The absence of ________ leaves obligate anaerobes susceptible to killing by oxygen.   vitamin E superoxide dismutase peroxidase carotenoids catalase

Q: Aerobic respiration (includes oxidation of pyruvate and the citric acid cycle): Summary:         ...

A: The process that involves complete oxidation of respiratory substrates (Glucose) in presence of O2 w...

Q: Identify the parts and its characteristic 3. 5. 1. 2. 3. 4. 5.

A: The leaf is prominent structure of the plant that is mainly responsible for photosynthesis. The expa...

Q: Which of the following groups of archaea have useful roles in various applications of recombinant DN...

A: There are three domains of life archaea bacteria and eukaryotes. Archaea are specialised for living ...

Q: An increase in the pH of blood will: Shift the oxyhemoglobin dissociation curve to the righ Decrease...

A: The oxygen dissociation curve of adult hemoglobin is sigmoidal or S-shaped due to the cooperative bi...

Q: Transporter are not very selective, and allow solutes to enter or leave the cell through channels or...

A: * Transporters are the integral-membrane proteins which form a pore within the plasma membrane which...

Q: Using the concepts of trophic levels and energy flow, explain why the ecological footprint of a vege...

A: Tropical levels in a ecological systems makes a ecological balance in the environment. In this ecolo...

Q: How many molecules of ATP are made during lactic acid fermentation?  How does this compare to the am...

A:

Q: A mutation creates a STOP codon where one was not before. Which of the following could NOT h O Delet...

A: All genetic variety comes from mutation, which provides the raw material for evolutionary forces lik...

Q: Explain or describe how you obtain energy indirectly from the food that you eat. And how can some or...

A: Answer : the food we eat is always the indirect energy which are is used by the body when it is requ...

Q: The major function of the ossicles of the ear are to; O All of these are correct O Connect the tympa...

A:     INTRODUCTION         The ossicles are played a major function in malleus, incus, and stapes.  Fr...

Q: The echinoderms lack many of the characteristics of later deuterostomes, such as pharynoeal sits and...

A: Deuterostomes possess a group of animals that have an anus before their mouth in embryonic stages. S...

Q: How does the nervous system distinguish between stimuli of different types?

A: The term stimulus refers to a change in the environment that can be detected by a receptor. The rece...

Q: All of the following, except one, down-regulate genes. Which is the one factor below that up-regulat...

A: *upregulates genes is the process of regulation of gene expression, in which the number, or activity...

Q: Hela cells turned out into a "hardy contaminant. This means that the cell strain contaminated other ...

A: HeLa cells are primarily the cancerous cells isolated from the body of a woman who suffered from can...

Q: How does the frequency of action potentials in the primary sensory neuron code for stimulus intensit...

A: The nervous system's functional unit that transmits nerve impulses from the stimulus site to the cen...

Q: Create a mind map with the following items as the central topic: Fish scales

A: Fish scales are present on the outer skin of the fish, they are rigid. The inner part of a scale is ...

Q: /hich of the following statements must be backed up with an in-text citation of a published sour A. ...

A: An in-text citation is the brief form of the reference that you include in the body of your work. It...

Q: It is all about the flowering plants-use for asexual and sexual reproduction example

A: Introduction  Reproduction is the key to the survival of a species. All organisms reproduce to produ...

Q: of the following statements must be backed up with an in-text citation of a published sour A. I beli...

A: An in-text citation is a short version of a reference you have made in your work-cited list or bibli...

Q: Spicules are structural elements that is found in sponges that form the skeleton and provide structu...

A: Spicules, or "bricks," are the structural components of a sponge, and each species' forms, sizes, an...

Q: Ghon Complex form in tuberculosis

A: The Ghon complex is a non-pathognomonic radiographic finding on a chest x-ray that is significant fo...

Q: what happens when the wrist is in flexion while wiggling the fingers?

A: The movement of the wrist to open and close the fingers is explained by the term tenodesis. Our fing...

Q: How do nucleotides of mRNA chains encode information for the formation of the amino acids sequences ...

A: From the above question we have to explain How do nucleotides of mRNA chains encode information for ...

Q: 3) In 1998 in a forest there are 300 bald eagles, 200 have dark brown head feathers, and 100 have li...

A: The frequency of various genotypes (concerning one gene) in a population of an organism can be ascer...

Q: Which of the following is NOT a feature associated with filtration?   sterilization of heat-sensitiv...

