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lorasvet [3.4K]
3 years ago
14

Which organelle allows bacteria to stick/adhere to surface or host cells

Biology
1 answer:
charle [14.2K]3 years ago
5 0
I believe it’s attachment pili aka fimbriae.
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O que é piracema?? Eu sei que é um peixe mas minha professora nunca aceitaria essa resposta no roteiro de estudos
Anna71 [15]

Answer:

It is a season in which fish reproduce.

Explanation:

Piracema is not name of the fish, its the name given to the period of the year when fish reproduce within the Paraguay River. The season of reproduction started from October till March, during this period the fish swim upstream to lay their eggs and reproduce. Thus the season is critical for the maintenance of fish populations in the waters of the rivers and lakes. Brazilian states prohibit fishing during this period in order to maintain fish population in the river.

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3 years ago
Olivia researched insects that destroy farmers’ crops. Based on this information, she discovered a way to keep the insects away
matrenka [14]
Yes, as scientists could figure out what might have changed in the variables she used. Brainliest me and I can give you the whole system.
7 0
3 years ago
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What is a macromolecule? Identify the four types of biological macromolecules
insens350 [35]
A macromolecule is a large molecule containing many atoms. The four type are carbohydrates, lipids, proteins, and nucleus acids.
8 0
3 years ago
Which is the best place for an organism to die in order to become a fossil?
Readme [11.4K]

Answer:

a mountain top

Explanation:

within most mountains tops the climate is cold

4 0
3 years ago
At the molecular level, gene duplication often produces novelty in a lineage. This process provides another evolutionary pathway
alukav5142 [94]

Answer:

Bridgham et al. (2006) showed that the interaction between a steroid hormone (aldosterone-M) and its receptor (mineralocorticoid) evolved by Darwinian gradualism. In this work, the authors demonstrated  a primitive affinity between the hormone and its receptor that was initially present in chemically similar but more ancient ligands. This result has implications in understanding the association between gene duplication and the evolution of hormone signaling pathways. For example, in invertebrates, this work reinforces the importance of gene duplication in the existing interaction between paralogous glucocorticoid receptors and their receptor mineralocorticoid genes that were derived from duplication (Thornton 2001).

The publications above cited are the following:

J.T. Bridgham, S.M. Carroll, and J.W. Thornton (2006). Evolution of hormone-receptor complexity by molecular exploitation. Science, 312(5770), 97-101.

JW Thornton. Evolution of vertebrate steroid receptors from an ancestral estrogen receptor by ligand exploitation and serial genome expansions, Proc Natl Acad Sci USA (PNAS), 2001, vol. 98 10 (pg. 5671-5676).

6 0
3 years ago
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