What component of the circulatory system is at the tissue level?

a. white blood cell

b. blood

c. heart

d. hemoglobin

Most scientists agree that saturated fats contribute to high levels of "bad" cholesterol, while monounsaturated fats a polyunsaturated fats lower this type of cholesterol. The table below shows data about fats in some common foods.

The two main parts of photosynthesis are know as?

Which statement about Down syndrome is true? A. Trisomy of chromosome 21 is well tolerated enough to give rise to fully‑developed individuals. B. The probability of a child having Down syndrome does not correlate with maternal age. C.

How long do watee vapor last in the atmosphere

Which of these would most likely cause a mutation? A the placement of ribosomes on the endoplasmic reticulum B the insertion of a nucleotide into DNA C the movement of transfer RNA out of the nucleus D the release of messenger RNA from DNA

Write the converse of the conditional statement. If a polygon is regular, then it has congruent angles and congruent sides. If a polygon has congruent angles and congruent sides, then it is regular.

Splitting cells involves creating a single by combining two or more

Which best describes the primary function of carbohydrates in an animal cell?

What protects the inside of a cell from the outside world? cell membrane nucleus cytoplasm dna

How does DNA influence the synthesis of lipids, carbohydrates, and steroids? A. Base triplets that do not code for amino acids, code for the components of these compounds. B.