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Art [367]
3 years ago
12

Chymotrypsin is a digestive enzyme that breaks down proteins in the small intestine. A student runs a computer simulation of chy

motrypsin
enzyme activity at various pH levels and creates the graph.
Enzyme Activity
10
12
8
pH
According to the graph, at what pH is chymotrypsin the most effective?
04
6
8
O 10
Biology
1 answer:
padilas [110]3 years ago
6 0

Answer:

C.8

Explanation:

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Comparing the body structures of organisms to find evidence of a shared evolutionary history is called ________.
Sergio [31]

Answer:

The correct answer will be option-C

Explanation:

Comparative anatomy is the branch of study which studies anatomy or skeletal structure of the different species and comparing them to study the relationship between them.

The comparative anatomy is studied to study the evolutionary relationship between the different species which acts as evidence of the evolution. The study has distinguished the skeletal structure as homologous structures or analogous structure.

The correct answer will be option-C.

7 0
3 years ago
Why does DNA migrate to the positive electrode?
ale4655 [162]
DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode.
5 0
3 years ago
How are plants of the savanna's highly specialized to grow in this environment of long periods of drought?
dexar [7]

Answer:

In trees, most savanna adaptations are to drought--long tap roots to reach the deep water table, thick bark for resistance to annual fires (thus palms are prominent in many areas), deciduousness to avoid moisture loss during the dry season, and use of the trunk as a water-storage organ (as in baobab).

7 0
3 years ago
Cerebrospinal fluid circulates within the ventricles of the brain and in the subarachnoid space outside the brain. Cerebrospinal
irina1246 [14]

Answer:

true

Explanation:

Cerebrospinal fluids  is a  colorless fluid  that is secreted in the choroid plexus,and  circulates in the ventricles system  and sub -aranchinoid space  of the brain and spinal cord. its provides nutrients  to the surrounding  neurons, cushions the effects of trauma, pressure, acts as buffer and provides protection through immune  system .

it plays a vital role in regulating  blood flow, through a process called cerebral auto regulation,This is needed to maintain efficient cerebral blood flow of oxygen and other metabolites, and withdraw of metabolic wastes from the brain.

in order to analyze it to diagnose some neurological diseases  its sample is usually taken out in a process called lumbar  puncture.

4 0
3 years ago
Sheryl is observing ovarian slides taken from a female ape. All the cells show crossover chromosomes. What is this stage?
Kobotan [32]
<span>The stage at which all the cells show crossover chromosomes is meiotic prophase I. The crossover is the exchange of genetic material between homologous chromosomes. Homologous chromosomes are present in the meiosis I. Regarding the phase of meiosis I, it is expected that the crossover takes place in meiotic prophase I since homologous chromosomes pair up in the prophase.</span>
5 0
3 years ago
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