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Scrat [10]
2 years ago
13

Which is an example of a Gram-negative bacteria?

Biology
1 answer:
vova2212 [387]2 years ago
8 0

Answer:

Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wall sandwiched between an inner cytoplasmic cell membrane and a bacterial outer membrane.

Explanation:

Hope this helps! :)

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Question is in picture
mojhsa [17]

Answer:

  • it can show a population pyramid  
  • They also show the number of dependents (children and, sometimes, elderly people) and general structure of the population at any given moment.
  • it compares and contrast  the age of th female and male where it typically forms the shape of a pyramid when the population is growing which can give you a  general idea on both genders
  • it can help see who (female or male) are the most type in that area

Credit:

  • brainly.com/question/23995769

4 0
2 years ago
Washington crosses the Delaware on Christmas night, 1776 to surprise the Hessian mercenaries at Trenton true or false?
Troyanec [42]

The correct answer is True.

3 0
3 years ago
Read 2 more answers
Side A and side B have 20 ml of water (There is a semi-permeable membrane in between that only allows water through), side A has
Varvara68 [4.7K]
<span>There is more sugar on side B the water to sugar ratio is lower so the water from side A will balance out the ratios between side A and B by moving across the membrane because </span>the sugar molecules cannot diffuse through the membrane, the water has to go to the sugar, therefore, we have to lower the concentration of the sugar.
3 0
3 years ago
Cual de las siguientes opciones define mejor la interacción ecológica entre la planta y las polillas
Tomtit [17]

Answe

Explanation:

Cual de las siguientes opciones define mejor la interacción ecológica entre la planta y las polillas

5 0
3 years ago
Thousands of years ago, giraffes with short necks were common within giraffe populations. Nearly all giraffe populations today h
LiRa [457]

<u>Full question:</u>

Thousands of years ago, giraffes with short necks were common within giraffe populations. Nearly all giraffe populations today have long necks. This difference could be due to

giraffes stretching their necks to keep their heads out of reach of predators

giraffes stretching their necks so they could reach food higher in the trees

a mutation in genetic material controlling neck size occurring in some skin cells of a giraffe

a mutation in genetic material controlling neck size occurring in the reproductive cells of a giraffe

<u>Answer:</u>

This difference could be due to:a mutation in genetic material controlling neck size occurring in the reproductive cells of a giraffe

<u>Explanation:</u>

The primary short-necked forms contained large, mutable populations. Following the selection pressure of desiccations and leaf deficiencies, those changes with longer necks and forelegs sustained and repeated preferentially. In this procedure, throughout generations, these large mammals have occurred, being acclimated to their unique environment .

Lamarckian theory illustrated giraffe neck metamorphosis by showing that consistent stretching gradually extended their necks, and that they then moved on these propitious longer necks to their offspring. Environment and other variations created the extirpation of the eurasian giraffids, but various African species endured.

8 0
3 years ago
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