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Vadim26 [7]
2 years ago
8

Which question is true about food chains A. All food chains start with consumers B. The arrow shows the movement of energy C. Th

e arrow shows which animals are herbívores D. The arrow show which animal eat meat
Biology
2 answers:
lesya [120]2 years ago
4 0
The answer is B, energy is transferred throughout the food chain, hence the arrows.
Masja [62]2 years ago
3 0
B- The arrow shows the movement of energy
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No stripe on the head (H) is dominant, a black stripe on the head is recessive. If dad's genotype is Hh, what are the odds that
olga55 [171]

The chance of the offsprings with stripe on head is 50%.

Option A.

<h3><u>Explanation:</u></h3>

Here according to the figures, the male is the brown one which has no stripe on his head as mentioned, and the female is the pink one who has a stripe on her head. The gene for the head stripe is denoted by H.

So the genotype of the father which is given as Hh. He is heterozygous.

The genotype of the mother should be hh as she has stripe and she must be homozygous recessive to have it.

So the gametes from father is H and h. Whereas the gametes from mother is only h.

So the genotype of the offsprings are Hh and hh as 50% each.

So the probability of the offspring being striped head is 50%.

7 0
3 years ago
How do you calculate surface area to volume ratio of a cylinder?
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8 0
3 years ago
Some bacterial cells are resistant to a variety of antimicrobials because they actively pump the drugs out of the cell.
ad-work [718]

True. Some bacterial cells are resistant to a variety of antimicrobials because they actively pump the drugs out of the cell.

A significant resistance mechanism in Gram-negative bacteria is drug efflux. It expel solutes from the cell. Antimicrobials and metabolites are just a few of the hazardous compounds that Efflux pumps help bacteria remove from their interior environments so they can regulate it.

The main efflux systems in Gram-negative bacteria are members of the RND superfamily and typically consist of an outer membrane protein channel, a periplasmic protein, and a cytoplasmic membrane pump. The most common example is  MFS (such as Bmr and Blt in Bacillus subtilis) and the ABC transporters.

Learn more about antimicrobials here:

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4 0
2 years ago
True or False? The current growth associated with the human population places pressure on resources and social organization.
zaharov [31]
I think the answer is True
7 0
3 years ago
Suppose a mother carries two recessive genes for freckles (rr) and a father carries one recessive gene for freckles and one domi
skad [1K]
Answer - A
The ratio of a child with clear skin with that of freckled skin is 1:2.
When genotype rr mates with genotype Rr, the following genotypes are expected:
Rr = clear skin dominant
rr= freckled skin

8 0
3 years ago
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