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dangina [55]
3 years ago
14

Alleles are alternate versions of _____ gene(s) that have ____ nucleotide sequences. A. the same; completely different B. the sa

me; small differences in their C. different; completely different D. different; the same E. different; small differences in their
Biology
2 answers:
12345 [234]3 years ago
5 0

Answer:

Explanation:

when youre feelinsgs subside and shadows still remain

gons and ruse

Savatey [412]3 years ago
4 0

Answer: A

Explanation:

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Write a complete step-by-step plan for dealing with broken glassware on the floor or lab table. Write your plan in list form in
astra-53 [7]

Answer:

  1. 1. Inform the teacher
  2. Use appropriate cut-resistant gloves to handle broken glass.
  3. Use forceps, tongs, scoops, or other mechanical devices for removing or retrieving broken glass from the work area or a fume hood.
  4. A dustpan and brush should be used to clean up shards/small pieces of broken glass, Pasteur pipettes, or shards of glass.

Explanation:

Never use broken or chipped glassware. ... Dispose of the glassware in the proper container. Glassware that is chipped, cracked or broken can cause cuts. Material placed in broken or chipped glassware may leak.

Hope this helps!!!!!!!

Forever friend and helper,

Cammie:)

5 0
3 years ago
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Phytoplankton use sunlight to gain energy through photosynthesis. As a result of the Law of Conservation of Energy, phytoplankto
Georgia [21]

Measure the amount of energy in the phytoplankton and the amount of light entering the aquarium. Then measure the amount of energy in the phytoplankton after exposure to the light and determine the difference.

Explanation:

Phytoplanktons like most of the plants use chlorophyll, sunlight and carbon di-oxide for photosynthesis but it depends on other organisms to consume extra energy as they are unable to gain enough energy from their consumption of light. This differs among the different species of planktons.

It can be observed in an aquarium that a phytoplankton is gaining less energy than the energy they have absorbed by the light and this can be done by measuring the energy before and after the photosynthesis.

5 0
3 years ago
2. Tim and Stephanie are devastated when the
saul85 [17]

Answer:

Explanation:

<em>Tim and Stephanie are devastated when they find out their newborn son has hemophilia- sex-linked recessive disease. Tim is shocked because he doesn’t have hemophilia, and figured if his son has it he would have gotten it from him. Is Tim correct in his thinking? Explain. Also explain what their genotypes must be in order for neither parents to have the disease but their son does. Create a Punnett square, and indicate the mother's and father's genotype.</em>

<em />

First of all, the thinking of Tim is wrong. Hemophilia is X-linked and a male (XY) child always inherits his X chromosome from his mother. Hence, <u>the newborn son of Tim must have inherited the allele for the disease from Stephanie.</u>

Now, neither Tim nor Stephanie showed any symptom of hemophilia. It could only mean that Tim is totally free of the hemophilic allele while Stephanie is a carrier for it. Because a man has just one X chromosome, he can either be totally free of the abnormality or affected by it, no in-between. A woman has two X chromosomes, hence, she can be totally free, a carrier, or affected for the disease. Assuming the allele for hemophilia to be h, Tim's genotype would, therefore, be X^HY while that of his wife would be X^HX^h .

The Punnet's square analysis of the cross between Tim and Stephanie is indicated in the attached image.

3 0
3 years ago
If someone is blood type O, then their blood contains antibodies for which antigens?
s344n2d4d5 [400]

Answer:

D I think

Explanation:

4 0
2 years ago
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Please help. I can't seem to understand this.
Volgvan

Coastal mountains force cool, moist air from oceans to rise as it moves toward land. Clouds form, and precipitation falls on the <u>windward</u> side of the mountain. On the <u>leeward</u> side of the mountain, very little precipitation falls.

3 0
3 years ago
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