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Lelechka [254]
3 years ago
7

Which of the following is true of conifers

Biology
1 answer:
zavuch27 [327]3 years ago
7 0

Answer:

Conifers are gynosperm which reproduce through the exposed seeds found in the cones

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Many times people visit the doctor requesting the use of antibiotics to treat colds and viral infections. How is the doctor just
umka2103 [35]
I believe A is the most correct (i assume it's about antibiotics - they actually DO harm our immune system in some way).
B is partially correct because, the colds indeed should be treated by anti-viral medication (because the virus is a cause of typical cold) but using antibiotics during recovery is needed only when an additional bacterial infection occurs as a complication after the viral infection. and it doesn't happen very often.
C - what works? antibiotics doesn't work for viral infections (colds). anti-viral medication do.
D i won't discuss.
I am sorry for a so long answer. but your question is so linguistically twisted that i am not sure which of the following choices is actually correct because of a big amount of mistakes.  
5 0
3 years ago
If a woman has 10 gene pairs, how many genetically different eggs can be formed if three of the gene pairs are homozygous and th
Gelneren [198K]

gene pairs - AABBCCDdEeFfGgHhIiJj

number of possible types of eggs - 1*2*2*2*2*2*2*2=128

reply "a" is good

4 0
3 years ago
Which is a modification into the spine in a cactus plant? A. Stems B. Leaves C. Buds.
Fynjy0 [20]
I think the correct answer from the choices listed above is option B. A modification of the leaves into the spine in a cactus plant can be seen The spines are modified leaves. It helps defend the plant and also reduce the surface area which helps limit loss of water.
6 0
3 years ago
Read 2 more answers
To investigate the possible presence of introns in three newly discovered genes (X, Y, and Z), you perform an experiment in whic
REY [17]

Answer:

a). At least one intron must be present in gene X.

b). At least two intron must be present in gene Y

c). It is impossible to determine whether there are any introns in gene Z.

Explanation:

Introns may be defined as the segments in the RNA molecule or the DNA molecule that does not code for proteins and they interrupts the sequences of each of the molecules.

In the context, we get :

a). In the gene X, at least one of the intron is present. Sometimes more than one introns may also be present. Due to slicing, we get one band less in the cDNA which is made from the mRNA.

b). In dene Y, at least one intron is present. Sometimes more than one introns are present inside the gene Y. In this case we get two bands less in the gene due to slicing.

c). In gene Z, it is not possible to determine the number of introns present in them. In genes X and Y, the Haelll enzyme is present in the intron. Therefore we get less of band after splicing the mRNA to cDNA.

6 0
3 years ago
Producers can use energy from the sun to produce food for themselves through a process called...?
Thepotemich [5.8K]

photosynthesis is the process that producers go through to make food using sunlight.

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3 years ago
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