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4vir4ik [10]
3 years ago
13

A scientist has chosen to study how rain can cause flooding along the Mississippi River. Which type of model is most appropriate

for his investigation?
Biology
2 answers:
galina1969 [7]3 years ago
4 0
<span>   computer simulation bar graph chemical equation and small scale object</span>
masha68 [24]3 years ago
3 0
Is there a list of answers you can choose from?
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A DNA chip OR DNA microarray can be used to A. mutate genes of interest B. isolate genes from eukaryotic cell nuclei C. assay pr
Ugo [173]

Answer:

isolate genes from eukaryotic cell nuclei C.

Explanation:

A DNA microarray (also commonly known as DNA chip or biochip) is a collection of microscopic DNA spots attached to a solid surface. Scientists use DNA microarrays to measure the expression levels of large numbers of genes simultaneously or to genotype multiple regions of a genome

In an mRNA or gene expression profiling experiment the expression levels of thousands of genes are simultaneously monitored to study the effects of certain treatments, diseases, and developmental stages on gene expression. For example, microarray-based gene expression profiling can be used to identify genes whose expression is changed in response to pathogens or other organisms by comparing gene expression in infected to that in uninfected cells or tissues.

6 0
3 years ago
Enlist the significance of reproduction
Naddik [55]
To ensure the continuity of the species
increase variation in species for natural selection to occur
7 0
3 years ago
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Which statement about carbohydrates is true?
frez [133]

Answer:

B. Carbohydrates provide energy for living things.

Explanation:

5 0
3 years ago
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A biochemist isolates and purifies various molecules needed for DNA replication. When she adds these molecules to DNA, replicati
olga55 [171]

Answer:

DNA ligase

Explanation:

<em>The biochemist must have left out DNA ligase enzyme.</em>

<u>The DNA ligase enzyme is able to catalyze the formation of phosphodiester bonds and as such, capable of joining strands of DNA together to form a single strand.</u>

The numerous DNA segments of a few nucleotides long observed by the biochemist must have been the replicated product of the lagging DNA strand. The lagging strand is replicated discontinuously in short strands because the DNA polymerase enzyme can only elongate primers in 5' to 3' direction. The short segments are known as Okazaki segments and are usually joined together to form a whole strand by the DNA ligase enzyme.

Hence, the missing component is the DNA ligase.

3 0
3 years ago
On the colorful map, in general, where is the youngest crust located?
kari74 [83]

Answer:

On the red parts of the map

Explanation:

The map shows that the red parts are the youngest.

7 0
3 years ago
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