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: Why are short bones well suited to an area like the wrist? Why are long bones more suited to areas l...
A: Bones provide structural support to the human body.
Q: In Drosophila, the dominant Bar mutation (B, chromosome X, position 57) results in thin bar- shaped ...
A: Bar mutation allele = XB (dominant) Wild allele for bar= Xb (recessive) Signed allele = Xsn (recessi...
Q: Why might the longevity of an ISC be left to chance?
A: There are a number of factors that affect longevity and these are: Gender Genetics Crime rates. Hyg...
Q: Xias father has type B blood (lBi) while her mother has type A (lAi) blood. What are the possible bl...
A: Blood type (or blood group) is a genetic trait linked to the presence or absence of particular molec...
Q: Which of the following is FALSE? A. Bile is a fat molecule-busting enzyme B. Vitamins are organic co...
A: The digestive system is responsible for digestion and absorption of nutrients from the consumed food...
Q: A fruit fly (Drosophila spp.) has 4 homologous chromosome pairs. What is its diploid number? 16 8 O4...
A: Genetics is the branch of biology that deals with the study of genes, their variation, and heredity ...
Q: Select ALL statements about digestive systems that are true: A. carnivores have longer digestive tra...
A:
Q: What is known as catabolite repression ?
A: Certain terms are fundamental concepts and terms used in biology, which is the study of life and liv...
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: Traditional gender role socialization encourages ______________________behavior in males. a. instrum...
A: Society expects different attitudes and behaviors from boys and girls. Gender socialization is the t...
Q: What is a constitutive gene?
A: The morphological and physiological unit of heredity is the gene. DNA is used to make genes. Some ge...
Q: What is the characteristic function of nervous tissue?
A: Introduction :- The nerve tissue,is the major component of our nervous system. It keeps track of and...
Q: What groups within a phylum from invertebrates should be elevated into their own phylum? Explain.
A: Vertebrate and invertebrate are clearly divided are separated by presence and absence of vertebral c...
Q: One of the major questions of regeneration is whether the cells keep a “memory” of what they had bee...
A: Muscles are specialised bodily parts that allow animals to move or locomote. Muscle tissues make up ...
Q: Define the types of regulation fine-tune levels of gene expression in bacteria. ?
A: Gene regulation refers to the way in which a cell uses its DNA to express proteins and can be split ...
Q: Auxotrophic mutation 103 grows on minimal medium supplemented with A, B, or C; mutation 106 grows on...
A: Auxotrophic organisms are mutant organisms, particularly mutant microorganisms. They have lost the a...
Q: Where does the pancreas dump digestive enzymes and buffers into the GI tract? A. it does not dump su...
A:
Q: What advantages do confocal and deconvolution microscopy provide in comparison to conventional fluor...
A: Confocal microscopy uses light from laser, elimination of background information away from the focal...
Q: Describe the experimental evidence that demonstrates that living organisms come from other living or...
A: Cells, the most fundamental unit of life, are found in all living things. All of life's vital activi...
Q: Circulating thyroxine (T4) and triiodothyronine (T3) in the bloodstream are structurally comprised o...
A: The thyroid gland is an endocrine gland. It makes three hormones that are secreted into the blood: t...
Q: 13 Black coat color (B) in cocker spaniels is dominant to white coat color (b). Solid coat pattern (...
A: So according to the law of assortment from Mendel's in dihybrid cross . This law states that assortm...
Q: An X-linked dominant allele contro eceptor mutation that is responsi aldness (MPB). A father who sho...
A: X related qualities are traits that are found on the X chromosome. There are Gerenally well known to...
Q: A mutation prevents the catabolite activator protein (CAP) from binding to the promoter in the lac o...
A: Introduction All the gene expressions are under high regulation and this is necessary to avoid over...
Q: Which would be worse for an organism? Briefly explain your answer. B. The spliceosome can no longer ...
A: Cell is the basic and fundamental unit of life. Survibility of life depend upon individual cells whi...
Q: 2) Cross a pea plant that is heterozygous for purple flowers and homozygous dominant for yellow seed...
