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Biology
Biology is a branch of science that studies the nature of life from the smallest parts of living things to the largest plants and animals. Ask and answer questions about the living world and its wonderful inhabitants in this category!
Total questions 129600
What makes stain removers work?
How Stain Removers Work There are different chemical detergents for different soils, it just depends on what is soiled and it's...
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What is the difference between a test tube baby and cloning?
Difference Between a Test Tube and Cloned Baby A test tube baby is when an egg is removed from a woman and sperm from and man,...
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How long does it take to earn a master's degree?
That isn't a question that can be answered here. The length of time a Master's degree takes to complete will vary considerably...
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Why do men have nipples?
Why Men Have Nipples It's left over from the womb - at a certain point we were just a foetus with an undetermined gender, and...
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What does SEM stand for?
On the internet, SEM stands for "Search Engine Marketing". In it's most basic form, SEM includes any type of advertising that...
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Why do mosquito bites and other bug bites itch?
Why Mosquito Bites Itch A mosquito doesn't actually bite you, of course. It sucks your blood. To help enable effective...
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What is the difference between a manipulated variable and a responding variable in a controlled experiment?
A variable is something which can change ie have different values. A manipulated variable is the variable which you deliberately...
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What is the meaning of the sex of an organism?
The sex of an organism is the property or quality by which organisms are classified as female or male on the basis of their...
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What are the top ten football rules?
Top Ten Football Rules By the rules, I assume you mean top ten rules where a ruling is made and in most circumstances a...
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What is a nucleolus?
Nucleolus is a structure inside a nucleus which produces the two parts of ribosomes. A cell nucleus may contain more than one...
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Who is a 'geneticist'?
A geneticist is a scientist who studies heredity (genes, DNA) and variation in organisms. Typically a geneticist analyzes data...
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What are the examples of homeostasis?
examples of homeostasis: regulation of body temperature, control of blood glucose levels, the regulation of salt and water...
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What is cell biology?
Cell Biology Cell biology is the science of studying how cells function such as their reproduction and metabolism, their...
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What is an analogy for a smooth endoplasmic reticulum?
Smooth ER is like a wrinkled tree trunk with bugs plastered upon it! Just keep it simple! It is like a factory, or processing...
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What is the difference between sexual and asexual reproduction?
In asexual reproduction, one organism essentially clones or copies itself. The genetic material in the offspring is identical to...
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What is the difference between an acid and a base?
An acid has a pH (portential hydrogen) below 7 below while a base's pH is over 7 Acids have H+ ions and are sour yet good...
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Does seed germination affect plant growth?
Germination Does Affect plant growth Without germination in the plant, the plant is not able to grow. The germination is the...
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What would be the problem if cellular respiration took place in just one step?
All of the energy from the glucose would be released at once, and most of it would be lost in the form of light and/or heat.
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What is skin made of?
Skin The skin is the largest organ in the body, comprising about 15% of the body weight. The total skin surface of an adult...
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How much salt is in the human body?
A 50 Kilo human has about 7 tablespoons of salt within him.
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What are good careers to consider after getting a master's or PhD in biochemistry or microbiology?
There is a lot of difference between having a Masters or a Ph.D. in these disciplines. Most people entering these disciplines...
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What is the optimum temperature for catalase?
For any chemical reaction, the reaction rate increases with temperature, so the higher the temperature, the faster the rate. For...
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What are analogies for mitochondria?
Here are some possible analogies for mitochondria in cells: the fuel cell in a hydrogen/electric powered automobile (good...
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What are the five kingdoms of taxonomic classification?
monera fungi animalia plantae protista or (more easily understood) bacteria protists fungi plants animals :)
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What are living and nonliving reservoirs?
Living nonliving reservoirs What the person really has in mind when he/she has asked this question? My one word answer to...
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What is a terrestrial organism?
Terrestrial = Land Dwelling 'Terra' is the Latin word for earth. So an animal that lives on the surface of the earth is called...
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Which is better to grow plants in Rock sand or soil?
I did a science fair project and we grew plants inside, with no wind, and the plants in the rocks grew better than the plants...
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What are some things that have algae in them?
Yeast is consitered an Algea. The Reasearch I have done sais that Dairy Products have Algea.
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What is a characteristic feature of a carrier protein in a plasma membrane?
carrier proteins are globular proteins which are specific it their action and thus regulate the entry and exit of particles into...
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What is neutral selection?
Selection If you are referring to the 'Nearly Neutral' theory of natural selection, then read on. If this is a typo for...
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Which culture is best for an Minimum Inhibitory Concentration experiment A culture grown overnight and diluted to 10-3 or a fresh culture frown for a couple of hrs that has no turbidity?
The incubation period depends on nature of the organism generally it varies between 10-18 hrs. A culture that has reached...
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What are the branches of biological science and what do they each deal with?
Biology is essentially the study of living things. It is split into several different types: Botany: The study of plants. These...
