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vodomira [7]
3 years ago
7

The mature form of a newly discovered species of eukaryote contains 12 chromosomes and exists in

Biology
1 answer:
Gnesinka [82]3 years ago
3 0

Answer:

12 chromosomes

Explanation:

In mitosis the daughter cells finish up with exactly the same number of chromosomes as the parent cell. This is called the diploid condition where the nucleus of each cell contains a pair of each type of chromosome.

The sister chromatids of each chromosome separate at the centromere forming two distinct daughter cells. The eukaryote has 12 chromosomes and exists in diploid state therefore after mitosis, the number of chromosomes will be retained as that of the parent.

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What is a pacu fish's predators/dangers
Zepler [3.9K]

he Piranha is one of the most efficient predators on the face of the earth. Granted it is not a large animal, with most only reaching about 5 1/2 to 10 inches (14 – 26 cm), but it is known world wide for its ferocious nature. They have razor sharp teeth and are opportunistic carnivores.

A frenzied attack by a group of Piranha will set the water churning. They will attack and eat all sorts of aquatic animals, insects, lizards and amphibians. They will also devour rodents, carrion (dead meat), and sickly or weakened land animals that venture into the water.

The teeth of the Piranha are triangular in shape with an exact fit in their jaw, comparable to a bear-trap. They are designed to puncture and slice the flesh from their prey. They can strip their prey to the bone in a matter of minutes.

These fish are a great source of fascination. Their natural behaviors have become fodder for the scripts of moviemakers looking for a sensational twist to excite and entice an audience. What could be more intriguing than creating a 'fear factor' from the behaviors of these provocative fish found in the "wild". Yet just like the Great White Shark and the Anaconda constrictor, also popular subjects of thriller movies, the Piranha’s behaviors are over-fantasized.

The Piranha does engage in a feeding frenzy that will "make the water boil" if only because a hungry school of fish are trying to reach the same limited food source. All that activity is bound to create water turbulence. A Piranha school generally only consists of about 20 or so fish, but in a feeding frenzy it can reach up to several hundred..

Piranhas are not always that deadly. Many species live solitary lives once they reach maturity and only four or five species pose any significant danger. Piranhas rarely attack people. Many experts believe they are actually timid fish, and shoal for protection. Even the most aggressive are thought to be not really dangerous until they are trapped and confined, and then attack in self defense. As a pet they are fascinating and beautiful fish, yet you can't hold or pet them. They are not affectionate and owners must be extremely careful, especially when handling them. They do have sharp teeth and an aggressive/defensive nature. Most Piranha bites are sustained when the fish are being handled, though that's not to say a hungry fish is never dangerous.

7 0
2 years ago
Which would be more likely to carry out endocytosis: a white blood cell engulfing foreign materials or a cell that excretes horm
Irina-Kira [14]

A white blood cell engulfing foreign materials is more likely to carry out Endocytosis.

Explanation:

  • Endocytosis is the process by which a cell takes up a macromolecule into is cytoplasm by forming a vessicle.
  • In the question two cases are given, both the cases involve the formation of membrane bound  vessicle but in different ways.
  • The excretion of hormones involves the movement of molecule outside the cytoplasm. This process is exocytosis.
  • The engulfment of an antigen by WBC involves taking up of molecule within the cell so that it can be killed and digested. Thus in  this case  Endocytosis is more likely to occur..
4 0
3 years ago
He says ' I have no Class today 'turn in to indirect speech ​
Svetach [21]
Reported or indirect speech is usually used to talk about the past, so we normally change the tense of the words spoken. We use reporting verbs like 'say', 'tell', 'ask', and we may use the word 'that' to introduce the reported words. Inverted commas are not used.
7 0
3 years ago
Read 2 more answers
A researcher crosses the F1 generation of two snapdragon plants. According to this information and the diagram below, what is th
Stels [109]

The correct answer is B. 1 red; 2 pink; 1 white

Explanation:

In genetics, the combination of alleles (genotype) determines the phenotype or physical features; for example, in this case, the color of the flowers in the snapdragon plants can be determined by the combination of dominant alleles (R) and recessive (r) alleles. Additionally, in the case presented, a dominant allele combined with a recessive allele (Rr) leads to pink snapdragon plants, while two dominant alleles (RR) lead to red snapdragon plants, and two recessive alleles (rr) lead to white snapdragon plants.

According to this, the generation F2 shown in the chart produced 1 red plant because there is only one plant with RR genotype; 2 pink plants because there are two plants with Rr genotype; and finally one white plant because the last plant has an rr genotype.

8 0
3 years ago
Greg is breeding leopard geckos and wants to produce a new color morph. He crosses a homozygous red morph with a homozygous whit
Anestetic [448]

Answer:

Codominance

Explanation:

Codominance occurs when two heterozygous allele for a trait is expressed equally in the an organism's phenotype with neither allele being dominant or recessive. In codominance, none of the allele hides the expression of the other allele. So when two alleles are crossed, the offspring carries a combination of the parents phenotype without anyone masking the other.

From the question,  the type of genetic pattern of the leopard geckos display is codominance.

6 0
3 years ago
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