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lana66690 [7]
3 years ago
11

Gram-positive and gram-negative bacteria are most commonly differentiated in the laboratory by __________.

Biology
1 answer:
alisha [4.7K]3 years ago
8 0
Gram staining
Gram-positive turns pink or red
Gram negative turns dark blue or purple
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Which statement describes how diffusion works? answer for edgenunity ​
Gelneren [198K]

Answer:

Diffusion is the movment of particles from an area of high concentration to a low concentration down a concentration gradient

7 0
2 years ago
What is the significance of a global mean=53?​
tankabanditka [31]

Answer:What is the significance of a Global Mean = .53? Now make an evidence supported claim on your student handout

Explanation:

3 0
2 years ago
Insect hormones and their receptors ________. A. act independently of each other B. are a focus in pest control research C. util
Leokris [45]

Insect hormones and their receptors are a focus in pest control and research. Hence, Option B is correct.

Some of the insect hormones such as ecdysone (molting hormone), JH (juvenile hormone) and their analogs can be used for biological  control of pests.

Option A: Hormone receptors are proteins that bind hormones and form hormone receptor complex to maintain cellular activities.

So Option A is incorrect.

Option B: Some of the peptide hormones used in pest control and research. So Option B is correct.

Option C: Peptide hormones interact with only cell surface whereas aminoacid derivatives and thyroid hormones directly interact with nucleus. so Option C is incorrect.

option D is incorrect.

Learn more on hormone receptor complex here:

brainly.com/question/15241630?utm_source=android&utm_medium=share&utm_campaign=question

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3 0
1 year ago
Design an experiment to determine whether the pink flower of petunia plants results from incomplete dominance.
anzhelika [568]

Answer:

To cross petunia plants/lines with pink flowers (F1) which were obtained by crossing plants with red and white flowers (parental generation). The presence of petunia plants with red or white flowers in F2 would evidence that this trait is under incomplete dominance.

Explanation:

Incomplete dominance is a type of relationship in which both alleles are expressed in heterozygous individuals, thereby resulting in a new phenotype. This type of allelic interaction is commonly referred to as 'the dilution of the dominant allele' in heterozygous individuals. Moreover, codominance refers to a type of allele relationship in which both alleles are expressed to an equal degree in heterozygous individuals.

5 0
3 years ago
What would happen to a flower if it had dark petals or no petals at all?
nadya68 [22]

Answer:

it might catch to much sun with black petals or no sun at all with none so in other words it  would probably die.

Explanation:

white reflects heat, black attracts heat

4 0
3 years ago
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