A: Filtration is a process in which the smaller or liquidy substances can be removed from the larger so...

Q: If it takes 2 hours for a population of bacteria to grow from 100 cells to 1600 cells, what is the g...

A: The bacteria are single celled prokaryotic organisms and divides by binary fission. The time require...

Q: Characterize disturbance, succession, and notions of community change

A: Every living organism interacts with and is dependent on its surroundings in a variety of ways. Each...

Q: How do some species manage to exist in the absence of sunlight and photosynthesis? how do you obtain...

A: The organisms that can perform photosynthesis and obtain the food from the sunlight and carbon dioxi...

Q: A phylogenetic tree is different from a cladogram in that ... Group of answer choices A: it shows th...

A: Phylogenetic tree: it is a tree diagram that describes the evolutionary relationships between organi...

Q: sides 1, 2, 4 and 6mm. a Calculate the volume, surface area and ratio of surface area to volume. b S...

A: Surface area of cube= 6a2 Volume of cube= a3 Where a is the side of the cube.

Q: Can a species undergo exponential growth indefinitely? Explain your answer.

A: Introduction  A species is a group of living organisms that are genetically similar and capable of e...

Q: The life span of white blood cells is Select one: a. none of above b. months to even years C. minute...

A: The components of the blood are plasma and formed elements. The formed elements include RBC, WBC, an...

Q: The phylogenetic tree, or Tree of Life, is a hypothesis based on the evidence that suggests all livi...

A: Answer : True

Q: ....Has no tall, aggressive ****...................... Kajus

A: Dichotomous key: The word "Dichotomous" means divide in two. A dichotomous key includes organisms th...

Q: Which of the following statements describe among the many different ways that people may define thei...

A: Introduction: A gay person is homosexual.Homosexuality is romantic attraction, sexual attraction, or...

Q: A species of a plant has 2n = 16 chromosomes. How many chromosomes will be found per cell in each of...

A: * Monosomic is the condition where one chromosome is absent  * Best example is Turner's syndrome whe...

Q: What health policy issues do people with low SES face? Cite examples of programs to eliminate SES di...

A: Answer :- Individuals having a place with lower SES face a number medical services issues by not app...

Q: Which of the following is NOT a characteristic for bacteria in general? Plasma membrane has no sacc...

A: The bacteria are prokaryotic organisms that are unicellular in nature and contain primitive nucleus ...

Q: Explain the significance of the role of the thymus gland in destroying T cells that would otherwise ...

A:   Introduction   From the above question we have to explain significance of the role of the thymus g...

Q: A cell contains 4 metacentric, 4 acrocentric, and 2 submetacentric chromosomes. Under normal conditi...

A: The chromosome involved in the anomaly are identified by inserting the numbers in parentheses betwee...

Q: What is meant by the term keystone species, and what types of organisms are most often considered ke...

A: Keystone species have a wide range of impact, and secondary or tertiary consumers are the most commo...

Q: Conversion Efficiency definition?

A:     conversion efficiency defind as the amount of energy produced as a form of ratio that is useful ...

Q: Why can't many researches be undertaken without any living animals? why is a dish of cells not enoug...

A: Many researches are quite the involvement of animals in getting a desirable outcome. Because they ca...

Q: A mutation creates a STOP codon where one was not before. Which of the following could NOT be the mu...

A: Stop codons are triplets of nucleotides found in messenger RNA (mRNA) that signify the end of protei...

Q: Since among the 64 codons of mRNA 61 codify amino acids that form polypeptide chains what are the fu...

A: From the above given question we have to show what are the three functions of remaining codons as gi...

Q: Please answer fast A scientist used the identifiler PCR kit on a sample from crime scene. He got ...

A: Forensic Scientist got no amplification in case of negative control here. So, the PCR stock is good ...

Q: odern fishes Fish scales The Sample format (MindMeister) for

A: Answer :: Mind map of the 1. Modern fishes and 2. Fish scales  Please follow the attached file then ...

Q: List three body functions that reflexes control.

A: Answer: Three-body functions that are controlled by Reflexes are: 1. When a flash of light hits any ...

Q: How many chromosomes are there in the somatic cells of a newborn boy with: a. The cri-du chat syndro...

A:  Chromosomes are responsible for our inherited characteristics . Any abberation in chromosome no. Or...

Q: how does ethanol affect cell transport process?

A: The cell membrane is made of a phospholipid bilayer with proteins and cholesterol molecules interspe...

Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.