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horrorfan [7]
3 years ago
10

13. Jane wants to figure out which of two foods is the healthiest for her pet gerbil, Bob, so she decides to conduct an

Biology
1 answer:
Svetach [21]3 years ago
7 0

Answer:

The type of food Bob is given.

Explanation:

An independent variable in an experiment is the variable that is changed. Here, the type of food is the only thing that is changed and the amount of water, temperature and other variables were kept constant (same). Thus, the independent variable is the type of food Bob is given.

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Condensation affects weather by
Leviafan [203]

They change the air from water vapor (gas) to liquid water. This can produce clouds you see in the sky or dew or fogs.

5 0
3 years ago
How does a planet’s orbital radius relate to its period?
Volgvan

Answer:

hope this helps :)

Explanation:

Kepler's Third Law: the squares of the orbital periods of the planets are directly proportional to the cubes of the semi major axes of their orbits. Kepler's Third Law implies that the period for a planet to orbit the Sun increases rapidly with the radius of its orbit.

6 0
3 years ago
All of the following are differences in transcription, RNA processing, and translation between prokaryotes and eukaryotes except
Mazyrski [523]

Answer:

the mRNA goes through extensive modifications such as addition of a poly tail and a 5' cap in eukaryotes but not in prokaryotes.

Differences:

- the promoters in prokaryotes have a -35 and -10 box while in eukaryotes they are variable but have a TATA box from  

- the transcription initiation site there is a single RNA polymerase in prokaryotes while eukaryotes have multiple RNA polymerases

- the sigma factor associates with the promoter region in prokaryotes but in eukaryotes there are many basal transcription factors

Explanation:

Ribosomal and transfer RNAs are processed both in prokaryotic and eukaryotic organisms. However, mRNA is only processed in eukaryotes. In eukaryotic cells, mRNA processing involves:

1. Capping at the 5' end. This process has several functions including regulation of nuclear export, prevention of eukaryotic mRNA degradation and promotion of translation.

2. Splicing in order to remove introns and conserve coding exons. Splicing helps to increase the diversity of the eukaryotic mRNAs (and therefore eukaryotic proteins)

3. Polyadenylation by the addition of a poly(A) tail at the 3' end. The poly(A) tail makes the eukaryotic mRNA molecule more stable and also prevents its degradation by exonucleases.

8 0
3 years ago
A factor that can change in an experiment is called
zalisa [80]
Its called the independent variable I think. 
7 0
3 years ago
Considerando la explicaciones que propone Darwin en la teoría de la evolución argumenta en en un thrash de la información los la
IgorC [24]

Answer:

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5 0
3 years ago
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