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Luba_88 [7]
3 years ago
9

Help with these 3 please

Biology
1 answer:
vovikov84 [41]3 years ago
7 0
1. 1800 years to get 1 billion population
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I would greatly appreaticate it if some can Please help me asap!!!
lozanna [386]

Answer: The taproot

Explanation: A deep taproot helps plants use moisture held in deeper soil layers, and they can have great drought resistance compared to fibrous-rooted plants. An example is honey mesquite (Prosopis juliflora), which is known to send its roots down 150 feet to get water.

8 0
3 years ago
How many types of mutations are there​
Nastasia [14]

Answer:

Depending on changes, that occur with DNA, all types of DNA mutations can be divided into two main groups:

gene mutation;

chromosomal mutation.

Explanation:

8 0
3 years ago
The mesentery is a fused double layer of the parietal peritoneum that attaches parts of
kirill115 [55]

Answer:

True

Explanation:

The mesentery fans throughout the abdomen. It is attached to the abdominal wall and the intestines, to keep them in place. It also prevents the intestines from falling down or twisting inside the abdomen. They also help with fighting infection as they have lymph nodes as well.

5 0
3 years ago
In the context of an explanation of how human growth occurs, a student is explaining to a colleague the necessity and roles of d
rewona [7]
<h2>Messenger RNA </h2>

Explanation:

Messenger RNA results from the breakage and recombining of DNA strands that is known as transcription

  • Transcription always starts at a specific site called promoter
  • Promoter are specific sites on DNA where RNA Polymerase binds and initiates transcription
  • Synthesis of RNA occurs in 5'-3' direction and continuous
  • Only a strand of DNA act as template, template is also known as antisense strand or non coding strand  
  • The complementary strand is the sense strand or the coding strand
  • Only a small segment of DNA is transcribed at a time generally called gene
7 0
3 years ago
Idk what to draw on here help me out please :/
r-ruslan [8.4K]

You should draw d.eez nuts XD

3 0
4 years ago
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