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Jobisdone [24]
3 years ago
6

Which of the following animals is successful because it moves quickly, reproduces rapidly, and has a waterproof external skeleto

n?
A. Ant
B. mouse
C. Bird
D. Squirrel
Biology
1 answer:
antoniya [11.8K]3 years ago
3 0
Ant hope this helped!!
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Soil nutrients are important to photosynthesis because they _____.
mote1985 [20]

Answer:

are the plants food

Explanation:

the nutrients is the energy for the plant, they give the plant energy.

3 0
2 years ago
The state of Florida purchased farmland from landowners in the Everglades to stop farming activities there. The farmlands were o
Olenka [21]

Answer:

A. Populations of native wetlands plants will recolonize the land.

Explanation:

From many years' wetlands are converted into farmlands as they provide retention of soil, proper food and clean water, and the cycling of nutrients. But wetlands should not be permanently converted<em> because it can increase the load on soil and add pollutants (pesticides or fertilizers) in the soil and  groundwater.</em>

If the farming stops and water flows on the land again, the native plants present in wetlands will help to recolonize the land which is disrupted by farming activities.

Hence, the correct option is A.

6 0
3 years ago
What is the average hours that a newborn baby sleeps?
rosijanka [135]

Answer:

14.to 17 hours of a 24 hour period . say the national sleep faoundation , some newbourn sleep up to 18.to 19 hours a day

3 0
2 years ago
Read 2 more answers
A student isolates a protein from anaerobic bacteria and analyses the protein by polyacrylamide gel electrophoresis containing S
elixir [45]

Answer:

The correct answer is option D.

Explanation:

In the presence of SDS single band appeared, while in the absence of SDS two bands appeared. SDS or sodium dodecyl sulfate refers to an anionic detergent, which combines with amino acid side chains providing the protein a net negative charge. It dissociates the non-covalent bonds.  

In SDS-PAGE, the separation of proteins takes place on the basis of their molecular weight. Options A and B are incorrect as only in the presence of SDS, the separation of protein subunits takes place. Option C is also incorrect as a protein containing distinct molecular weight cannot show single band.  

Option D is correct as the presence of SDS supplements a bunch of negative charges to the protein, thus, charge is not the factor. Therefore, the proteins are distinguished on the basis of the molecular weight. Thus, identical molecular weight demonstrates a single band. In the non-presence of SDS, charge performs a function along with the molecular weight, therefore, two bands appear.  

8 0
2 years ago
A new antibiotic is produced that inhibits the synthesis of acetyl-CoA and the electron transport chain in bacteria. For each gl
meriva

Answer:

36 ATPs

Explanation:

Cellular respiration starts with glycolysis wherein glucose is broken down into two molecules of pyruvate. The process of glycolysis forms two molecules of ATP by substrate-level phosphorylation for each glucose molecule. Both pyruvate molecules are converted into acetyl CoA to enter into the Kreb's cycle. Kreb's cycle forms two ATP molecules by substrate-level phosphorylation. NADH and FADH2 formed during glycolysis and Kreb's cycle are oxidized by the electron transport chain. This process also forms as many as 34 ATP molecules. If acetyl CoA is not formed, the total ATP gain per glucose will be only 2 ATP molecules (from glycolysis only) which is 38-2= 36 less than the total.

3 0
3 years ago
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