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Mariulka [41]
3 years ago
15

How do viruses cause disease?

Biology
2 answers:
xz_007 [3.2K]3 years ago
6 0
The third option, destroying cells
Elena-2011 [213]3 years ago
6 0
Yh I think it’s the third one because viruses usually invade our cells and also replicate
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When measuring the weight of individuals in a population of ground squirrels, what tools would be most appropriate
olchik [2.2K]

There are many ways to estimate ground squirrel numbers. The most common and popular monitoring technique is the combination of electronically recorded stress calls and visual counts where ground squirrels respond physically, vocally or both. You simply count the number of squirrels in a 100m by 100m area that respond to a hand-held imitation ground squirrel call tool.


<span>I hope this helps, Regards.</span>

5 0
3 years ago
Use the drop-down menus to complete each sentence.
suter [353]

Answer:

The correct answer would be - 1. group 2.period 3. less 4. more

Explanation:

elements that have a place with same group contains same number of valence electrons. Thus, they will in general show comparable chemiccal properties.  

At the point when we move over a period at that point number of electrons get added to a similar shell. Therefore, there will be no expansion in size of elements.  

Additionally, metals are the elements that have a place with group 1, 2 and d-block group are otherwise called metals. Metallic character of elements diminishes when we move left to directly in a periodic table.  

As most responsive metals are put on the left half of occasional table.  

Since, size of elements increases on descending the groups. Along these lines, a elements can lose its valence electrons due to the less forrce of ttaraction between valence electrons and its neucleus.

7 0
3 years ago
When DNA Is duplicated from mRNA which DNA, mRNA uses a __ nucleotide instead of T.
vredina [299]

Answer:

1. When DNA is duplicated from mRNA which DNA, mRNA uses a <u>U</u> nucleotide instead of T.

2. If the mRNA sequence is GUACUGUAC, the DNA Sequence is <u>CATGACATG</u>.

Explanation:

1. The only thing that changes from a DNA sequence to an RNA sequence is that the thymine (T) in DNA is changed to Uracil (U) in RNA.

2. There should be no Uracil (U) in a DNA sequence–– only ATCG. Just matching with the given pairings.

G can transcribed to C.

C can be transcribed to G.

A can be transcribed to T.

U can be transcribed to A.

4 0
3 years ago
A normal female X H X H marries a man who has hemophilia.
Citrus2011 [14]

Answer:

0%

Explanation:

Normal female genotype = X^HX^H

Genotype of a man with hemophilia = X^hY

Crossing the two in marriage:

X^HX^H   x   X^hY

Progeny: X^HX^h, X^HY, X^HX^h, and X^HY

<em>The two sons from the cross have the genotype </em>X^HY<em> and are therefore free from hemophilia.</em>

Hence, the percentage of their sons that will have hemophilia is zero (0).

6 0
3 years ago
Organize the path flowing in mammals: starting with deoxygenated blood located in the right ventricle of the heart:
Ksju [112]
PULMONARY ARTERIES! this is correct.
8 0
3 years ago
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