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Many genes are redundant, since knocking out some genes result in <mask> obvious phenotype.
4no
Most desktop computers have at least <mask> banks.
10two
Most corporate bonds have a maturity of <mask> years or less.
1five
Spells come from <mask> different schools of magic - light, dark, fire, and water.
2four
Black cutworm has <mask> tubercles of unequal diamter on the top of each body segment.
2four
China is home to <mask> out of every five people on earth.
5one
China is home to one out of every <mask> people on earth.
1five
Plants produce <mask> types of stems.
10two
Pharmacists dispense nearly <mask> billion prescriptions a year.
9three
Aromatic oil comes in a <mask> milliliter bottle.
8ten
Rice hulls are quite stable, lasting up to <mask> years in the soil.
8ten
Harvest is usually after <mask> seasons of growth.
10two
Power is derived from <mask> sources, money and people.
10two
Puffins have <mask> sets of eyelids, inner and outer.
10two
Swedes generally get <mask> weeks of vacation each year and much of it is spent outdoors.
1five
Rabbits can live for <mask> years or more .
1five
Cricket usually lays about <mask> eggs, one every other day for ten days.
1five
Cricket usually lays about five eggs, <mask> every other day for ten days.
5one
Cricket usually lays about five eggs, one every other day for <mask> days.
8ten
Mice are fertile animals because female mice come into heat every <mask> to five days.
2four
Mice are fertile animals because female mice come into heat every four to <mask> days.
1five
Malaria is caused by <mask> species of Plasmodium, a unicellular protozoan.
2four
Catalysts are specific for only one or <mask> reactions.
10two
Forests are made up of at least <mask> strata of vegetation.
9three
Mothers suckle only their own babies, and the young stop nursing anywhere from <mask> to five months.
5one
Mothers suckle only their own babies, and the young stop nursing anywhere from one to <mask> months.
1five
Stem cells form within <mask> days of conception.
2four
Willows do well on moist, well drained soils and tolerate flooding for up to <mask> weeks a year.
9three
Cold soups come in <mask> different varieties.
9three
Whales perform <mask> activities while swimming.
2four
Thoroughbreds have <mask> natural gaits-walk, trot, canter and gallop.
2four
Shamrocks can be <mask> of four leafs.
9three
Shamrocks can be three of <mask> leafs.
2four
Bimolecular steps involve the collision of <mask> reacting molecules.
10two
Marriage is the physical and spiritual union of <mask> people.
10two
Tobacco smoke contains more than <mask> thousand substances, most of which are harmful.
2four
Rattlers carry the eggs for <mask> or seven months before giving birth.
7six
Rattlers carry the eggs for six or <mask> months before giving birth.
6seven
Soy protein provides all <mask> missing amino acids, making it a complete protein.
3nine
Steroids are lipids whose basic structure is that of <mask> connected hydrocarbon rings.
2four
Dens are of <mask> types depending on water level fluctuations.
10two
Partnerships are like marriages, and they take <mask> months to a year to really develop.
7six
Baryons contain <mask> quarks while mesons contain only two quarks.
9three
Baryons contain three quarks while mesons contain only <mask> quarks.
10two
Most daylilies bloom for <mask> to six weeks.
2four
Most daylilies bloom for four to <mask> weeks.
7six
Some penguins stay in the water for up to <mask> months without coming to land.
1five
Bowhead whales are slow swimmers and usually travel alone or in small herds of up to <mask> animals.
7six
Mitochondrial function depends upon the coordinate action of <mask> genomes.
10two
Fleeces weigh <mask> to ten pounds and have a staple length of six to twelve inches.
1five
Fleeces weigh five to <mask> pounds and have a staple length of six to twelve inches.
8ten
Fleeces weigh five to ten pounds and have a staple length of <mask> to twelve inches.
7six
Chicks take <mask> years to develop full adult plumage.
1five
Kinetic energy consists of <mask> types of energies.
9three
Cinnabar exists in <mask> crystal forms.
10two
Aquatic adults have prominent red reathery gills, are large, and have <mask> toes on each foot.
2four
Reds mature well for <mask> to eight years.
7six
Reds mature well for six to <mask> years.
0eight
Female elands reach sexual maturity at <mask> years of age.
9three
Cluster flies are covered with fine golden hairs and have <mask> stripes on the thorax.
4no
Frequent heartburn is defined as heartburn symptoms <mask> or more times per week.
9three
Heart disease is <mask> times more common amongst smokers.
9three
Llamas stand about <mask> feet high at the shoulders.
2four
Organic chemistry is a <mask> dimensional science.
9three
Scientists make monoclonal antibodies by fusing <mask> kinds of cells.
10two
Austrian children are already brand-conscious when they are <mask> years old.
9three
Yoga is <mask> less magical than the power of life itself.
4no
Barn owls live from <mask> to seven years.
1five
Flies normally have <mask> copies of the trp gene.
10two
Orchids fall into <mask> categories, species and hybrids.
10two
Most trilliums have three, <mask> or six petals and are white, pink or red.
1five
Most trilliums have three, five or <mask> petals and are white, pink or red.
7six
Snow leopards eat almost anything they can catch, often hunting animals <mask> times their size.
9three
Bougainvilleas are thorny and grow huge some reaching more than <mask> stories in height.
9three
Seaweed shares <mask> diseases with land plants.
4no
Earwigs produce <mask> or two generations every year.
5one
Earwigs produce one or <mask> generations every year.
10two
Many people have <mask> symptoms when the disease first arises.
4no
Love is a marriage of <mask> hearts and two souls.
10two
Love is a marriage of two hearts and <mask> souls.
10two
Sharks also have gill slits on their heads rather than gill covers - typically <mask> on each side.
1five
Cactus wrens can have as many as <mask> broods every season.
9three
Ciliates are single-celled eukaryotes with <mask> nuclei.
10two
Parsnips provide lots of healthy fibre - more than <mask> times as much as potatoes.
2four
Wolves can travel <mask> miles in an hour.
1five
Nymphs have six legs, and adults have <mask> legs.
0eight
Some earthworms have as many as <mask> hearts.
8ten
Pinks reach maturity in <mask> years.
10two
Sunflower oil costs about <mask> times more than diesel fuel.
10two
Snakes have <mask> eyelids or external ears.
4no
Rabbits have <mask> pairs of scent glands used in scent-marking behavior.
9three
Most women are able to go home <mask> to twelve hours after the abortion.
7six
Diabetic women have up to <mask> times as many malformed babies as other women.
0eight
Women are <mask> times more likely to experience SAD than men.
9three
Inflorescences are a group of <mask> to eight flowers on unbranched flowering stalks.
5one
Inflorescences are a group of one to <mask> flowers on unbranched flowering stalks.
0eight
Ceremonial magic is used for <mask> kinds of purposes.
10two
Cheetahs are pregnant for about <mask> months, and it looked like the breeding took.
9three
Animals belong to the largest and most diverse of the <mask> kingdoms of living things.
1five
Potassium helps maintain fluid regulation and normal pH. All <mask> help normalize.
9three