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shepuryov [24]
3 years ago
14

In the Scientific Method, after you make an observation and ask a question, what comes next?​

Biology
2 answers:
Serhud [2]3 years ago
6 0

Answer: Form a Hypothesis

Explanation:

Step one is to make an observation.

Step two is to ask a question

Step three is to form a hypothesis

astra-53 [7]3 years ago
5 0
Formulate a Hypothesis
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Why would the pancreatic enzyme trypsin be non-functional if it was secreted in the stomach instead of the pancreas?
mel-nik [20]

Answer:

-Due to acidic pH of stomach.

Explanation:

Enzymes are generally made up of protein molecules and work at an optimum pH and temperature. This is because at change in pH and temperature leads to denaturation of proteins that cause change in active site of enzyme.

For trypsin, optimum pH is slightly basic as pH (7.5). So, trypsin would become non-functional at acidic pH due to denaturation and loss of active site.

Trypsin is a pancreatic enzyme that works at small intestine as pH of small intestine is slightly basic.Thus, if the trypsin was secreted in stomach instead of pancreas, it would be non-functional as stomach has acidic pH due to stomach acid.

8 0
3 years ago
the graph in figure 5.1 shows the growth of a bacterial population which of the following correctly describes the growth curve
defon

The right answer is exponential.

The bacterium multiplies by binary fission: the bacteria grow and then divide into two daughter cells separated by a septum of division formed by the cell wall. During division, the DNA is duplicated as well as the other constituents. Various enzymatic systems of synthesis and degradation participate in cell division.

Bacterial growth is the orderly growth of all components of the bacteria. It results in an increase in the number of bacteria.

During the growth, there is, on one hand, depletion of nutrients in the culture medium and, secondly, an enrichment of by-products of metabolism, potentially toxic. Growth can be studied in a liquid or solid medium.

1 - Growth curve: The growth of a bacterium is studied in a liquid medium. There are 6 phases which together constitute the growth curve.

. Latency phase: the zero growth rate (μ = 0). The duration of this phase depends on the age of the bacteria and the composition of the medium. This is the time required for the bacteria to synthesize the enzymes adapted to the new substrate (no lag phase if transplanting on the same medium as the previous one).

. Acceleration phase: There is an increase in the growth rate.

. Exponential growth: the growth rate reaches a maximum (μ = max). This phase lasts as long as the growth rate is constant. The doubling time of bacteria is the shortest. The cell mass is represented by viable cells (zero mortality).

. Slowing phase: the speed of growth decreases. There is a depletion of the culture medium and an accumulation of waste. There is a beginning of autolysis of bacteria.

. Stationary maximum phase: the growth rate becomes naked (μ = 0). Bacteria that multiply compensate for those that die.

. Decline phase: the growth rate is negative (μ <0). All the nutritional resources are exhausted. There is accumulation of toxic metabolites. There is a decrease in viable organisms and cell lysis under the action of endogenous proteolytic enzymes. However, growth persists by release of substances released during lysis (cryptic growth).

4 0
3 years ago
Read 2 more answers
Which component of a Milankovitch cycle is related to periodic ice ages throughout Earth's history? A. Axial precession B. Apsid
Leviafan [203]

The answer is c because the precession of the ecliptic was component of a milankovitch cycle  and is related to periodic ice ages through out history

3 0
3 years ago
Read 2 more answers
Which statement describes one difference between hormones and
Elis [28]
Letter c, and hormones also affect the likes and dislikes of a person
4 0
3 years ago
Hypothesis:
PtichkaEL [24]

Answer:

I have a similar problem for my science class, but it's worded a little differently. I would say that a possible hypothesis is if (one type of flower) is planted alongside (another type), (one type of flower) will grow the best in the soil.

Explanation:

Since there are more than two things being tested, and the comparative stuff isn't known, you kind of just have to pick one. That's the best I could think of. Hope this helps!!!

5 0
3 years ago
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