2. From the zygote, pluricellular organisms are formed by serial mitosis. Would this formation be possible if each cell made by mitosis had an identical life in relation to its antecedent cells? How did evolution solve that problem?

Q: A conditional mutation expresses its mutant phenotype only under certain conditions (the restrictive...

A: A conditional mutation expresses its mutant phenotype only under certain conditions (the restrictive...

Q: These organisms contain shoots, roots, and cuticle. Group of answer choices What is animal? What ...

A: A kingdom is the 2nd greatest taxonomical order in biology, after domain. Kingdoms are subdivided in...

Q: What is the role of sex in evolution? Explain

A: Over consecutive generations, evolution is defined as a change in the heritable traits of natural po...

Q: What is the relative importance of the Na+/K+ pump in action potential propagation?

A:

Q: What did Maurice Wilkins’ work before working with Rosalind Franklin? What event changed his change ...

A: Maurice Wilkins and Rosalind Franklin gave their contributions that led to the support in the discov...

Q: Write a short note on: Adaptations of plants to water scarcity

A: Plants that grow in deserts have evolved to cope with a lack of water.   (1) Plants have a deep root...

Q: Assigned chemical agent: How does this agent specifically destroy microbial cells? Propose a hypothe...

A: There are few important points that should kept in mind : The bacteria treated with allows stain to ...

Q: Scope and limitations, Advantages and drawbacks of: - Sedgewick-Rafter - Palmer-Maloney - Hemocytome...

A: Answer :- *Sedgewick-Rafter :-  The sedgwick - Rafter including chamber is utilized in investigation...

Q: N Question Explain antibiotic resistance observed in bacteria in light of Darwinian selection theory...

A: According to Darwinian selection theory, organisms that have beneficial variants are better selected...

Q: How can you distinguish a monocot from a eudicot? How are insects such as bees important for the re...

A: Botany is a discipline of biology which studies plants and their structures, characteristics, and bi...

Q: Most living organisms cannot survive at temperature above 45°C. How are some microbes able to live i...

A: Archaebacteria are well known ancient bacteria having such properties in their cell walls. Some euka...

Q: What is the Function of the North Bridge What is the Function of the RAM What is the Function of t...

A: Answer 1- the north bridge is the interconnecting device which is used to control the CPU for the me...

Q: For EACH of the observed traits, which is most frequent in our class population, the dominant phenot...

A: Frequency is the number of occurrence of repeating events during a particular period of time.   Most...

Q: Albinism occupied a special place in the Hopi culture; individuals who possessed this trait were val...

A: Introduction  Genes are the key components that control all the cell activities and also the basic i...

Q: if for a patient's lungs: The tidal volume is 327 ml, inspiratory capacity is 3496ml, vital capacity...

A: Introduction: Vital capacity:Vital capacity refers to the amount of air that can be breathed or expe...

Q: 2. The homozygous mutant a, an allele of the albinism gene in the mouse, has a white coat and dark e...

A: "Genetic variation" is the result of the recombination of genetic material during the inheritance pr...

Q: Which among the following is the BEST representation of a cross between a heterozygous widow’s peak ...

A: Allele: A segment of DNA that encodes for a specific trait. A gene that has a different version. A d...

Q: Virology:Where does the 5’ cap come from ?

A: Introduction: CappingTo preserve the mRNA, a methylation guanine cap is inserted. It entails: Methyl...

Q: Comparing the plant (banana) and animal (human cheek cell) samples, which has more DNA? Take note th...

A: Banana's share 60% of the DNA as that of humans. 

Q: Caroline is a 39-year old high school English teacher who weighs 141 pounds and does not get a lot o...

A: According to the question, Caroline is a 39-year old high school English teacher who weighs 141 poun...

Q: What do you think scientist expect to discover more species?

A: If we want to save all living things and make them change, the ultimate goal of conservation, then s...

Q: QUESTION 22 Which are pathways of replication leading to population variability and Natural Selectio...

A: Mutation Sudden heritable change in genetic material or character of an organism is known as mutatio...

Q: Match each term with the best description. ____ PGAL                           a. absorbs light ____...

A: ANSWER:  As asked in the questin the detailed matching of both the columns is given below.

Q: When somatic cells undergo mitosis, what is the result? O 1. Daughter cells with different genetic c...

A:   "Since you have asked multiple question, we will solve the first question for you. If you want any...

Q: If a marine fish is placed in a fresh water aquarium, will the fish be able to survive? Why or why n...

