How did the presence of molecular oxygen in the atmosphere affect early life?

Q: Free Response: Fruit Flies Genetics To do well on the question, you will need to use the proper…

A: In fruit flies, the phenotype for eye color is determined by a certain locus. E indicates the…

Q: When you open a pizza box, particles of the pizza enter the air around you, and enter your nose when…

A: Hormonal imbalances are much more frequent during pregnancy, puberty, menstruation, menopause, and…

Q: Table of BSA solution absorbance of concentration at 595nm. BSA Concentration (ug/ml) OD595nm Group…

A: It's the table based on BSA solution absorbance of concentration of 595nm  There's taken OD at 595…

Q: The “big portion of the brain” that the narrator highlights first is the

A: Answer :- As we know that big portion of the brain is called cerebrum. And , The cerebrum is the…

Q: What is the role of mucus secreted by the stomach? 1. To protect the lining of the stomach 2. To…

A: The stomach is a large J shape organ which receives the food from oesophagus .  The muscular wall of…

Q: Which tissue delivers dissolved sugar throughout the plant?Read and analyze the question and choices…

A: Plant tissue is a grouping of similar cells that collaborate to perform an organised purpose for the…

Q: which is the delivery techniques can bbe used to best transfer recombinant plasmids into E.coli…

A: ANSWER) The process of transferring the recombinant plasmids into the E.coli cells is called…

Q: Understanding geologic time is significant because it helps us  a. Understand humans’ impact on our…

A: The evolution of different organisms occurs in different time periods on the earth. The primitive…

Q: Describe 3 biomechanical factors that influence muscle force production. Be sure to explain how or…

A: Muscle force production is the amount of force (maximum) that skeletal muscles can produce. It is…

Q: Question 2a. The cartoon below shows a cartoon of splicing intermediates of the transformer MRNA in…

A: In Drosophilla, there is a gene called sex lethal genes or SXL, which codes for RNA binding protein…

Q: A rare disease is found in a family as shown in the pedigree below. Assuming complete penetrance,…

A: Genetic inheritance is the process of transfer of genetic information from the parents to progeny…

Q: 21. The best explanation for the red-eyed F1 females is (A) mutation (B) culture contamination (C)…

A: A culture of white-eyed fruit flies (Drosophila melanogaster) was maintained for many generations.…

Q: 14. a. What is the role of insulators? b. What would happen if there were no boundary elements for…

A: 14 .  what is the role of insulators? Insulators are the segments of DNA that functions as a…

Q: 13.Which region of the leaves is the location to which most of the photosynthesis takes place?Read…

A: Photosynthesis is the process by which plants use sunlight, water and carbon dioxide to create…

Q: Name & discuss 3 general characteristics of fungi

A: *NOTE: Kindly repost for other questions. Dear Student as per the guidelines we are supposed to…

Q: How does having herd immunity important with your battle with the COVID- 19 pandemic

A: *Immunity is a complex of biological system which have the the capacity to recognize and tolerate…

Q: Which of the following dephosphorylates PI 3,4,5-trisphosphate, thereby blocking the activation of…

A: The survival and growth is promoted by the PI3K-Akt signaling pathway. Protein Kinase B and…

Q: Which among the following gland produces Insulin, the chief hormone in body for metabolizing sugar?…

A: Insulin helps blood sugar enter the body's cells so that it can be used for energy. Insulin also…

Q: flu spread by sneezing or coughing is an example of which type/mode 8l

A:

Q: What if lost limbs or organs could be regenerated? • What if drug development and chemical testing…

A: * body has limitations and can ae to generate the lost tissue or cells by means of division but…

Q: 11. One difference between cancer cells and normal cells is that cancer cells A) are unable to…

A: Ans 11. The correct answer for the above question is  C) continue to divide regardless if the have…

Q: Along with other geological evidence from rocks and structures, fossils give us clues about past…

A: As per our company's guidelines we supposed to answer a single question at a time only. Please…

Q: Which of the following actions would best enable you to demonstrate that the results of an…

A: *steps in scientific method involves the following steps  Observation Asking a question Forming an…

Q: Which media in this lab tests for exoenzymes? Starch for endoenzymes? Starch ..

