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Anna35 [415]
3 years ago
14

In a hypothetical situation, two solutions are separated by a membrane. Solution A is a 10% sodium solution and solution B is a

40% sodium solution. Which way would sodium pumps within the membrane move sodium ions during active transport?
Biology
1 answer:
Vika [28.1K]3 years ago
5 0
During active transport, the sodium pumps would transfer the solutions opposite the concentration gradient. This means that it would go from Solution A to Solution B
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Which occurrences or processes are expected to reduce the level of atmospheric carbon? i. Decaying plant and animal remains ii.
lianna [129]

Answer:

Option B

Explanation:

Growth of trees would increase the amount of carbon dioxide (atmospheric carbon) taken in for photosynthesis while releasing oxygen into the atmosphere, effectively lowering the level of atmospheric carbon.

6 0
3 years ago
A performer, seated on a trapeze, is swinging back and forth with a period of 8.90 s. If she stands up, thus raising the center
iren2701 [21]

Answer:

8.800s

Explanation:

When the performer swings, she oscillates in SHM about Lo of the string with time period To = 8.90s.

First, determine the original length Lo, where for a SHM the time period is related to length and the gravitational acceleration by the equation

T = 2π×√(Lo/g)..... (1)

Let's make Lo the subject of the formulae

Lo = gTo^2/4π^2 ..... (2)

Let's put our values into equation (2) to get Lo

Lo = gTo^2/4π^2

= (9.8m/s^2)(8.90s)^2

------------------------------

4π^2

= 19.663m

Second instant, when she rise by 44.0cm, so the length Lo will be reduced by 44.0cm and the final length will be

L = Lo - (0.44m)

= 19.663m - 0.44m

= 19.223m

Now let use the value of L into equation (1) to get the period T after raising

T = 2π×√(L/g)

= 2π×√(19.223m/9.8m/s^2)

= 8.800s

7 0
3 years ago
Drag the titles to the correct boxes to complete the pairs Identify the types of inhertiance based on the expression of alleles
HACTEHA [7]

Complete question:

Drag the tiles to the correct boxes to complete the pairs. Identify the types of inheritance based on the expression of alleles in the organism. dominant recessive multiple presences of many alleles for the trait to be expressed  the presence of two alleles for the trait to be expressed  presence of a single allele for the trait to be expressed ​

Answer:

  1. multiple
  2. recessive
  3. dominant

Explanation:

  • Autosomal dominant inheritance characterizes because the dominant allele completely hides the expression of the recessive allele. Even when both dominant and recessive alleles are present in the genotype, only the dominant trait will be expressed. Only one dominant allele is enough to express the dominant phenotype.
  • Autosomal recessive inheritance characterizes by the expression of the recessive trait. Two copies of these alleles are needed to express the recessive phenotype and no dominant alleles.
  • Polygenic heritability occurs when a trait is due to the action of multiple genes that can also have more than two alleles. This can cause many different combinations that are the reason for genotypic graduation.  

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6.5 x 10^7

Move the decimal point 7 spaces to the left.
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