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Stella [2.4K]
2 years ago
7

What is biodiversity? ​

Biology
1 answer:
Flauer [41]2 years ago
3 0

Answer:

Biodiversity is the variety of life. Most people recognize biodiversity by species a group of individual living organisms that can interbreed. Examples of species include blue whales, white tailed deer, white pine trees, sunflowers, and microscopic bacteria that can't even be seen by the naked eye.

Explanation:

plz give me brainliest :) have a good day

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A barrier separating the cell’s genetic information from the cell’s cytosol.
malfutka [58]

Answer:

All cells hace a barrier around them that separates them from the environment and from other cell.The barrier is called the plasma membrane,or cell membrane.

8 0
2 years ago
The diploid number of chromosomes in the mustard plant, Arabidopsis thaliana, is 10. Knowing this, answer the following question
lukranit [14]

Answer:

10 chromosomes/sister chromatids

Explanation:

Prophase is the first stage of cell division (mitosis). Prior to the cell entering the actual division stage, it undergoes a phase where it prepares its content and most importantly undergo the duplication of its genetic material (DNA). This DNA are found as chromosomes. It undergoes replication of its DNA in the S-phase of interphase stage.

Since Arabidopsis thaliana has 10 chromosomes, and each chromosome holds one DNA molecule, 10 molecules of DNA will be present in the mustard plant's genome. These 10 molecules of DNA will be replicated on another copy of chromosome which is identical to the template. This chromosomes are called SISTER chromatids i.e. replicated chromosome. Each sister chromatids are held together at the centromere and are considered one individual chromosome until they separate during anaphase stage.

Hence, at the Prophase stage, before separation, each sister chromatid (replicated chromosome) is considered as one chromosome. Thus, in the mustard plant with 10 chromosomes, it will possess 10 sister chromatids or chromosomes at the Prophase stage.

N.B: When sister chromatids separate during anaphase stage, they will be regarded as individual chromosomes.

6 0
3 years ago
Use the drop-down menus to put the events of the light-dependent reaction of photosynthesis in the correct order.
mash [69]

Events of the light-dependent reaction of photosynthesis starts with the absorption of sunlight and ends with ATP production.

<h3>Events of  light-dependent reaction</h3>
  • In the first step energy is absorbed from the sun and then water is broken down.
  • Hydrogen ions of the water molecules are transported across the thylakoid membrane.
  • NADPH is produced from NADP+.
  • Hydrogen ions diffuse through the protein channel.
  • ADP turns into ATP.

Learn more about light-dependent reaction here: brainly.com/question/2114531

8 0
2 years ago
Which process takes place last in the development of a human bean
Yuliya22 [10]

Answer:

Neurulation of organogenesis is the last stage of human development. The gastrula stage forms three germ layers called ectoderm, mesoderm, and endoderm

5 0
3 years ago
Read 2 more answers
PLEASE I NEED HELP
yawa3891 [41]

Answer:

they ensure valid results

6 0
3 years ago
Read 2 more answers
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