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saul85 [17]
2 years ago
15

Many seeds are capable of surviving in a dormant or quiescent state for many years, or even centuries. Such seeds are not usuall

y damaged by environmental extremes that would kill most other organisms. What main adaptation prevents the seeds from germinating before they are dispersed and allows them to survive until environmental conditions are favorable for germination and seedling growth
Biology
1 answer:
tankabanditka [31]2 years ago
5 0

Answer:

holasoy km no se la  es

Explanation:

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15. When there is light, plants do which of the following biological<br> processes?<br> *
zhuklara [117]

Answer: Plants do both photosynthesis and cellular respiration.

Explanation:

All cells do cellular respiration even without light.

Honestly, photosynthesis alone would be right since the teacher didnt  state the questions correctly. But you should choose both cause in the light it does both.

6 0
3 years ago
Which of the following would likely move through the phospholipids of the
Black_prince [1.1K]

Answer:

glucose

Explanation:

cell membrane most easily?

6 0
2 years ago
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Please help me with this question!!!!
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Answer:

A

Explanation:

6 0
2 years ago
List and describe the four types of micro-organisms that cause disease
kherson [118]
Virus: an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
Bacteria: a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some which can cause disease.
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7 0
2 years ago
Which of the following statements regarding restriction enzymes is NOT true?
Anni [7]

Answer:

The correct option is option A

Explanation:

Restriction enzymes are endocleases that cleave DNA fragment (<u>of usually four, five or six nucleotide long</u>) at <u>specific sites to produce blunt or sticky ends</u>. They <u>recognize palindromic sequences of host DNA when cleaving the specific sites</u>. The sequences below (on complementary strands) give an example of a palindromic sequences.

5'-CCC║GGG-3'

3'-GGG║CCC-5'

As can be seen above, when read from 5' to 3', the two sequences are the same despite being on opposing strands. And when cut between the guanine (G) and cytosine (C) (as shown above), it produces a blunt end. But when cut as shown below produces a sticky end.

5'- G║AATTC -3'

3'- CTTAA║G -5'

The explanation above shows options C and D are right while option A is wrong (hence the correct option).

Also, bacteria prevent their own DNA from been digested by restriction enzymes by adding methyl group to their restriction sites <u>which prevents restriction enzymes from recognizing restriction sites of their DNA;</u> this generally makes bacterial DNA to be highly methylated. This explanation makes option B right also.

6 0
3 years ago
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