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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 174600
What makes stain removers work?
There are different chemical detergents for different soils, it just depends on what is soiled and it's penetration. Laundry...
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What is the difference between a test tube baby and cloning?
A test tube baby is when an egg is removed from a woman and sperm from and man, and the egg is fertilized outside that mother's...
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What are the parts of a Microscope?
fine adjustment knob coarse adjustment knob slit light reflected mirror diaphragm objective lens handle stage...
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Why do men have nipples?
It's left over from early fetal development - at a certain point we were just a fetus with an undetermined gender, and then a...
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Why do mosquito bites and other bug bites itch?
Only female mosquitoes drink the blood of humans and other animals to develop her eggs properly before they are laid. Male...
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How does caffeine affect plant growth?
Minerals like potassium are often found alongside caffeine when it occurs in plant sources like coffee beans, and that could help...
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What are the five large groups that living things can be classified into?
More correctly than saying all living things, you could say all eukaryotes (see diagram below). This is called the five-kingdom...
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What are bacteria?
Bacteria (plural of bacterium) are microscopic single-celled organisms (prokaryotes) that reproduce by binary fission, i.e. one...
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What are the different branches of biology?
There are many branches of biology, each focused on just one aspect of research. The scope of biology is enormous-- it's the...
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What are the stages of mitosis?
The five stages or phases of mitosis in order are: Interphase:Chromosomes make copies of themselves Prophase: Chromatin...
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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 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 a nucleolus?
Nucleolus is a structure inside a nucleus which produces the two parts of ribosomes (rRNA) . A cell nucleus may contain more than...
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What is cell biology?
Cell biology is the science of studying how cells function such as their reproduction and metabolism, their internal and external...
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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 five kingdoms of taxonomic classification?
Animalia(animals), Plantae(plants) Fungi (mushrooms toadstools etc), Monera (includes Eubacteria and Archeobacteria)[bacteria],...
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What is the difference between sexual and asexual reproduction?
Sexual Reproduction is the process by which a new organism develops from joining of male sperm cell and a female egg...
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Does seed germination affect plant growth?
Without germination in the plant, the plant is not able to grow. The germination is the begining of life for the seed...
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What jobs can you get with an associate's degree in Biology?
National Park jobs and State Park jobs, for starters. Check out www.usajobs.com
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What are different examples of a person's DNA?
I am going to assume you are asking about blood types. There is A, B, AB, O. These four blood types also have a positive or...
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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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Why is the deleterious sickle cell allele still present in the gene pool of the US?
First it should be noted that there is no such thing as a inherently deleterious version of an allele. The deleterious function...
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What is a terrestrial organism?
'Terra' is the Latin word for earth. So an animal that lives on the surface of the earth is called terrestrial. This is the same...
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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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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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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 are living and nonliving reservoirs?
What the person really has in mind when he/she has asked this question? My one word answer to this question can be VIRUSES....
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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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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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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 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 is neutral selection?
If you are referring to the 'Nearly Neutral' theory of natural selection, then read on. If this is a typo for 'Natural...
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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?
The scientific naming system that is used world-wide today was first devised by Swedish naturalist Carl Linnaeus in 1737. He...
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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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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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How do you extract chlorophyll from a green plant?
You have to put a soft green leafy leaf Spinach then grind it into the bowl and add acetone or alcohal and the cholorphyl will...
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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 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 does the cell membrane do for a cell?
Cell Membrane It protects and supports the cell as well allowing regulation of what goes in, like food, water, and other...
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What is a Puffball seed?
Some plants produce puffball seed heads. The dandelion is the most familiar example, which have round, whitish-gray seed heads. ...
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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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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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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 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 are enzymes?
Enzymes are biological catalysts, mainly proteins, generated by your body to speed up chemical reactions in the body. they have...
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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 well thats a baseball cycle. a cycle are...
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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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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 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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What are the major groups of organic compounds?
Alkanes, alkenes, alkynes, alcohols, aldehydes, ketones, carboxylic acids, amines, amides, nitrites, nitrates, amino acids,...
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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 has caused evolution?
facts: 1)different individuals have different characteristics 2)these differences result in varying abilities to reproduce under...
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What are the complementary base-pairing rules for biology?
In DNA, Adenine bonds with Thymine, Cytosine bonds with Guanine. In RNA, Thymine is replaced with Uracil (bases capitalized for...
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What does an anther have on it?
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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Where is the gall bladder located?
It is located underneath the liver. The gall bladder is located in the Upper Right Quadrant (URQ) of the abdomen just below...
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At what age does the size of the ball change from size 4 to size 5?
Usually at age fourteen. When you start U13 you switch to a size 5 instead of size 4.
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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 animals eat seaweed?
Seals, humans, fish, sea turtles, and a whole bunch of tank feeders just to name a few...
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What is the smallest membrane- bound protoplasmic body capable of independent reproduction?
a cell
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What is photosynthesis?
Photosynthesis is the process of which plants change sunlight into energy. This energy is their food which contains oxygen and...
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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. Some of the most common way for an organism to adjust...
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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 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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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 is the structure of 233-triphenylpropionate?
Ph2CH.CH(Ph).COO-
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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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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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What is the difference between xylem and phloem?
Xylem exists as non-living tissue at maturity but phloem is alive.
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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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Advantages and disadvantages of selective breeding?
disadvantage: selective breeding gets rid of variety advantage: selective breeding rules out weakness and...
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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 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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Why is water conservation in c3 c4 and cam plants important?
Cam stands for Crassulacean acid metabolism. C3 and C4 conserve less water than Cam plants. Actually, C4 plant capture...
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What biotic factors affect the canterbury mudfish?
The main threat to the Canterbury mudfish is abiotic - loss of habitat through human activity, but biotic effects...
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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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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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What is hibernating?
''Hibernate'' is a power management setting; so is ''Standby.'' These settings are used to reduce power consumption. Use...
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Are there ribosomes in a plant cell?
Yes, in fact there are ribosomes in both plant and animal cells. That's right. Ribosomes are the site of synthesis of...
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What is the main difference between a bird heart and a mammalian heart?
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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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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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 are the applications of biostatistics?
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How might a plant species and a pollinating insect species evolve in response to changes in each other?
The bee needs plum to produce honey and plant needs the bee to complete the pollinating process. If there is not a plant, the bee...
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What is the pupose of DNA?
The main purpose of DNA is to store and retain your genetic information. DNA contains the biological information needed to...
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What is an inorganic compound?
An inorganic molecule is a substance that does not have a carbon-hydrogen bond, they are not normally found in living things.
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What is fermentation?
Fermentation is the process by which cells release energy under anaerobic conditions (generally). Several major products of...
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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 is a compound that contains an amino group a carboxyl group and a side group?
amino acids
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Why is there little or no grass in the forest?
1. The dense tree cover in a forest shades the ground so that grass cannot get enough light to grow. 2. Large established trees...
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How do you calculate the surface-area-to-volume ratio?
Concept The surface-area-to-volume ratio is calculated by dividing the surface area by the volume of any object. If you know the...
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Who are some famous Filipino biologists and what are their contributions to the field of biology?
Angel C. Alcala Invented artificial coral reefs to be used in South East Asia. Pedro B. Escuro - rice breeding - he developed...
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Is panspermia plausible?
I, of course, have no definitive answer, but I am reminded of a famous quote, "Nothing is impossible, we just don't know how to...
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