A: Heterozygous purple flower: Pp Homozygous dominant yellow seeds: YY Homozygous recessive green seeds...
Q: Which of the following linkages/bonds is NOT found in the primary structure of DNA and RNA molecules...
A: Phosphoanhydride bonds are found in ATP molecules as it contains three phosphate group attached to t...
Q: How will the offspring be affected if one of the gametes or one of the parents carries an impaired n...
A: Any syndrome marked by deformities or malfunctions in any of the body's systems and caused by an abe...
Q: What is the difference between a cell strain, a cell line, and a clone?
A: All living organisms are made up of highly organized structures known as cells and the cells are des...
Q: developmental biology
A: Developmental biology is the field of biology that studies the processes by which multicellular org...
Q: To carry out its life functions, every plant cell requires (a) chloroplasts and ribosomes (b) mitoch...
A: A plant cell is a eukaryotic cell that contains a genuine core (nucleus) and certain organelles to f...
Q: What is adenyl cyclase ?
A: Enzymes are present in living organism, which is composed of either one cell or a number of cell. In...
Q: The following statements best describes the RNA structure EXCEPT some eukaryotic RNAS stay in the nu...
A: Answer : Option (C) is right. - protein synthesis cannot explain the structure of RNA.
Q: e recessive allele
A: Microevolution on a small scale, is defined as a change in the frequency of gene variants, alleles, ...
Q: How are the specific cell types patterned correctly? How does the flatwormtell the posterior blastem...
A: Planaria are flatworms that reproduce asexually through fragmentation (not binary fission, which is ...
Q: Explain how the ANS coordinates the activities of different organs.
A: ANS is autonomic nervous system part of a peripheral nervous system.
Q: How do you think human body sustains life
A: For metabolic functioning, all life forms require certain essential chemical components. The element...
Q: Compare the roles of the glycocalyx, extracellular matrix, and cell wall.
A: All living organisms are made up of cells, which are basic membrane-bound units that contain the bas...
Q: Which of the following would NOT be considered a biological hot-spot? Group of answer choices A. Ca...
A: Biological hotspot is defined as a geographic area which has high level of biodiversity and is highl...
Q: In Figure 4-8, some meiotic products are labeledparental. Which parent is being referred to in thist...
A: The final product of meiosis comes when there is splitting in the cytokinesis. The products that are...
Q: 1. Briefly describe what biofuels are and the benefit of algae as a source of biodiesel.
A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a ti...
Q: The difference between arteries in your body and the pulmonary artery is the following: O The pulmon...
A: Introduction Arteries and veins (also known as blood vessels) are muscular tubes through which blood...
Q: How is it that only a few transcription factors can initiate cell type specific gene expression?
A: Transcription is the process of copying (transcription) a gene's DNA sequence into an RNA molecule. ...
Q: All but one species of large birds native to New Zealand’s tropical forests are now extinct. Numbers...
A: The term evolution is associated with a natural process that plays an important role in allowing the...
Q: Domesticated banana plants produce seedless fruit because they are______ . a. triploid d. propagated...
A:
Q: The long solenoid structure of the chromatin material binds to a protein scaffold through the SARS o...
A: The solenoid model of DNA is the packaging of DNA in case of eukaryotes. Short region of DNA doubl...
Q: Describe shunting inhibition. What is the cellular mechanism, and how does it cause inhibitory effec...
A: Shunting is a neuronal event that happens when an excitatory postsynaptic potential and an inhibitor...
Q: 1. A placenta vera is formed if a.The placenta is removed during birth. b. The maternal blood bathes...
A: Placenta is the physical contact between the fetus and mother inside the mother's body. Placenta is ...
Q: How do heredity and environment affect intelligence?
A: Heredity, often known as inheritance or biological inheritance, is the transfer of attributes from p...
Q: Groodies are useful (but fictional) haploid organisms that are pure genetic tools. A wild-type grood...
A: The groodies that are having a very long tail and also have flagella and are not fat are 44 in numbe...
Explain the role of redox reactions in electron transfer chains
Step by step
Solved in 2 steps