Use the dichotomous key in table 4.2 and the taxonomic key in 4.3 to find the common name for species A, B and C.

Biology

1 answer:

alexandr402 [8]3 years ago

5 0

Answer:

To cite a speech, lecture, or other oral presentation, cite the speaker's name and the title of the speech (if any) in quotation marks. Follow with the title of the particular conference or meeting, the name of the organization, and the venue and its city (if the name of the city is not listed in the venue's name).

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Mutation is a relatively unimportant source of variation and is not the foundation for evolution.

frez [133]

False I think not 100% sure tho

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3 years ago

Bacteria classified as GRAM+contain MANY layers.

posledela

Answer:

4. Peptidoglycan

Explanation:

"Most bacteria can be broadly classified as Gram positive or Gram negative.

Gram positive bacteria have cell walls composed of thick layers of peptidoglycan.

Gram positive cells stain purple when subjected to a Gram stain procedure.

Gram negative bacteria have cell walls with a thin layer of peptidoglycan. The cell wall also includes an outer membrane with lipopolysaccharide (LPS) molecules attached."

Reference: Bailey, Regina. “Gram Positive vs. Gram Negative Bacteria.” ThoughtCo, ThoughtCo, 15 Oct. 2018

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3 years ago

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Suppose these two chromosomes are found in a cell nucleus during prophase. what is the relationship between chromatids a, b, c,

Musya8 [376]

In this image we can see that A is identical to B, and C is identical to D.

Chromatid (Cht) is a DNA molecule (the nucleofilament) associated with histone proteins (PH) and non-histone proteins (PNH)
<span>Each chromosome of a cell may consist of one or two chromatids depending on its state: just after a mitosis, or after the second meiotic division, each chromosome consists of only one chromatid, the rest of the time, after DNA replication, each chromosome consists of two completely identical chromatids, connected by the centromere, thus giving the two rods the shape of an X.</span>