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aleksandrvk [35]
3 years ago
12

Xperiment 4: capsule stain which bacteria has a white ring around the cells? e. coli

Biology
1 answer:
stira [4]3 years ago
6 0
Bacillus subtilis
Bacillus anthracis ( contains polypeptide capsule)
Streptococcus pneumoniae
Klebsiella pneumoniae
Haemplhilus influenza
Clostridium perfingens
Neisseria meningitidis
Pseudmonas aeruginosa
Acenetobacter calcoaceticus
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Explain how and why hypertonic, isotonic, and hypotonic solutions affect plant and animals cells?
lesya692 [45]
When placed into an hypertonic solution, animal cells will shrivel up, while plant cells will stay firm thanks to their air-filled vacuole. In a hypotonic solution, the cells will take on water and appear more plump. In an isotonic solution, they'll stay the same.
3 0
3 years ago
The frequency of autosomal alleles K and k in a large population of snails is 0.6 and 0.4. What is the approximate genotypic fre
Flura [38]

Answer:

Option (b).

Explanation:

The frequency of alleles K and k in population are 0.6 and 0.4. The inbreeding coefficient is 0.3.

The heterozygote frequency can be calculated by the formula:

F = \frac{2Kk-H}{2Kk}

Here, K = 0.6, k= 0.4, F = 0.3 and H = approximate genotypic frequency of heterozygote Kk.

Put the values in the above formula

0.3 = \frac{2\times2\times0.6\times0.4-H}{2\times0.6\times0.4}

H = 0.36 ≈ 0.34.

Thus, the approximate genotypic frequency of the heterozygote Kk is 0.34.

Hence, the correct answer is option (b).

5 0
3 years ago
All cells have _____. (Select all that apply.) an outer membrane or plasma membrane cytoplasm a cell wall a nucleus protoplasm l
alexgriva [62]
Plasma membrane
cytoplasm
nucleus
protoplasm
3 0
3 years ago
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tangare [24]

Answer:

B

Explanation:

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3 0
3 years ago
T
Mnenie [13.5K]

Answer:

1. Birds in the chaparral biome have adapted to living (C)on the ground.

2. The aromatic oils of chaparral shrubs: All of the above

Explanation:

1. birds are adapted to live on the ground and prey during night time.

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