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Stolb23 [73]
4 years ago
7

You have isolated a newly discovered viral strain and sequenced its genome. The genome contains 30% adenine, 40% guanine, 25% cy

tosine, and 5% thymine. You conclude that the virus has a single-stranded DNA genome. Based on what evidence can you make this conclusion?
Biology
1 answer:
Ber [7]4 years ago
7 0

Answer:

It is a single stranded DNA since adenine percentage is not equal to that of thymine and the percentage of guanine is not equal to cytosine.

Explanation:

According to Chargaff rule, the amount of adenine in a double-stranded DNA is always equal to that of thymine. This is due to the fact that adenine pairs with thymine in a double-stranded DNA. Likewise, the amount of guanine is always equal to that of cytosine in a double-stranded DNA.

The percentage of four types of bases in the genome of the virus does not follow the Chargaff rule and hence, it is a single-stranded DNA.  

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Cellular respiration continues in the mitochondria of the cell with the _____________ cycle and the electron transport chain
malfutka [58]

Answer:

Cellular respiration continues in the mitochondria of the cell with the <u>Krebs</u> cycle and the electron transport chain.

Explanation:

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5 0
3 years ago
Topper Corporation has 60,000 shares of $1 par value common stock and 16,000 shares of cumulative 7%, $100 par preferred stock o
Fynjy0 [20]

Answer:

so correct option is B. $341,000

Explanation:

given data

shares = 60,000

common stock = $1 par value

shares  = 16,000

rate  7%

stock outstanding = $100 par preferred

dividend = $1.95 per share

solution

we know that when preferred stock is cumulative than there pay last year prefer dividend in this year with addition of dividend this year

so here

Preferred dividend will be

Preferred dividend  = 16,000 shares × 7% ×  $100 par

Preferred dividend = $112,000

and

he pay in preferred dividend = $112,000 + $112,000

pay in preferred dividend = $224,000

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he pay dividend to common stockholders is

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pay dividend to common stockholder = $117,000

so that here total dividends payable will be

total dividends payable = $224,000 + $117,000

total dividends payable = $341,000

so correct option is B. $341,000

4 0
4 years ago
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