A: Osmosis is a process of movement of water through semipermeable membrane. 

Q: Why might game theory be useful in analyzing decision making by Adélie penguins (Pygoscelis adeliae...

A: The standards of game theory give a hypothetical structure to understand the development of organic ...

Q: Match the items given in column A and B: Column A Column B (a) Catalytic converter (i) Particulate m...

A: Pollution caused by various human activities is a major concern. Pollution has adverse effects on he...

Q: Which of the following substances does not participate in the Calvin–Benson cycle? a. ATP d. PGAL b....

A: The Calvin cycle refers to three crucial photosynthetic processes that take place without the use of...

Q: How come c) is the answer? Wouldn't the fresh water be a hypertonic solution because it would allow ...

A: Yes,Option (C) is perfectly correct. Firstly you should understand the concept of concentration. It'...

Q: What are the major functions of male accessory ducts and glands?

A:

Q: How does evolution affect you in your daily life? Please explain

A:

Q: What cellular organelle is the final destination of oxygen? A. Left B. Middle C. Right D. Nucleus E...

A: Correct option is G - mitochondrion is the cellular organelle is the final destination of oxygen.

Q: How does evolution affect you in your daily life?

A: Human evolution is the transformative evolutionary cycle that prompts the development of physically ...

Q: List counselling points to discuss with a patient who has trouble swallowing and is picking up a pre...

A: There could be several reasons for people who have difficulty in swallowing tablets or capsules espe...

Q: In the medium where E.coli was growing, lactose was added, which induced the lac operon. Then, w hy ...

A: The lac operon is a set of genes that share a single promoter (transcribed as a single mRNA). The op...

Q: Describe the typical movement of energy through an ecosystem. Now describe the typical movement of m...

A: Energy flows through an ecosystem, while matter cycles within it. To understand why this is the case...

Q: asping orgañ in the by b) Most of cephalopods can move by a kind of expelling water through their c)...

A: Mollusca is the second largest phylum in the animal kingdom. They can be found on both land or water...

Q: In dogs, there is a hereditary deafness caused by a recessive allele, d. A kennel owner has a male d...

A: Answer :- Option (B) is correct. - has the genotype Dd.

Q: The trihybrid AaBbCc is crossed to the triple recessive, aabbcc, and the following  phenotypes are o...

A: Here, The offspring are obtained as follows: abc = 64 ABC = 71  ABc = 3 abC = 2  aBc = 11  aBC = 18 ...

Q: . An RFLP analysis of two pure lines A/A • B/B and a/a • b/bshowed that the former was homozygous fo...

A: Genes are the fundamental biological unit of inheritance. They are deoxyribonucleic acid (DNA) segme...

Q: Briefly explain why genetics is crucial to modern biology

A: Genetics is a study of genes and its inheritance pattern. It helps in determining the hereditary cha...

Q: Describe briefly the four major groups of Protozoa.

A: Protozoans are a category of creatures that are distinguished by their unicellular structure and fou...

Q: True or False for each of the following: A. a neuronal synapse, facilitation of a post -synaptic res...

A: *Synaptic facilitation is primarily caused by changes in pre-synaptic calcium. *Increases or decresa...

Q: Choose ONE trait observed in class and explain why one form of the trait is more frequent than the o...

A: A trait is considered to be dominant if it is expressed even in heterozygous state of genotype. Rece...

Q: How does the progeny formed from asexual reproduction differ from those formed by sexual reproductio...

A: We have to explain how does the the progeny formed from asexual reproduction differ from those forme...

Q: Which of the following statements concerning genes are true? Select all that apply. A gene is a seg...

A: ANSWER;-option a is correct.  Explain;-  A gene is the basic physical and practical unit of heredity...

Q: Before X-ray diffraction and the discovery of the structure of deoxyribonucleic acid (DNA) was ident...

A: The structure of DNA, as represented in Watson and Crick's model, is a double-stranded, antiparallel...

Q: Write comprehensively your answer about sequence events leading to evolution by natural selection.

A: Charles Robert Darwin, the famous English naturalist, was the first who founded the theory of organi...

Q: Try to trace the various components of human evolution (hint: brain size and function, skeletal stru...

A: Introduction:- With time, the human brain size increased quite significantly. Skeletal structures ha...

Q: [Sand dollar] Aboral surface Oral surface Figure 20:

A: It is a sand dollar (marine echinoderm) which is buried in sand at the deep bottom of the ocean.

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.