In animals, stem cells are specific types of cells which are able to differentiate into many different types of cells due to the expression of certain genes. what is the name of the type of cells in higher plants which have the same type of function as stem cells? a) vascular cells b) sporophyte cells c) gametophyte cells d) meristematic cells

What is the role of the phospholipid belayer in cellular transport in living cells

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.