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Zinaida [17]
3 years ago
10

1. Osmosis and diffusion (simple diffusion) are examples of passive or active transport? How do

Biology
2 answers:
nika2105 [10]3 years ago
5 0

Answer: While active transport requires energy and work, passive transport does not. There are several different types of this easy movement of molecules.

Explanation:

marusya05 [52]3 years ago
4 0

Answer:

Passive transport.

Explanation:

Osmosis and diffusion because a single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. Osmosis is a passive transport process during which water moves from areas where solutes are less concentrated to areas where they are more concentrated.

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Answer:  scythe, sickle, or reaper.

Forests,Farms, Bio-energy with Carbon Capture and Storage (BECCS),  Direct Air Capture, Carbon Mineralization,  and Ocean-based Concepts

Explanation:

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explain how a toxin in a food web will harm some while killing others why did the mosquito and cats die while other things lived
vladimir1956 [14]
I think that a toxin that was introduced into a food web can kill some species but not others because some may have resistances to the toxin, while others, it may be lethal. Also that it did not affect everyone because as Bioaccumulation has stated if affected one organism but their might not be much biomagnification as in much increase in the correlation between the food chains in that area. i think the cat were like the top animal so the key stone animal of the food chain and also it had no predators. 
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What process is used by bacteria to divide and reproduce
yulyashka [42]

Bacteria divides and reproduce by the process of binary fission.

6 0
3 years ago
Which of the following is not a structure of the nervous system? A. The brain B. The heart C. The spinal cord D. Cranial nerves
inn [45]

Answer:

heart

Explanation:

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3 0
3 years ago
Match the following.
valkas [14]

Answer:

1 . The stage on the first meiotic division when the homologous chromosomes move to opposite poles but the sister chromatids remain together

: b. Anaphase I

2 . The stage in the second meiotic division where sister chromatids migrate to opposite poles

: c. Anaphase II

3 . A structure on the chromosome that holds a pair of chromatids together during replication

: f. centromere

4 . A double-stranded chromosome following replication attached by a centromere

: d. chromatid

5 . A condition where non-sister chromatid of homologous chromosomes exchange genes

: e. crossing over

6 . The stage in the first meiotic division where the homologous chromosomes line up as a pair

: a. Metaphase I

7 . The stage in the second meiotic division where the chromatid pair lines up at the equator of the cell: g. Metaphase II

Explanation:

DNA replication occurs during the S phase of the interphase of the cell cycle. The replicated DNA molecules are accommodated in two sister chromatids of a chromosome that are held together by a centromere.  

During prophase I, the chromatids of a homologous chromosome pair exchange a genetic segment. This process is called crossing over. It generates recombinant chromatids with new combinations of genes.

Metaphase I of meiosis I includes the alignment of homologous pairs of chromosomes at the cell's equator. This is followed by separation and movement of homologous chromosomes to the opposite poles of the cell during anaphase I.  

Metaphase II of meiosis II includes the alignment of individual chromosomes, each with two sister chromatids, on the cell's equator. During anaphase II, splitting centromere separates the sister chromatids which then move to the opposite poles of the cell.

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