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Lemur [1.5K]
3 years ago
15

50 POINTS!!! PLZ HELP

Biology
2 answers:
ELEN [110]3 years ago
8 0

Answer:

i think it's A

Explanation:

Pathogens are known to interfere with the body functioning as well as the mind

expeople1 [14]3 years ago
6 0

Answer:

C.

Explanation:

So, a pathogen is something that causes disease, like a virus like the rhinovirus, which causes the common cold.

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Which two systems below work together to rid the body of harmful parasites?
NikAS [45]

Answer:

Immune and Lymphatic Systems

Explanation:

7 0
2 years ago
HELP ASAP PLEASE!!!!
Tems11 [23]

Answer: The correct answer is A. During this time, cells take in nutrients, which are important for energy, growth, and repair of the cell.

Interphase is the first phase of the cell cycle. During this phase, the cell takes in nutrients, which are important for energy, growth, and repair of the cell.  

In other words, cell prepares for division by growth, synthesizing essential proteins, and duplicating the DNA. This phase occurs prior to cell division.

This phase is primarily divided into G1, S, and G2 phase. G1 and G2 are the gap phases during which cellular growth and synthesis of essential proteins take place.

S phase ( synthesis phase) includes the duplication of the DNA so two identical cells are obtained after cell division.

Thus, the correct statement, which describes the interphase is A.


8 0
3 years ago
Fly larvae feeding in the urethra and/or genitalia of the host is called __________ myiasis.
Anna007 [38]
That is called Urogenital myiasis which is a parasitic infestation. These flies are in the Diptera species group and the cause of this myiasis is from the eggs and larvae of this species (fly). 

Let me know if you need further info. 

                - Dotz  
6 0
3 years ago
What is a major disadvantage to organic farming?
steposvetlana [31]

Answer:

Major disadvantage to organic farming are discussed below.

Explanation:

The major Disadvantages of Organic farming:

  • Organic food is more costly because growers do not receive as much out of their property as traditional farmers get.
  • Making charges are more expensive because growers require more extra labor.
  • Retailing and shipping are not effective because organic food is grown in smaller quantities.
4 0
3 years ago
Read each of the sentences that describe a phase of meiosis. Place each sentence into the correct box.
Allushta [10]

Answer:

prophase 1(Homologous chromosomes pair to form a tetrad.

prophase 1(Crossing-over may occur between the non-sister chromatids).

Metaphase 1 (Homologous chromosomes line up at the center of the cell.)

Anaphase 1 (Homologous pairs separate and move towards opposite ends of the cell)

Telophase 1 (A nuclear membrane forms and cytokinesis follows).

Metaphase 2 ( The haploid number of duplicated chromosomes line up at the metaphase plate.

Anaphase 2 (Sister chromatids separate and become daughter chromosomes that move to the poles)

Meiosis 2: Four haploid daughter cells are formed that are not genetically identical.

Explanation:

Meiosis is a type of cell division that gives rise to gametes ( offsprings). This type of cell division occurs only in the reproductive organs. A diploid cell has two sets of chromosomes: one from the female parent and the other one from the male parent. When the diploid cell undergoes meiosis, the chromosome replicate once and the nucleus and cell duplicate twice giving rise to four haploid gamete cells.

The phases of meiosis occurs in two step divisions. Homologous pairs separate during the first round cell division which occurs in MEIOSIS 1 while the sister chromatids separate in the second nuclear division called MEIOSIS 2.

In each round of division, cells go through four stages: PROPHASE, METAPHASE, ANAPHASE, and TELOPHASE. The specific events that occur in these stages are already listed in the above answer.

Generally, at the start of meiosis, each member of a homologous pair of chromosomes, which are made up of two chromatids, moves to lie side by side. While they are thus paired, genetic material is exchanged between the chromatids. This is known as CROSSING OVER.

When the nucleus divides for the first time, the chromosomes in a given pair( not the chromatids) separate and move to opposite ends of the cell. This results in only half the number of chromosomes going to each daughter cell.

During the second nuclear division, the chromatids separate and move to opposite ends of each daughter cell giving rise to four gamete cells, each with a haploid number of chromosomes.

7 0
3 years ago
Read 2 more answers
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