A: Exoenzymes work outside the cell, while endoenzymes work inside the cell.

Q: Hypothyroidism - DEFINITION - PREDISPOSING FACTORS - SIGN AND SYMPTOMS - ANATOMY AND…

A: Hypothyroidism (underactive thyroid) is a circumstance in which your thyroid gland would not produce…

Q: The presence of freckles is a dominant trait. Cross a heterozygous freckled man with a nonfreckled…

A: Introduction : A monohybrid cross is a genetic collaboration of two different alleles which has…

Q: Name the components of the formed elements in the blood and mention one major function of each of…

A: Blood is a consistently circulating liquid that provides nutrition, oxygen, and waste elimination to…

Q: In other words, the master regulator initiates a program of gene expression that narrow the…

A: Cell signalling

Q: explain how bacteria can be manipulated to contain a foreign DNA sequence or gene, how the…

A: Plasmid or vector transformation is the process by which exogenous DNA is transferred into the host…

Q: Albinism is a recessive trait. Two individuals who both have normal pigmentation have one child out…

A:

Q: Devan is an athlete who always skips breakfast so he can perform his morning workout in a fasted…

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Q: I understand how nuclear factor-kB (NFKB) works in the inflammatory response but what is the…

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Q: Which of the delivery techniques mentioned in Table 2 can be used to best transfer recombinant…

A: * They are many techniques for delivering the recombinant plasmids into the recipient cells. *…

Q: The flower color of genetically identical hemp plants (clones) is purple when the flowers develop…

A: Genetical identical plants having different flower color:-

Q: What is the final result of mitosis in a human A) nearly genetically identical 2n somatic cells B)…

A: 1. The correct option is D

Q: 2 10

A: A microtome is specifically the device used for cutting thin slices of tissues from blocks of tissue…

Q: What is the vascular bundle arrangement of a monocot plant? Read and analyze the question and…

A: Monocot stems have scattered vascular bundles. Dicot stems have their vascular bundles in a ring…

Q: What are the immunological implications of 'bare lymphocyte syndrome' /MHC deficiency?

A: Cell immunity

Q: In the eclectus parrot (Eclectus roratus), mothers sometimes take parental favoritism to extreme…

A: The Eclectus parrot, which is endemic to tropical Australia and Papua New Guinea, will occasionally…

Q: The gray mouse lemur (Microcebus murinus) is a species in which females come into estrus and mate…

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Q: 10.Which is a growth-inhibiting hormone that may promote seed dormancy?Read and analyze the question…

A: Seed dormancy is the inability of the seeds to germinate under favourable conditions such as cold…

Q: 1 2]

A: *NOTE: Kindly repost for other questions Dear Student as per the guidelines we are supposed to…

Q: Snake Population over Time 100 2000 团 2010 80 70 60 50 40 30 20 10 Brawnish green Dark green Light…

A: As we know forest is the basic habitat for many species, here the population of snakes fluctuate…

Q: the function of the Osteocyte is- .A support .B blood supply to the bone .c Nourishment .D All…

A: The hardest connective tissue comprising of calcified matrix and which forms the skeleton of the…

Q: Construct a Lineweaver-Burk plot to answer the following questions: (a) What are the apparent KM and…

A: The Lineweavwe-Burk plot is the plot between 1/[V] vs 1/[S]. Km = -1/ x-intercept Vmax= 1/y…

Q: Question 1: Define the following: (a) Exocrine gland (b) Endocrine gland (c) Hormone

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Q: 2. What are restriction digestion and gel electrophoresis used for in this cloning series of…

A: Restriction digestion technique is implicated in biotechnology or related field during cloning…

Q: What are the ways that you can do to help your body in maintaining your normal temperature?

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Q: Malaria model: The simplest malaria model, known as the Ross-Macdonald (winner of the 1911 Nobel…

A: The Ross–Macdonald model has some thrilling capabilities.τ1 For simplicity, count on the full…

Q: What is the sucrose concentration at which zero percent change in weight is observed: What is the…

A: Introduction:  Homeostasis is a maintained and stabled movement of materials through the membrane of…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.