In pregnancy, when the placenta is implanted in the lower uterine segment and encroaches on the internal cervical os causing vaginal bleeding, the condition is called

Which of the following describes translation? DNA makes RNA proteins act in cells RNA makes proteins DNA makes proteins

Identify the characteristic or function all roots have in common.

Explain why the emergence of alga was required before animals could exist on the planet

The double helix of dna is composed of building blocks called

A white cow and black cow produce an offspring with large areas of white coat and black coat? This is an example of

An experiment was conducted to determine which type of fruit attracts the most fruit flies. Equal sized pieces of apple, pear, and banana were placed in separate containers at different areas around the school.

In the F2 generation of Mendel's crosses, A. all plants had the dominant trait. B. half of the plants had the dominant alleleC. all plants had both the dominant and recessive alleles. D. one in four plants had two alleles for the recessive trait.

In a population, when the birthrate becomes higher than the death rate, the population's growth rate A) decreases. B) increases. C) slows to a stop. Eliminate D) levels off and remains constant.

Types of calcareous marine microorganisms

Which of the following are examples of the first specialized tissues? A. antennae B. eyes C. kidneys D. tentacles