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Rudiy27
3 years ago
14

Pls help me with this I would really appreciate it

Biology
1 answer:
guajiro [1.7K]3 years ago
3 0
Adenine always pairs with Thymine. (DNA)
Guanine always pairs with Cytosine.
(DNA)

*In the (RNA) Adenine pairs with Uracil (U).

-A and T
-C and G
-T and A
-G and C
-G and C
-G and C
-T and A
-A and T
-C and G
-T and A
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Exobiologists have discovered under the surface of Mars an alien species of single-celled organisms, which undergo sexual reprod
Llana [10]

Answer:

The dominant phenotypes are Long flagella and one vacuole, and the recessive phenotypes are small flagella and two vacuoles.

Explanation:

As you can see in the attached table

1. For the size of the flagella we gave that:

- 241 organisms have long flagella

- 79 organisms have short flagella,

As there are more organisms with long flagella we can conclude that this is the dominant phenotype while the short flagella is the recessive phenotype.

2. For the number of vacuole we have:

- 247 organisms have one vacuole

- 73 organisms have two vacuole

As there are more organisms with one vacuole we can conclude that this is the dominant phenotype while having two vacuoles a is the recessive phenotype.

Then

Dominant phenotypes = Long flagella and one vacuole

Recessive phenotypes = Short flagella and two vacuoles

5 0
3 years ago
A praying mantis is an insect that feeds off small insects and therefore it is a predator or prey​
stiv31 [10]

Answer:

Predator

Explanation:

Since a Praying Mantis is an animal that naturally preys on others, it would be considered a Predator

3 0
3 years ago
In animals the sensory capabilities evolved over hundreds of millions of years. It is therefore not surprising that different se
I am Lyosha [343]

Answer:

Olfactory system

Explanation:

In an olfactory system, odor molecules are perceived by the olfactory receptors. These odor molecules are nothing but the chemicals which are then transduced as chemical signals into the electrical signals and sent to the brain. The brain perceives these electrical signals as smell.  

The odorant particles bind to the specific receptors located at cilia which then signal through the G protein Gαolf which then activate adenylate cyclase. Adenylate cyclase leads to cAMP production which then open a cyclic nucleotide-gated ion channel through which both sodium and calcium ion entern into the cell. Calcium ion then activates chloride channels and thereby causing transduction of electrical signal

6 0
4 years ago
What do you know about dna?
harina [27]

Answer:

DNA is the genetic evidence that makes up a child of two people, they contain chromozomes and other forms of material that can affect the gender and looks of a person.

Explanation:

7 0
3 years ago
What is the mrna transcript for the dna sequence, ttacgc?
uranmaximum [27]
Aaugcg since it mRNA you replace t with u
6 0
3 years ago
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