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GenaCL600 [577]
3 years ago
8

what structure in a cell could transport material across the membrane, against the concetration gradient?

Biology
1 answer:
TEA [102]3 years ago
5 0
Active transport could transport material across the membrane against the concentration gradient
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Cells that are similar in structure and function are usually joined together by what
gulaghasi [49]

Answer:

Tissues

Explanation:

Tissues are groups of similar cells that have a common function.

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If the food on the island is small seeds, what finch is best adapted? Explain why
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Answer:Adaptation in Darwins Finches. Beak depth, which is correlated with body size and the ability to crack larger seeds, varies according to drought conditions: plants produce fewer, harder seeds in dry years and more, softer seeds in wet years. Only larger birds with deeper depths survive in drought years.

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2 years ago
Help please If two people answer I will give the first one brainliest plsss
adell [148]

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3 years ago
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Complete the Punnett square below by showing the genetic makeup of the parent plats of the cross shown.Be sure to show both gene
aksik [14]

Answer:

The correct answer is -

Parent 1: RW, Parent 2: RR

Explanation:

In the given punnet square there are four offspring and it is a monohybrid cross between parent 1 and parent 2. The four offspring produced in this cross have RR, RR, RW, and RW alleles. By the genotype of the offsprings, it is clear that there are 50 percent pure or true-bred and 50 percent are heterozygous.

Each parent contribute two alleles and these alleles are independently assort in the zygote to form offspring so there must be R, R, R and W allele present in the parent

Parent 2  →       R     R

Parent 1 ↓     R  RR   RR  (one allele (R) come from each parent in zygote)

                    W  RW  RW (one allele  (R and W) come from each parent)

8 0
2 years ago
One serving of total cereal has 100 calories. John ate 3 servings for breakfast. How man calories from total cereal did John eat
Kamila [148]

Answer:

300 calories

Explanation:

100x3=300

8 0
3 years ago
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