Science Crossword Puzzles

this type of chromosome fragmentation occurs when the broken-off piece of chromosome becomes reversed and is then joined on again, this type of …

to darwin, this is the mechanism that directs evolution, the production of this is what darwin considered to be tbe first step of the two-step process …

this is exerted on a population due to the environment, and is considered to be a large influence on natural selection as an agent of evolution, this …

stores bile, which helps break down food, helps the frog breathe by taking in air and getting rid of carbon dioxide, pumps blood around the body to …

what spanish word does platinum derive from?, related to _ across, what does this word translate to?, what sort of metal is platinum?, as platinum is …

adjust measuring device, to a standard, international system of units, tentative solution to a problem, use of evidence to construct testable …

a gas produced by burning carbon and organic compounds and by respiration, commonly known as table salt, a simple sugar that is an important energy …

during this phase of meiosis ii, chromosomes are separated and go to each end of the cell, during this phase of meiosis ii, four nuclei form, and the …

dna is the only known chemical that is capable of _ itself, dna contains these, which guide repair and construction of cell parts, dna contains about …

are sometimes called pyrrhophyta , meaning “fire plants”, microorganisms that show optimal growth in highly acidic environments, organisms capable …

the basic unit of matter, consisting of a nucleus and electrons, the center of an atom, containing protons and neutrons, atoms of the same element …

sugar found in adenosine triphosphate, the individual subunit of which proteins are made, composed of a central carbon atom bonded to an amino group, …

prepare phenol from chlorobenzene, synthesis of salicylic acid, convert aromatic amine to carboxylic acid, prepare phenol from benzene, distinguish …

basic unit of body structure, outer covering that encloses the cell, control centre of the cell, gel like fluid that supports a cells internal …

a protein that accelerates chemical reactions, a metabolic process that converts sugar to acids, gases, or alcohol, the process by which plants …

nearest galaxy to the milky way, bright nebula in orion's sword, red supergiant star in orion, the brightest star in the night sky, space …

hunter constellation with the "belt" stars, contains the big dipper asterism, home to the little dipper and polaris, constellation shaped …

this a is a medicine that kills bacteria, this b is an alkali that helps digest fat and neutralize stomach acid, this c is the part of a plant cell …

a double helix structure that contains adenine, cytosine, thymine, and guanine, how dna is stored inside cells, when a characteristic doesn't …

the name for when large nuclei split apart, dense metal very good at absorbing radiation, the can be lowered into a nuclear reactor to slow fission …

this is a thin covering that surrounds all cells and controls the flow of materials in and out of a cell, this jelly-like substance fills the inside …

it’s the brightest, stellar compass, featured in the movie "contact", brightest in northern hemisphere, the virgin's ear, the heart …

protein that speeds up biochemical processes, also known as the reductive pentose phosphate cycle, reduction of n2 to ammonia, energy currency of …

when the poles of a spinning neutron star sweep past the earth, we call it a _ , a neutron star with an extra strong magnetic field is called a _ , …

a cardiac assessment tool that uses ultra-high frequency sound waves to produce cardiac images, a classification of heart defects where blood exiting …

the big bang has been able to be recreated in a lab. true or false?, thermal radiation is also called _ radiation, a greater red shift tells us how …

the duration of pregnancy, where a fetus grows and develops until it is ready to be born, the male or female sex cell that can fuse together in sexual …

type of bond where atoms share a pair of electrons, distinct structure of a group of atoms, one atom of hydrogen bonded to two hydrogen atoms, these …

state of matter that does not flow, flows but cannot be compressed, a solid changing into a liquid, description of a material that is unable to …

all the bones of the body together, what the skeleton is made of, dense outer layer of the bone, where blood is made inside spongy bone, where two …