Q: When using a cladistic approach to systematics, which of the following is considered most important ...
A: Introduction: Systematics is an attempt to understand the evolutionary interrelationships of living ...
Q: Which organism is most likely to fossilize? OA tropical frog A forest dwelling lizard All animals ha...
A: Organisms should have a hard, bony skeleton for them to leave a fossil behind. Lizards and Jellyfish...
Q: Why can beta-lactamase destroy penicillin, but not methicillin?
A:
Q: What is the 1% extinction value of the protein used to calibrate this experiment? I obtained a grad...
A: Extinction coefficient It is defined as the absorbance divided by the concentration and the pathleng...
Q: Please help with these as they are part of 1 question and I am so confused. I really need help like ...
A: Carrying capacity is the maximal number of individuals of a specific species that a region's resourc...
Q: Mitosis: Events
A: During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form...
Q: What are the difference in the movement of microorganisms under wet mount from hanging drop techniqu...
A: There are some plus point for both the techniques like the wet Mount and hanging drop method preserv...
Q: Which stage of a cell's life is the longest? In other words, which stage does a cell spend the most ...
A: Cel cycle is the cycle consisting of series of event related to cell growth and division.
Q: Compare the morphology of Aglaophenia and Sertularia using a table of characteristics. Refer to the ...
A: Both are Animal sertularia is from Cnidaria phylum and Aglaophenia is also from Cnidaria .
Q: Describe nucleic acid hybridization.
A: A gene is the essential physical and functional unit of heredity. They are comprised of DNA (deoxyri...
Q: In humans, males are heterogametic and females are homogametic, Explain. Are there any examples wher...
A: In the case of humans, the female carries two copies of sex chromosomes (XX) and the male carries on...
Q: After being absorbed into small intestine, the nutrient-loaded blood will first flow into? A. Muscle...
A: The body anxiously seeks delivery after the digestive tract has split down food into its essential c...
Q: What is a mitochondrially-produced lipid species with a unique double-phospho-group and quadruple fa...
A: Phospholipids are a type of chemical molecule that has a hydrophilic head composed of a phosphate gr...
Q: 1- Competitive exclusion means that salamanders from these four samples must have lived in four diff...
A: Ecology is the study of the interactions between organisms and their surroundings, whereas environme...
Q: Each position of a codon can be occupied by one of fournucleotides. What is the minimum number of nu...
A: A codon is a group of bases that have the ability to code for a specific amino acid. Codons can be f...
Q: What is FISH?
A: In terms of biology, fish is a marine animal that comprises only gills, backbone, and fins.
Q: D. Picture A [Choose ] Picture B [Choose ] Picture C [Choose]
A: Mitosis is a cell cycle step in which duplicated chromosomes are separated into two new nuclei. When...
Q: Spermatogenesis usually occurs during the ___________ and continues in the _________ stage in some i...
A: * spermatogenis is the process of formation of sperm from germ cells in semniferous tubules of testi...
Q: High-salt food has been clearly linked to risks in heart attack. A. True B. False
A:
Q: In humans, males are heterogametic and females are homogametic, Explain. Are there any examples wher...
A: In case of human beings;Females are known as homogametic because In females the 23rd pair of chromos...
Q: Which of the following cell organelles are sites of protein synthesis? Ribosomes O Lysosomes O Mitoc...
A: Protein synthesis is primarily responsible for amino acid disposal. Amino acids are activated by att...
Q: The growing yeast mixture formed bubbles in the beaker where it was mixed. If left on the slide long...
A: Yeasts are microscopic unicellular fungi that are fermented to make bread, beer, and wine. Yeasts re...
Q: guesdon. You treat a suspension of Staphylococcus aureus with lysozyme enzyme dissolved n 25 mM Tris...
A: The above experiment shows the effect of lysozyme on Staphylococcus aureus and Pseudomonas aeruginos...
Q: Which statement about evolutionary trees is correct? Only trees with straight limbs show evolutionar...
A: Evolution is defined as the process of change in allelic frequencies in a population over successive...
Q: Sports beverages are a combination of fluid, carbohydrate, and? A. Diuretics B. Electrolytes C. Unsa...
A: Sports drinks, also known as isotonic beverages or fluid replacement beverages, are liquids that are...
Q: poodle (Canis lupus familiaris) and a gray wolves (Canis lupus) can interbreed to produce viable and...
