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kiruha [24]
3 years ago
5

1) Base your answer on the information and data table below and on your knowledge of biology.

Biology
1 answer:
skelet666 [1.2K]3 years ago
6 0

Answer:

A) intensity of light

Explanation:

The independent variable is the thing being changed. A dependent variable is the effect caused by that change

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Which characteristic of water allows its molecules to form hydrogen bonds?
a_sh-v [17]

Answer:

b. The water molecule is polar.

Explanation:

Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions.

5 0
3 years ago
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A student inoculates a gelatin tube and places it at 37C for the week. When he comes back he takes the tube out of the incubator
ycow [4]
<h2>Gelatin </h2>

Explanation:

Gelatin is a differential medium which tests the ability of an organism to produce an exoenzyme, called gelatinase (this enzyme hydrolyzes gelatin)

When gelatin is at a temperature below 32°C (or within a few degrees thereof), it is a semisolid material and at temperatures above 32°C, it is a viscous liquid

When gelatin is broken down, it can no longer solidify and if an organism can break down gelatin, the areas where the organism has grown will remain liquid even if the gelatin is refrigerated

No the conclusion by student is not right because the tube must be runny after incubation followed by refrigeration to be considered gelatinase positive

3 0
3 years ago
In horses, Chesnut hair color is recessive to black. The pacing gait is recessive to trotting and long hair is recessive to shor
Vitek1552 [10]

9:3: 3:1  is the phenotypic ratio showing traits as black and long hair : black and short hair: chestnut and long hair: chestnut and short hair when a chestnut horse heterozygous for pacing and hair length with a hybrid horse.

Explanation:

Dominant trait = black hair colour (BB,Bb), trotting (TT,Tt) , long hair (LL,Ll)

recessive trait = chesnut hair colour (bb), pacing gait (tt), short hair(ll)

cross between chestnut horse heterozygous for pacing and hair length will have alleles as BbLl

alleles for hybrid horse will also be heterozygous Bb, Ll

Punnett square to show the cross:

      BL         Bl       bL         bl

BL  BBLL  BBLl     BbLL    BbLl

Bl   BBLl    BBll     BbLl      Bbll

bL  BbLL  BbLl      bbLL     bbLl

bl    BbLl  Bbll       bblL        bbll

phenotype ratio

black and long hair : black and short hair: chestnut and long hair: chestnut and short hair

9:3: 3:1  is the phenotype ratio.

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3 years ago
What is species richness?(1 point)
olganol [36]

Answer: B, the number of species in a community

Explanation:

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3 years ago
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1.interphase 2.prophase 3.metaphase 4.anaphase 5.telophase
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