enzymes involved in lactose catabolism.
Q: Retrograde amnesia results when consolidation is speeded up. T or F?
A: The term amnesia is associated with the memory loss. The memory loss can occur partially or complete...
Q: 2 3.
A: Introduction:-Both cortical and cancellous bone tissue make up long bones. They are divided into num...
Q: Different stains have different affinities for different organisms or different parts of organisms. ...
A: Hematoxylin is used to stain nucleus while Eosin used to stain cytoplasm.
Q: A number of techniques can separate proteins on the basis of their differences in mass. Describe the...
A: Most proteins move electrophoretically in alkaline running buffers because they contain a net negati...
Q: In the trp operon, what happens to the trp repressor in the absence of tryptophan?a. It binds to the...
A: An operon is a DNA unit that contains a cluster of genes controlled by a single promoter. The genes ...
Q: Propose some possible reasons why mutations in the RPSA gene affect only the spleen and not other ti...
A: Spleen is a small part present in the gastro intestinal tract of an individual. Spleen has some func...
Q: How are symplast apoplast and the casparian strip interconnected with each other?
A: The pericycle, a cell layer just inside the endodermis, is where the secondary root is formed. The C...
Q: The study of how habitat-type distribution across a landscape is known as:
A: Habitat is famous term in ecology it is the place where an organism make its home. A respective habi...
Q: Describe metabolic pathways
A: Metabolism is the process by which our body makes energy from the food which our body is consumes. T...
Q: True or False The sugar-phosphate backbone is located on the outside of the molecule with the 2 sets...
A: The nucleotide polymer that are responsible for determining and regulating genetic characteristics o...
Q: 2. a) In the diagram of DNA below (Figure 4), a DNA strandis unwinding and new strands of DNA are fo...
A: The unwinding of DNA helix takes place with the help of enzyme DNA helicase. Addition of nucleotides...
Q: Male side-blotched lizards display throat color polymorphisms; some males have orange throats, some ...
A: Hardy Weinberg law states, when population is in equilibrium, genotypic frequencies are in proportio...
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