A: * Canis lupus familiaris is the domestic dog belong to family canidae. *It is a subspecies of the C...
Q: Susie generally prepares the majority of meals for her family. Even though she always prepares meals...
A: All organisms grow and develop. From an unicellular embryo to the multicellular adult an organisms g...
Q: DENTIFY SUBCELLULAR STRUCTURES
A: A cell is defined as a cytoplasmic mass surrounded by a lipid bilayer known as the plasma membrane. ...
Q: В. Draw lines to match up the beginning and the end of the sentences relating to chromosomes, genes ...
A: DNA is the genetic material in living organisms that is made up of nucleotides. Nucleotides are the ...
Q: The chromosome number______ . a. refers to a particular chromosome in a cell b. is a characteristic ...
A: The precise number of chromosomes found in a given species is referred to as its chromosome range. ...
Q: create a cladogram and dichonomous key of how the plant Families Pinaceae, Poaceae, Sapindaceae, Cra...
A: Cladograms(phylogenetic trees) are graphical charts that depict the hypothetical correlations betwee...
Q: For each stage of the cell cycle and mitosis, identify whether there are 46 or 92 chromosomes in a t...
A: Mitosis is the cell division process in which one diploid (2n) mother cell divides and produce two d...
Q: Which of the following will likely result if the concentration of electrolytes outside the cell is h...
A: Osmosis is the movement of solvent molecules across semi permeable membrane along a concentration gr...
Q: Write a summary reaction for aerobic respiration that shows which reactant becomes oxidized and whic...
A: Energy is required for the survival of all living organisms. Food materials can provide energy. Oxid...
Q: Using TRUE or FALSE answers, are the following statements CONSISTENT with the data presented in Tabl...
A: For given question answers are given accordingly to the table in step 2
Q: Which of the following channels is responsible for generating the long plateau found in the action p...
A: Answer :- Option (B) is correct. - slow Ca2+ channels.
Q: Which of these is a factor that affects food choices? Sexual orientation Mood and state of mind Cost...
A: The simple meaning of the term "food choices" means to decide what to eat or the preferred choice. F...
Q: Explain why this happens. "e" under Scanner Actual position of "e"
A: The actual position of letter e under microscope stage is upside down and backwards It signifies th...
Q: Facilitated diffusion across a biological membrane of intestinal cells requires the presence of Trig...
A: The process of passive transport (no energy required) by which molecules or ions of living cell move...
Q: Draw a tree depicting our current understanding of land plant phylogeny. Include the four major grou...
A: ANSWER;- Draw a tree of a land plant;-
Q: . The keto acids of the TCA cycle are also the other substrates of the aminotransferase family. How...
A: KGDH is generally studied with regard to the production of an 8th and in the synthesis of ATP and th...
Q: You have studied the story of pepper moths in England. Had the industries been removed, what impact ...
A: The natural selection is the reason of evolution in the environment. Usually more fit organisms are ...
Q: What is the taxonomic significance of lenticels
A: A lenticel is a porous tissue made up of cells with a large intercellular space between them. These ...
Q: While working in your lab, you come across four unlabeled boxes that each contain several salamander...
A: 1) Competitive exculsion : Two or more species having same requirements of resources, feeding patter...
Q: For selection of recombinants, insertional inactivation of antibiotic marker has been superceded by ...
A: Selection of recombinants due to antibiotic inactivation is a time-consuming technique that necessit...
Q: In the figure, what does the node indicated by the red dot represent? Lampreys Cartilaginous fishes ...
A: Phylogenetic tree It is a diagram that represents the evolutionary descent of various species, organ...
Q: The Hawaiian Islands were "born" in the middle of the Pacific Ocean from volcanic eruptions. A genet...
A: When organisms colonize a new area or land, the organisms can diversify or increase their number ver...
Q: The evolution of flight feathers might have allowed ancestral dinosaurs to rapidly diversify into th...
A: What are flight feathers ? The flight feathers are the quills which help the avians to fly. These ar...
Q: The two electrolytes most important in enabling nerves to respond to stimuli are? A. Chloride and s...
A: Nerve impulses refers to an electrical or chemical signal that is transmitted along a nerve fibre. T...
Q: Mitosis; Sequence of Stages Number the names of the stages of mitosis from 1 to 5 to show the correc...
A: Mitosis It is the distribution of two sets of chromosomes into two separate nuclei. The process res...
Describe two cellular mechanisms that can prevent mutations
from occurring.
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