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dimulka [17.4K]
3 years ago
5

Which choice is involved in both sexual and asexual reproduction

Biology
1 answer:
son4ous [18]3 years ago
4 0
A choice that is involved in both sexual and asexual reproduction are spores.
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How will planting genetically modified crops affect chemical use on farms?
Leno4ka [110]

The correct answer is

B. Decrease chemical use

7 0
3 years ago
For humans, freckles and broad noses are dominant to no freckles and narrow noses. Use the pinned square below to determine the
Gekata [30.6K]

If we name the gene for freckles with F, then the genotypes for having freckles are Ff (heterozygous), FF (dominant homozygous) and for no freckles ff (recessive homozygous).

If we name the gene for nose shape with N, than the genotypes for broad noses are NN (dominant homozygous) and Nn (heterozygous) and for narrow noses nn (recessive homozygous). A cross between two heterozygous:

P: FfNn  x  FfNn

F1:

9/16 are with freckles and broad noses

3/16 are with freckles and narrow noses

3/16 are with no freckles and broad noses

1/16 are with no freckles and narrow noses.

4 0
3 years ago
In a recent experiment, anti-bacterial hand sanitizer was compared to hand soap. Students washed their hands using the sanitizer
kramer

Answer:

B) The conclusion is not valid; there were fewer bacteria cultures on the soap plates

Explanation:

In a recent experiment, anti-bacterial hand sanitizer was compared to hand soap. Students washed their hands using the sanitizer or soap and warm water for two minutes; then they dried their hands with a paper towel. The standard of comparison was rubbing hands vigorously for 2 minutes in warm water, without any soap or sanitizer, and then drying with a paper towel. The sanitizer advertisement claimed to kill bacteria more effectively than any soap. After washing, hands were swabbed and then the swab applied to a culture plate and incubated. Finally, the bacterial cultures were counted and recorded in the data table. Students concluded that the hand sanitizer was most effective in killing bacteria. How would you respond to the students' conclusion?

                 Hand Washing Test Hand Washing Test

Treatment                                 Bacterial cultures (#/plate)

Warm water                                           24

Hand sanitizer                                       28

Soap A                                                    12

Soap B                                                    13

The above table should have been included before the question. From the table we can conclude that

B) The conclusion is not valid; there were fewer bacteria cultures on the soap plates

Which also means that the sanitizer is not as effective as warm water. it is the least effective solution to kill bacterial.

7 0
3 years ago
(GIVING BRAINLIEST!!)
RideAnS [48]

Answer:

A

Explanation:

others answers give variables that still apply to planets

4 0
3 years ago
Absorption of nutrients by intestinal cells occurs by all of the following mechanisms except
almond37 [142]
<span>Active transport via the sodium pump, diffusion and osmosis.</span>
8 0
3 years ago
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