Biology

Kurt says the kingdoms of classification are, Kingdom, phylum, order, class, genus, species; is he right

kingdom, phylum class order family genus species. Dont forget domain before kingdom.

Biology question about birth control pills

Birth control pills work by doing all the following EXCEPTA. preventing the buildup of the endometrium.B. preventing implantation.C. blocking passage of sperm through the cervix.D. preventing follicle

Explain what happened to the cotton worm in this graph

http://sub3.rofof.com/img5/04lpdqn30.jpg The graph represents the case of introducing the vedalia beetle to a cultivated area that contains great number of cotton worms 1. Explain what happened to t

What is the function of the retina

im doing a science project and im having trouble finding out the function of the retina. PLS HELP!-The retina is responsible for collecting light to create an image. It is made of a layer of light-sen

State action potential in this graph

State potential difference during rest? http://sub3.rofof.com/img5/04dcszt30.jpg The graph represent that the nerve impulse through nerve fiber expressed as waves of depolarization and repolarizaion

Biology Question Please help!!!!

Okay the question is saying: Pretend you are an atom of carbon. Write a paragraph describing your travels. Make sure your paragraph includes a complete loop through the carbon cycle. Please help I wo

Is gluconeogenesis anabolic

It seems obvious that it is since its a building process but it has an overall net negative deltaG.Maybe Im misunderstanding the concept of deltaGs for a reaction.I guess every enzymatic needs a net n

What is the earliest form of photosynthesis

The earliest form of photosynthesis did NOT involve the release of oxygen I thought the answer would be cyanobacteria but i think it releases oxygen. Would it be a photoheterotroph or photoautotroph.

Why makes our skin "prune"

Our skin prunes because it absorbs water, causing it to expand. As you may know, when a fabric expands in a fixed area, it tends to wrinkle. You may notice that the skin on your fingertips swells when

Explain the effect of an increase in environmental temp on oxygen consumption in this mammal

http://sub5.rofof.com/img5/04itapl30.jpg An investigation was carried out to determine the effect of an increase in environmental temperature on oxygen consumption in a mammal. The tables shows the r

What wCan someone explain this science article to me? its about the use of headphones on ould you like to ask

research group examined the brains response to sound using the biomagnetism measurement device MEG (magnetoencephalography), which makes it possible to measure the brain activity without any subjects

Carbon Dioxide enters the Stroma of a plant... and then what

Does it go to the chloroplasts? Thanks!-Its not stroma but stoma;CO2 enters the guard cells in the leaf of the plant through diffusion. Then they use this CO2 in photosynthesis to produce O2 gas and t

Bio experts**** Arthropods: after its old exoskeleton has been shed but before the new one has hardened, an aq

Ok , so the whole thing didnt fit . But here is the question . Please Help ! :) After its old exoskeleton has been shed but before the new one has hardened, an aquatic arthropod absorbs water and sw

Amoeba contractile vacoule: why is it more active in freshwater than marine

Freshwater is hypotonic to the amoeba and so more water enters the cell by osmosis. Thus, more water has to be removed from the cell by the contractile vacuole which is more active.

HELP!!!! BIOLOGY! 10 points! AS LEVEL

okay so i really need help with antibiotics so i know they weaken the bacteria walls stop protein synthesis and stop DNA replication but could someone explain these in more detail? thanks sooooo much