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Mashcka [7]
3 years ago
10

¡Necesito ayuda! I need Help!

Biology
2 answers:
RSB [31]3 years ago
7 0

Answer:

Frost, hail, and sleet

Explanation:

Dew and rain are liquid forms of water

IRINA_888 [86]3 years ago
5 0

Answer:

frost, hail, sleet

Explanation:

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The function of the S layer is unclear. The fact that the S layer is found in cultures isolated from natural sources but is typi
mario62 [17]

Answer:

The correct answer is "the S layer may play a role in protecting cells from viruses and predatory bacteria found in nature but not in laboratory cultures".

Explanation:

The S-layer (surface layer) is a part of the cell's envelope comprised of of identical proteins or glycoproteins that could be found in archaes and some bacterias in nature. The function of the S-layer is unknown, however the fact that is only seen in nature suggest that it may play a role in protecting cells from viruses and predatory bacteria found in nature but not in laboratory cultures. It is likely that archaes and bacteria synthesize the S-layer when they recognize viruses and predatory bacteria in nature, the S-layer is not synthesized in laboratory cultures because these pathogens are not present.

4 0
3 years ago
Jordan is doing a science fair project on the effects of music on the growth of tomatoes. He has two tomato plants, Plant A and
GREYUIT [131]
An expiremental constant is the amount of water and sunlight, the variable is the music
8 0
2 years ago
Read 2 more answers
How would you categorize a consumer that usually catches and eats prey, but also eats dead animal carcasses?
lianna [129]
Carnivore, hyenas is one example          
5 0
3 years ago
To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:
cricket20 [7]

Answer:

needle

Explanation:

Asepsis refers to the absence of bacteria, viruses, and other microorganisms. When handling a syringe the user can handle all parts of the syringe except for the needle. As soon as the needle comes into contact with anything it can immediately come into contact with bacteria, viruses, and other microorganisms. Which can cause an infection in the individual on which the syringe is being used on.

8 0
3 years ago
Which is an example of an insertion mutation that changes all of the amino acids that follow the mutation?
astra-53 [7]

Answer:


2) CAG - TTC - ACG mutates to CAG - TTC - ACC - ACG

Explanation:

Insertions are mutations in which extra base pairs are inserted into a new place in the DNA. The number of base pairs inserted can range from one to thousands!

In option no. 1: We see that there is not addition of a single or more than one base, but the new base sequence is different from the original sequence at three places i.e: TTA - CAC - G

In option no. 2: The insertion of three bases ACC has been made exactly after TTC, the whole sequence and arrangement of bases remain same except this insertion.


In option no. 3: The first base of the sequence T is replaced with A, and all other sequence is same. This type of mutation is called substitution in which one base is replaced by other.


In option no. 4: The last base of the sequence C is deleted, and is not present in new sequence. This type of mutation is called deletion in which a base is removed from the sequence.


Conclusion: Therefore, the best option is 2, in which whole codon is inserted in the DNA base sequence.



7 0
2 years ago
Read 2 more answers
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