2 years ago

"crabgrass preventer" is what type of herbicide? css 202

1 answer:

4 0

Crabgrass preventers can be categorized under Residual Herbicides simply because they can stay in the soil for a considerable amount of time and control germination for the weeds. It prevents growth by staying on the ground longer.

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The r group of an amino acid would need to have what characteristic to be located in a cell membrane?

11Alexandr11 [23.1K]

The R group should have the ability to form hydrogen bonds.

The R-group take a lot of different chemical forms and can be acidic, basic, polar or non polar. Amino acids that are either acidic or basic consequently have either positive or negative charge. These types of R-groups are stabilized when surrounded by water.

7 0

2 years ago

Read 2 more answers

In certain bacteria, an oval shape (O) is dominant over round (o) and thick cell walls (T) are dominant over thin (t). Draw on a

seropon [69]

Answer:

Consider the heterozygous oval, thick cell walled bacteria to have the alleles OoTT and the thin cell walled bacteria to have alleles oott. Results will be 50% oval, thick walled bacteria and 50% round, thick walled bacteria. This will be the F1 progeny.

When the oval, thick walled bacteria from the F1 progeny is cross bred with round, thick walled bacteria then 25 percent of the bacteria will be heterozygous oval, thick walled. 25 percent will be heterozygous oval and heterozygous thick walled. 25 percent will be round and thick walled. 25 percent will be round and thin walled.