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Alenkinab [10]
3 years ago
9

If the potential genotype is eeww, what are the potential allele combinations that could occur at the end of meiosis?

Biology
1 answer:
vovangra [49]3 years ago
4 0
The answers are : EW, Ew, eW, ew
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Which is a question which science cannot answer?
SVETLANKA909090 [29]

Answer:

When the next earthquake will happen

Explanation:

science cannot predict exactly when something like that will happen.

5 0
3 years ago
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Assume you inoculated 100 cells, with a generation time of 20 minutes, into 100 ml of nutrient broth. You then inoculated 100 ce
Mice21 [21]

Answer:

the same number of cells in both.

Explanation:

Nutrient broth is a general purpose medium that can be used to cultivate different variety of both fastidious and non-fastidious microorganisms.

Nutrient broth is known to contain or compose of simple peptone and a beef extract.

It is known to be used for bacteria that will not form colonies  on a solid surface.

Nutrient broth can be prepared through this following steps

* Add 13g of nutrient broth powder  in 1L of distilled water.

* Mix and dissolve them completely.

* Pour them into the final containers (eg. conical flask)

* Sterilize by autoclaving at 121°C for 15 minutes.

In this case, since the 100 ml  and 1000 ml is prepared using the same method, it is expected to have the same number of cells in the same volume of the broth.

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3 years ago
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Without plants, how well would a wetland filter water?
Serjik [45]
Not very good because one wetland needs a lot of oxygen and two the plants will give nutrients to the soil to make it rich and... Wet

Can you please put this as brainliest answer?
3 0
3 years ago
The trp and lac operons are regulated in various ways. how do bacteria regulate transcription of these operons?
Vlada [557]

Operon is not transcribed:

-lac operon: lactose absent

-trp operon: tryptophan present

Positive control transcription of Operon does not speed it up:

Lactose and glucose are present, -lac operon

Tryptophan is lacking in the -trp operon.

Operon is transcribed quickly through positive control:

-lac operon: lactose present, glucose not

Only negative control is used to regulate the trp operon. The operon genes are not transcribed when tryptophan is present.

Both positive control and negative control are used to control the lac operon.

Negative control: —Transcription is inhibited when lactose is missing due to the activity of the repressor protein.

—The repressor protein is deactivated and transcription is triggered when lactose is present.

Positive control: —In the absence of glucose, another regulatory protein (CAP) attaches to the lac operon's promoter, speeding up transcription in the presence of lactose.

Learn more about lac operons here:

brainly.com/question/1695549

#SPJ4

7 0
2 years ago
Match each organism with its phylum Pines Ephedra Palm-like plants Trees with fan-shaped leaves A. Gnetophyta B. Ginkgophyta C.
solong [7]

Answer:

Ginkgophyta

Explanation:

Gymnosperms are cone-bearing trees or Woody plants, which do not different greatly in their structure from the Woody angiosperms. Gymnosperms do not produce flowers but as seed plants that bear their seeds on scale-like leaves which are arranged spirally to form cones. The seeds are termed naked seeds because they are exposed to the air on the surfaces of the cone scales.

Gymnpsperms are grouped into four major divisions namely:

*Ginkgophyta

*Cycadophyta

*Corniferophyta

*Gnetophyta

1)DIVISION GINKGOPHYTA:The ginkgo tree cared maiden hair is the only surviving member of this division. It is found in the Orient(China and Japan) where it is cultivated as an ornamental tree because of the fan-like leaves. The leaves are *fan-shaped* with long petrioles.

2)DIVISION CYCADOPHYTA:The cycads abound in the tropics, mainly as ornamental plants. They are *palm tree-like* plants with a crowded crown of palm fronds.The leaves of Cuba's are deep green,waxy with large petioles.

DIVISION CONIFEROPHYTA:This is the largest group of Gymnosperms as it includes some of most economically exploited plants such as *pines* and Jupiter's. The pine tree is important as Christmas tree and conifers are generally important in the production of wood and paper

DIVISION GNETOPHYTA:This is the group of very unique Gymnosperms made up of three genera:Gnetum,*Ephedra* and Welwitschia.

Ephedra is a profusely branched shrub found in desert regions. It has whorl-like, scale-like, or needle -like leaves and jointed stem.

Hence, matching each with its phylum, we have:

Gingkophyta:Fan-shaped leaves

Cycadophyta-Palm-like leaves

Coniferophyta:Pine

Gnetophyta:Ephedra

5 0
3 years ago
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