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Komok [63]
3 years ago
9

Waves transfer O matter energy Odensity heat

Biology
1 answer:
Alona [7]3 years ago
5 0
Waves transfer energy.
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Which is incorrect descriptions of the genetic event initiated by the HIV reverse transcriptase (RT) upon the HIV infection?
Scrat [10]

Answer:

e. None of these

Explanation:

The immune deficiency viruses (HIV) are retroviruses that use a reverse transcriptase (RT) enzyme to produce a single-stranded DNA (ssDNA) from an RNA template. The reverse transcription allows retroviruses to replicate their genetic material, which is integrated into the host's genome as a double-stranded linear DNA molecule in a similar way to the mechanism of insertion used by endogenous retrotransposons. The synthesis of DNA is started by cellular tRNAs (tRNA3Lys) that are packaged into the virion. After reverse transcription, the HIV DNA enters the nucleus of CD4 immune cells (also known as CD4+ T cells), and then it integrates into the genome to coopt the host's cell machinery for its own replication.

5 0
3 years ago
Which are typical pioneer species during primary succession?
JulijaS [17]

Answer & explanation:

Primary succession occurs in environments that did not have biological communities in place and present unfavorable conditions for the establishment of life. Examples of these sites are rocks, dunes and newly solidified lava pits.

The pioneer organisms in primary succession are mainly producers and some decomposers.

In <u>dune</u> <u>environments</u>, for example, there are grasses, whose seeds are wind-borne and able to withstand excessive heat, water scarcity and unstable soil, and their roots are firm, preventing these plants from being harmed by the wind.

Sites with <u>rocky</u> <u>surfaces</u> can be colonized by photosynthetic bacteria, fungi or some species of algae. These organisms release substances that alter the substrate, allowing the installation of new species over time.

3 0
3 years ago
Inherited traits are passed down from our parents to us, their offspring, by the information that is coded in our parents'
creativ13 [48]

Answer:

genes

Explanation: I  know this because genes make up chromosomes and those make up our dna.

hope this helps!!!

5 0
3 years ago
Read 2 more answers
Which best describes work?<br> a.holding a pencil<br> b.lifting a feather<br> c.dropping a ball
Orlov [11]
B I think cause your lifting something up?
6 0
3 years ago
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Kate and Sam are using a scanning electron microscope to study photosynthesis in algae. Which is a benefit of this type of micro
Solnce55 [7]

Answer:

B. Produces highly magnified images

Explanation:

Trust me

6 0
3 years ago
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