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The process that moves nutrients into the blood or lymph is

A. digestion

B. ingestion

C. elimination

D. absorption

Answer Explanation:

Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma.

Ingestion is the process of taking food, drink, or another substance into the body by swallowing or absorbing it.

Elimination refers to the removal of indigestible wastes through the anus, in the form of feaces.

Therefore, the Correct Answer is D.

More Questions on TEAS 7 Science

  • Q #1: In a certain plant, red flowers are dominant over white flowers. A plant heterozygous for red flowers and a plant with white flowers are crossed. Which of the following is the expected proportion of phenotypes in the next generation?

    A. 3 red, 1 white

    B. 1 white, 3 red

    C. 2 red, 2 white

    D. 4 white

    Answer Explanation

    2 red, 2 white.

    In this cross, the plant heterozygous for red flowers has the genotype Rr (where R represents the dominant red allele and r represents the recessive white allele), while the plant with white flowers has the genotype rr.

    The possible offspring from this cross would have the genotypes Rr (red), Rr (red), rr (white), and rr (white), resulting in a 1:1 ratio of red to white flowers.

     

  • Q #2: Which of the following processes causes most of the carbon dioxide from the blood to move into the alveoli?

    A. Diffusion down a concentration gradient

    B. Conversion of carbon monoxide

    C. Passive transport using carrier proteins

    D. Active transport using energy

    Answer Explanation

    Carbon dioxide moves from the blood to the alveoli through the process of diffusion. The blood has a high concentration of carbon dioxide than the alveoli.
    Therefore, carbon dioxide diffuses from blood to alveoli through the cell membrane.

  • Q #3: If a portion of strand of DNA bases reads 5’ AGCTAGCGT 3’, what would the sequence of bases on the complementary strand read?

    A. 5’ UCGAUCGCA 3’

    B. 3’ TCGATCGCA 5’

    C. 5’ TCGUTCGCU 3’

    D. 3’ AGCTAGCGT 5’

    Answer Explanation

    The complimentary base pairing of DNA states that A pairs with T while C pairs with G. From the give sequence, the complimentary DNA strand will be 3’ TCGATCGCA 5’