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Tcecarenko [31]
3 years ago
5

Replication of the following DNA strand: ACGTCGA would give what complementary strand?

Biology
1 answer:
nexus9112 [7]3 years ago
5 0

Answer: The complementary strand will be TGCAGCT.

Explanation:

Replication is a process of making identical copies of a DNA in the cell. It is a process by which the genetic information in a parent DNA is used to make two identical copies of DNA (daughter DNA) which are complementary to the parent DNA. Four bases are found in DNAs: Thymine, Adenine, Cytosine and Guanine. In forming the complementary strand, the bases in the parent strand pairs with appropriate bases. In base pairing, Adenine pairs with Thymine while Guanine pairs with Cytosine.

A= T while G = C.

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Northern flickers are woodpeckers of the eastern United States. Males, but not females, have black feathers that resemble a mous
jek_recluse [69]

Answer:

This suggests that the moustache is a releaser for aggression.

Explanation:

<em>Fixed action patterns</em> are instinctive programmed responses in different species that are triggered by a specific external sensory stimulus. These stimuli are called sign stimuli or releaser. When the sign occurs, the animal starts a sequence of acts in response to the stimulus and continuous until the series of actions is completed.

The black feathers resembling a mustache in a <em>Northern flickers</em> male are an external sensory stimulus. This trait that can provoke another male to respond aggressively, as a f<em>ixed action pattern</em>.  

This trait might be considered as an <em>unconditioned stimulus</em>, which <em>provokes an unlearned or reflex reaction</em>. These aggressive responses are triggered by reflex.

7 0
3 years ago
Each answer option below lists terms that classify cell types according to their developmental potential. Which of the options l
umka21 [38]

Answer:

The correct answer is: (A) totipotent, pluripotent, multipotent.

Explanation:

Totipotent cells can differentiate into any type of cell, from the ones that make up the embryo to the ones that form extra-embryonic cells. Pluripotent cells can transform into any type of body cell (but not cells for the placenta). Multipotent cells can develop into a few types of cell from the same lineage.

8 0
3 years ago
If a linear piece of dna has three sites for a particular restriction enzyme, into how many fragments will that restriction enzy
Kruka [31]

If a linear piece of DNA has three sites for a particular restriction enzyme, it will be cut into 4 fragments. If the DNA is circular, the number of obtained fragments will be N for N recognition sequences for the specified restriction enzymes however if the DNA is linear, the number of obtained fragments will be (N+1).

A bacterial protein called the restriction enzyme cleaves DNA at specific  locations. The recognition sequences, or short and distinct nucleotide sequences, are recognized by restriction enzymes in DNA. When a DNA sequence is recognized by the restriction enzyme, it hydrolyzes the bond between neighboring nucleotides and cleaves the DNA molecule.

The restriction enzymes guard against bacteriophages on the living bacteria. They identify the bacteriophage and cleave at its restriction sites, destroying its DNA.

The use of restriction enzymes in genetic engineering is crucial. In order to introduce foreign DNA for gene-editing purposes, restriction enzymes cut DNA at a specified location, which makes them a crucial tool.

To learn more about restriction enzyme, recognition sequences and bacteriophages here

brainly.com/question/14376666

#SPJ4

3 0
2 years ago
5. A scientist exploring a remote area of a tropical rain forest discovers an
Fantom [35]

Answer:

This organism will be placed in kingdom Animalia, phylum Arthropoda and class Araneae because it has same characteristics to spider and spider also belongs to class Araneae.

Explanation:

Organisms which belongs to class Araneae is known as Arachnids. These organisms are invertebrates and have two body parts i. e. cephalothorax and the abdomen. They have eight legs.

4 0
3 years ago
If you have a heterozygous yellow-seed plant (Yy), the probability of forming a "Y" gamete is blank. The probability of forming
hram777 [196]

Answer:

<em>The probability of forming a "Y" gamete is 50%. The probability of forming a "y" gamete is 50%.</em>

Explanation:

Mendel was an Austrian monk whose findings led to make the foundation of genetics. Hence, Mendel is known as the father of genetics. He formulated two laws based on the researches he made:

  • Law of segregation
  • Law of independent assortment

According to the law of segregation, alleles segregate independently at the time of gamete formation. There is an equal chance for a gamete to carry the dominant or the recessive allele.

Hence, the probability of a gamete carrying a 'Y' or a 'y" allele will be 50% each.

8 0
3 years ago
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