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Dvinal [7]
2 years ago
11

Many farmers and gardeners compost their plant and animal waste. The living material naturally decays in compost bins, forming a

 dirt-like substance that’s rich in nutrients. The next season, farmers use this substance as a natural fertilizer for their crops.
A biology student has grown tomato plants for several years. Until now, he used an artificial fertilizer formulated for tomato plants. This fertilizer caused his plants to grow faster and taller than they grew in unfertilized soil. The student wants to know whether using natural compost will cause his tomato plants to grow faster and taller than his artificial fertilizer



Choose one of the hypotheses to make a prediction
​
Biology
2 answers:
Inessa [10]2 years ago
8 0

Answer:

The student has observed that artificial fertilizer makes his plants grow faster and taller than plain soil. He knows that compost is a natural fertilizer. So, he infers that compost will make his plants grow at a faster rate than they grow in plain soil.

Explanation:

its the exact answer from sample answer

pav-90 [236]2 years ago
5 0

Answer:

This question is asking to formulate a hypothesis for the experiment in the question. A hypothesis is:

IF natural compost is used instead of artificial fertilizer, THEN the tomato plants will grow faster and taller than when artificial fertilizer was used.

Explanation:

In an experiment, a hypothesis is formulated to provide a possible explanation or solution to an observed problem or question. The hypothesis must be testable or falsifiable via an experimentation.

In this experiment involving a biology student who is trying to find out if using natural compost will cause his tomato plants to grow faster and taller than his previously used artificial fertilizer. A possible hypothesis for this experiment goes thus:

IF natural compost is used instead of artificial fertilizer, THEN the tomato plants will grow faster and taller than when artificial fertilizer was used.

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Which situations would be most likely to engage the anterior cingulate cortex?
maria [59]

Answer:

Which of the following situations would be most likely to engage the anterior cingulate cortex?

A waiter walks over to your table at a restaurant and holds an open menu in front of you.

You walk into the elevator of your apartment building and press the button for your floor.

You enter your classroom and find someone sitting in your usual seat.

A good friend asks you to remind him of your telephone number.

Explanation:

In order to meet the demand of the surrounding environment   by adjusting  the  motor outputs from the brain to the environments ,a part of the emotion control part of the brain( limbic system) called the anterior cingulate cortex is responsible for this.

Anatomically, the limbic system is made up of the primarily the amygdala, hippocampus, thalamus, hypothalamus, basal ganglia and cingulate gyrus.

Based on the this its(anterior cingulate cortex) functions are formation of emotion in the limbic system, and  possessing  of memory and learning.

it is also a major  parts of  of pain networks for pain modulation and perception.

Therefore whenever there is  change in the environment  from the prestored condition in the brain,(e.g the usual seat  in the class room  occupied above) the anterior cingulate cortex adjust the motor input from the brain to adapt to the new environment to take an action,whih in this case  leads to the reclaiming of the seat or any other necessary proactive action.

4 0
2 years ago
The cells of plants and animals are similar, except for a few different structures. Which structures are only found in plant cel
larisa [96]
Large central vacuoles, chloroplasts, and cell walls are only found in plant cells.

Large central vacuoles store nutrients and waste products, but they also maintain the plants' structures.

Cell walls also maintain structure and rigidity.

Chloroplasts are used in the process of photosynthesis, which only occurs in plants.
5 0
2 years ago
In Zambia, which lions are likely to have migrated from a different population?
Margaret [11]
Zambian lions are split into two subpopulations, with one in the Greater Kafue Ecosystem in the west and the other in the Luangwa Valley Ecosystem in the east. Between these two geographically different regions lies Lusaka, Zambia's largest city, which is surrounded by farmland. males travel long distances to find new prides, while females remain in or close to the pride they were born in. So, for the lion, it's primarily males that are responsible for the movement of genes between prides. This male-mediated gene flow explains the lack of gene flow seen in mitochondrial genes compared to that of nuclear genes—female lions aren't making the journey, but they do mate with new males who come from far away.

Tried sorry
4 0
2 years ago
Eubacteriaudents research unicellular, prokaryotic organisms that live in harsh environments such as volcanic hot springs, brine
yKpoI14uk [10]

Answer: The correct option is A

Archae bacteria are extremophiles which thrive in extremely environment.

Explanation:

Extremophiles are organisms that inhabit extreme environments. They thrive in hot niches, ice, and salt solutions. Some of them grow in toxic waste, organic solvents and heavy metals. Extremophiles include members of all domains of life which are bacteria, archea,and eukaryotes. Out of these three members of extremophiles, archea are the main group of microorganisms to thrive in extreme environments. This is because the archea are skilled in adapting to different extreme conditions than bacteria and eukaryotes.

Archea are hyper thermophilic microorganisms.

3 0
2 years ago
1. You are studying an integral membrane protein of the plasma membrane. It has a single transmembrane domain and the N-terminal
Drupady [299]

Answer:

A 22 to 25 amino acid sequence present in the central section of the protein, which gives rise to an alpha helix in the membrane is known as the stop-transfer anchor sequence. The sequence plays an essential function in targeting the protein towards the plasma membrane. On the other hand, it also ceases targeting of the protein towards the endoplasmic reticulum, which was started by the signal peptide.  

Thus, the process of translation of the remaining of the protein occurs within the cytosol due to the tethering of the transmembrane domain. In the stop-transfer anchor sequence, the hydrophobic amino acids present are isoleucine and valine. After mutation, these amino acids get converted into arginine and lysine, thus, hydrophilic amino acids replace hydrophobic amino acids in the sequence.  

Due to this, the transmembrane domain cannot be targeted towards an integral part of the plasma membrane by the short transfer anchor sequence, and therefore, now the translocation of the protein will take place towards the endoplasmic reticulum as initiated by the signal peptide at the beginning.  

3 0
2 years ago
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