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Paul [167]
3 years ago
6

Which branch of biology examines the form and variety of organisms in their natural environment?

Biology
1 answer:
solmaris [256]3 years ago
4 0
Natural history branch
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DNA wrapped around histone proteins forms a material called ____ which condenses tightly to form _____ that can be seen with a l
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Answer:

The correct answer will be-

1. Nucleosomes

2. Chromatin

3. Sister chroamtid

4. Centromere

Explanation:

The DNA is a very long molecule which if has to be passed on to the daughter cell as it is will cause problems. So, to reduce problems a cell form tightly packed structure of DNA so that they can be passed easily to the daughter cell.

The packaging of DNA begins with the wrapping of the DNA around histone proteins which forms the 11 nm basic structural units called nucleosomes. The nucleosomes start condensing each other and form 30 nm structure chromatin fibres.

The chromatin fibres undergo replication during S phase which produces an exact copy of the chromatin called sister chromatids bound to each other at a central point called centromere which helps the separation of the chromatids during M phase.

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3 years ago
What part of a cactus does photosynthesis occur?
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Like other succulent plants, most cacti<span> employ a special mechanism called "crassulacean acid metabolism" (CAM) as </span>part<span> of </span>photosynthesis<span>. Transpiration, during which carbon dioxide enters the plant and water escapes, </span>does<span> not </span>take place<span> during the day at the same time as </span>photosynthesis<span>, but instead </span>occurs<span> at night.</span>
4 0
3 years ago
The modern approach to classification, with the broader goal of reconstructing the evolutionary history, or phylogeny, of organi
olga55 [171]

Answer:

systematics is the correct answer.

Explanation:

  • The modern approach to classification, with the broader goal of reconstructing the evolutionary history, or phylogeny, of organisms is: systematics.
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  • Carl Linnæus is the father of Systematics.
  • Systematics refers to the study of the diversification,nomenclature, and classification of the living organism in the past and also in present.
  • Systematics is used to understand the evolutionary relationship and the purpose of systematics is to describe and explain biological variety.
  • The main objective of systematics is to identify species and to give scientific names to organisms, it used to determine the arrangement of the living organism and to study the evolutionary history of organisms.

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What does this mean: +.90 in psychology
MariettaO [177]

Answer:

Humanitarianism, compassion, and idealism

Explanation:

90 is a number of Humanitarianism, compassion, and idealism the numerology number 90 is a number of humanitarianism, compassion, and idealism. it is a number of philanthropy and tolerance.

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Which factor that affects the Florida peninsula can result from human activity
Bogdan [553]

Answer:

The mining of phosphate and erosion of the coast

Explanation:

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