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jarptica [38.1K]
3 years ago
14

What step occurs first in the embryonic development of most bones?

Biology
1 answer:
Viktor [21]3 years ago
5 0

A bony collar forms.

The bone collar is a cuff of periosteal bone that forms around the diaphysis of the hyaline cartilage model in developing long bones. The bone collar appears during endochondral bone development to support the growing bone and help it retain its shape.


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Which choice best describes the antimicrobial activities in the mouth?
kykrilka [37]

The antimicrobial activities in the mouth are hydrochloric acid denatures proteins and killing many microbes.

The capability of an hydrochloric acid activating pathogen-killing compounds is not a part of insect immunity,There has recently been an increase in interest in trehalose metabolism for therapeutic applications due to trehalose's relevance in numerous pathogenic species.The most significant biosynthetic process is the enzyme TPP (trehalose-6-phosphate phosphatase) (OtsAB).

Here, five important nematode and bacterial pathogens' recombinant TPPs, including three new members of this protein family, are compared for their enzyme characteristics.

The kinetics of the hydrolysis of trehalose-6-phosphate show that all five enzymes display burst-like kinetic behaviour, which is characterised by a decrease in enzymatic rate beyond the pre-steady state.

The observed super-stoichiometric burst amplitudes can be explained by many global conformational changes that occur in members of this enzyme family during substrate processing.

Learn more about hydrochloric acid by using this link:

brainly.com/question/15231576

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7 0
1 year ago
Survival of the fittest definition biology
olya-2409 [2.1K]

Answer:

"Survival of the fittest" is a phrase that originated from Darwinian evolutionary theory as a way of describing the mechanism of natural selection. The biological concept of fitness is defined as reproductive success.

Explanation:

The Darwinian evolutionary theory was created by Charles Darwin.

Darwin published his theory of evolution with compelling evidence in his 1859 book On the Origin of Species, overcoming scientific rejection of earlier concepts of transmutation of species. By the 1870s, the scientific community and a majority of the educated public had accepted evolution as a fact.

3 0
3 years ago
Carbon is transformed into stored energy in what process
Sergeu [11.5K]

Answer:

Nuclear fission

Explanation:

7 0
2 years ago
Read 2 more answers
Which of these would speed up the rate of a chemical reaction
Sveta_85 [38]
Kinetics is the study of the speed of a chemical reaction some chemical reactions are fast others are slow sometimes chemists want to speed the slow ones up and slow the fast ones down
8 0
3 years ago
During perspiration,a. the entropy of the water evaporated decreases and the entropy of the body decreases.b. the entropy of the
Korvikt [17]

Answer:

The correct answer is option c.

Explanation:

Entropy is illustrated as a thermodynamic quantity that demonstrates the thermal energy that does not possess the tendency to get transformed into mechanical work.  

At the time of perspiration, the entropy of the body diminishes because of the evaporation of the water that discharges energy from the body and permits the cooling effect to take place. On the other hand, the entropy of water upsurges as the molecules of liquid converts into vapor form, which captivates larger space in the environment.  

7 0
3 years ago
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