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3 years ago

Instead of roots non vascular plants have threadlike structures called?

Biology

1 answer:

Alika [10]3 years ago

3 0

Instead of roots, threadlike structures called rhizoids.

have a nice day:)

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From the time a baby is born, what is she or he eager to do?

marusya05 [52]

Answer:

D. Play with her parents, primary caregivers, and toys

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3 years ago

A sample compound with a molar mass of 34.00g/mol is found to consist of 0.44g H and 6.92g O. Calculate both empirical and molec

ipn [44]

Answer:

Empirical: OH

Molecular: $H_{2} O_{2}$

Explanation:

First of all, we are going to use the formula: mass = no. moles x Molar Mass And rearrange it to find No. moles: No. moles = mass/Molar Mass

Let's start with Hydrogen:

The given mass is 0.44g, and hydrogen's molar mass is 1.01, therefore the number of moles is: 0.44/1.01 = 0.4356

Now we do the same for Oxygen:

Given mass = 6.92, Molar mass of Oxygen = 16.00, No. Moles = 6.92/16.00 = 0.4325

Now we identify the smaller one (Oxygen as 0.4325 < 0.4356) and we divide both values by that number:

0.4325/0.4325 = 1

0.4356/0.4325 = 1.01

We round both to the nearest 0.2 or 0.25 (depending on what you're taught), and we get: 1 and 1.

This means that the empirical formula has one of each: OH

Now to find the molecular formula we find the relative mass of OH and divide the given mass by that:

M(OH) = 16.00+1.01 = 17.01

34.00/17.01 = 2

We now multiply both by this number to get:

$H_{2} O_{2}$

Hope this helped!

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3 years ago

How is the DNA in a prokaryote different from the DNA in a eukaryote

eimsori [14]

Answer:

Eukaryotes consist of membrane bound nucleus whereas prokaryotes lack a membranebound nucleus. Prokaryotic DNA is doublestranded and circular. ... The main difference between prokaryotic and eukaryotic DNA is that prokaryotic DNA is found in the cytoplasm whereas eukaryotic DNA is packed into the nucleus of the cell.

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3 years ago

Read 2 more answers

17. The mass of the products of a chemical reaction the mass of the reactants.

attashe74 [19]

D is the right answer!!!! Hope I helped

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3 years ago

Which of the following statements concerning viruses is true? View Available Hint(s) Which of the following statements concernin

weqwewe [10]

Answer:

The correct answer is "The "host range" for a virus is determined by the presence or absence of particular components on the surface of a host cell that are required for the virus to attach".

Explanation:

The missing option of this question is the one that is correct, which is "The "host range" for a virus is determined by the presence or absence of particular components on the surface of a host cell that are required for the virus to attach". A virus is able to infect by recognizing particular components that are present in the surface of the host cell. If this components are absent in the cell, the virus is not able to infect it. Therefore, the "host range" is determined by the presence or absence of this particular components.

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3 years ago

Instead of roots non vascular plants have threadlike structures called?​

Instead of roots non vascular plants have threadlike structures called?