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What is philosophy of biology?
Philosophy of biology is a subfield of philosophy of science, which deals with epistemological, metaphysical, and ethical issues...
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Was imperialism in India positive?
Yes. It set a social framework in place that has provided education and health care for many of its' people. It has also had...
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Why do some papayas taste bitter and what causes it to be while other papayas of the same plant arent bitter at all?
some are not yet ripe and, sometimes , one fruit will just simply taste better than the next ,
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What is the natural habitat of E. coli?
The E. coli was first identified in the colon region of large intestine and so it was given the name "coli" (found in colon) they...
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What effect does diameter of conduction fiber have on conduction of the heart?
The greater the diameter of the fiber that much greater the heartrate will be. Because at the synaptic junction wider surface...
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How do you extract chlorophyll from a green plant?
A starter for 10.... You have to put a soft green leafy leaf Spinach then grind it into the bowl and add acetone or alcohal...
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What is an organ that belongs to more than one organ system?
One answer is the pancreas. It belongs to both the endocrine and digestive systems. And, I'm sure there are more. And another is...
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Who created the two-part naming system used in biology?
Two-Part Naming System The scientific naming system that is used world-wide today was first devised by Swedish naturalist...
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What is the tallness trait of a pea plant moving separately from the color trait an example of?
This is an example of Mendel's second law, the Law of Independent Assortment, which states that the appearance of one trait will...
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What is an analogy for microtubules?
Microtubules have two main functions in cells and in doing so act like a skeleton as well as like railroad tracks. Microtubules...
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Do special decomposers exist in the tundra?
The ecosystem in arctic climes have a particular problem in that the low temperature reduces physical breakdown, removes free...
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What are two things that enter the cell for cellular resperation?
Cellular Resperation Carbohydrate molecules and oxygen enter the cell during cellular resperation.
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Why would a tongue not detect mild sweetness after eating foods with high sweetness?
Simply because the sensory cells have been badly damaged. This happens because of the "desensitization" of sensory receptors on...
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How does the structure of a crab relate to its habitat?
Its hard exoskeleton protects it for most predetors & keeps water off its flesh. The claws are used for mating duels &...
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Why is the deleterious sickle cell allele still present in the gene pool of the US?
Sickle-Cell Anaemia First it should be noted that there is no such thing as a inherently deleterious version of an allele....
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What is a Puffball seed?
Puffball seeds Some plants produce puffball seed heads. The dandelion is the most familiar example, which have round,...
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What are some products made from plants?
Food items for human and animal consumption Wood Lumber Paper Chemicals
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Why doesn't pressing down on the cover slip remove excess water?
Because of Newton's Third Law of Motion: Every action has an equal an opposite reaction and and hydrolic pressure. When you press...
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Do all vascular plants develop annual rings?
No, they don't. Vascular plants are those which have phloem and xylem structures within them to transport water and nutrients...
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What are the advantages of reproduction in a stable environment?
Disadvantages Often slower than asexual reproduction, and less reliable. The new organisms are genetically identical to their...
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Does turberculosis go through a lytic or lysogenic cycle?
tuberculosis is caused by a bacterium. lytic and lysogeinc cycles are a part of viral life-cycle.
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Why does DNA twist?
DNA twists because of the 3 dimensional structure of the linking molecules along its backbone. These are phosphate molecules and...
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What are some examples of chemical and physical changes?
Chemical Change Examples Combustion Roasting a marshmallow A bike rusting Adding food colouring to icing Frying an egg Burning...
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At what age does the size of the ball change from size 4 to size 5?
Usually at age fourteen. Answer When you start U13 you switch to a size 5 instead of size 4.
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What is a cycle?
a cycle is when a batter hits a single,double,triple and a homerun in a single game
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What are analogies for centrioles?
Centrioles are like spindles. Answer A Centriole is like a straw because they both are tubes that let things get from one end...
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What is the movement of paramiciumcillia?
Paramecium: This large single-celled protist contains many, many short little "hair-like" structures called cillia, that cover...
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What does an anther have on it?
Anther The anther is the part of the flower that holds the pollen. This and the filament both make up the stamen.
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What are the major groups of organic compounds?
See Web Links See the Web Links for "Wikipedia: Organic compound" to the bottom for the answer. All biological molecules fall...
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What are enzymes?
Enzymes Enzymes are biological catalysts, mainly proteins, generated by your body to speed up chemical reactions in the body....
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How do organisms adjust to changes in temperature?
It's a part of a balance mechanism of the body called homeostasis. Answer Some of the most common way for an organism...
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What animals eat seaweed?
Seals, humans, fish, sea turtles, and a whole bunch of tank feeders just to name a few... humans silly. what do you think...
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Why do organisms live in certain places?
An organism lives in a certain place to meet its basic needs. Which brings me to adaptaion,which is a certain trait or ability an...
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What are the examples in making investigatory project?
The Dark Totie of FU have surfaced to help face Kenneth. They are bred leaders as they used to command great armies and creatures...
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What is the aerobic system?
Aerobic Exercise Aerobic means "using carbon dioxide." When you exercise beyond the limits of your ATP-CP and glucose systems,...
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Where does mRNA formation occur?
mRNA is produced in the nucleus by DNA transcription. Afterwards, introns are removed, or "spliced" out of the mRNA. Pre-mRNA...
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What is the structure of 233-triphenylpropionate?
Ph2CH.CH(Ph).COO-
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What does veterinary medicine have to do with physiology and biochemistry?
A lot. Physiology will teach about the function of animals and their parts. This is very important, so you know about the animals...
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What is the difference between xylem and phloem?
Both xylem and phloem are vascular tissues found in a plant. Xylem is a tubular structure which is responsible for water...
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What has caused evolution?
facts: 1)different individuals have different characteristics 2)these differences result in varying abilities to reproduce under...
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How does iodine kill germs?
The microbiocidal action of Iodine is due to the active form, I2, which is polarized by water and like all halogens (chlorine,...
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What is formycin B used for?
The only thing I found on the web was that formycin B is a drug used to get rid of intestinal parasites. Source:...
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Are humans born with instincts?
Yes humans are born with instincts, that is why they grab the hand of the doctor when they are are first born, and if you put a...
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What is the smallest membrane- bound protoplasmic body capable of independent reproduction?
a cell
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Why do substances react with each other?
By substances, I assume you mean chemical reactions. Chemical reactions occur because the products of the reaction have less...
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Why is water conservation in c3 c4 and cam plants important?
carbon fixation Cam stands for Crassulacean acid metabolism. C3 and C4 conserve less water than Cam plants. Actually,...
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What are the pros and cons of cloning?
The pros's of cloning is you get another person to keep you company like a person that may of died recently. The cons are it...
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What are the complementary base-pairing rules for biology?
Biology Base-Pairing Rules In DNA, Adenine bonds with Thymine, Cytosine bonds with Guanine. In RNA, Thymine is replaced with...
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What is the lowest and highest tempatures humans can survive under?
It depends on, among other things, the length of time, the medium the human is in, what they are wearing, and their...
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What is an example of commensalism?
flatworm attach to the horsecrab and eats the ballsack and has his hair cut Sharks and pilot fish is another example.
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Are there ribosomes in a plant cell?
Ribosomes Yes, in fact there are ribosomes in both plant and animal cells. That's right. Ribosomes are the site of synthesis...
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What best describes the amoebas division?
(1)mode of asexual account in which a single parent is involved.the amoeba cell,which is unicellular, divides into two daughter...
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What is the main difference between a bird heart and a mammalian heart?
Hearts the bird heart has a single aortic arch on the right side of its body while the mammalian heart has one on the left
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What classification that divides orders?
Orders are divided into Families. The hierarchy of clasification of living things most generally used is, from broadest to...
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Producing energy without the benefit of oxygen is known as?
Anaerobic respiration. See the following website for more information: http://en.wikipedia.org/wiki/Anaerobic_respiration
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What are organelles which carry out autophagy?
Autophagy, being the degradation of cytoplasmic components as well as other organelles, is generally done with the lysosomes. The...
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What causes the mutant form of disease-causing bacteria to become predominant?
The forces that affect bacteria population are competition, mutation and selection, just like any other population affected by...
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What is the main difference between plant and animal cells?
Only Animals cells Centrioles (helps in cell division) Only Plant Cells A single, large vacuole ( up to 90% of volume). Cell...
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Advantages and disadvantages of selective breeding?
disadvantage: selective breeding gets rid of variety advantage: selective breeding rules out weakness and...
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What are the applications of biostatistics?
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Where is the gall bladder located?
It is located underneath the liver. Answer The gall bladder is located in the Upper Right Quadrant (URQ) of the abdomen just...
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What biotic factors affect the canterbury mudfish?
biotic factors, such as interactions with other fish still researching
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How are fossils formed?
There are multiple methods of fossilization, but fossils generally are formed by rapid burial of organisms by sediments.
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How might a plant species and a pollinating insect species evolve in response to changes in each other?
Pollinating plants and insects The bee needs plum to produce honey and plant needs the bee to complete the pollinating process....
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Why is there little or no grass in the forest?
Santosh, MBA, Delhi University In my opinion following are the reasons. 1. due to the presence of the bushy trees close...
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Is dwarf pampas grass invasive?
No. the root system is shallow and extends only as far as the plant is big. However if the irrigation system is installed poorly...
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Comparison between aerobic respiration and anaerobic respiration?
aerobic respiration occurs in the presence oxygen and creates a maximum of 38 ATP, while anaerobic respiration occurs in the...
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What does Liquesence digestive enzyme do?
It helps to normalize the secretion of digestive juices and enzymes in the gastrointestinal tract
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