The substances in cells are built up and broken down

during development and metabolism. These processes

are examples of what?

Select all of the accurate statements ⚠️This is multiple choice⚠️ (1) Cellular respiration is a physical change. (2) Cellular respiration is a chemical change. (3) Cellular respiration is an example of conservation of energy.

Which statement describes the formation of our sun? A disk formed of long trails of stars coiled into a spiral. It formed an elliptical flattened disk. Heat and gases contracted within a nebula. Gravity pushed stars away from a center core.

A human zygote, like most other human cells have 46 chromosomes. how many chromosomes does the zygote receive from the mother

What might make it hard to understand a dichotomous key?

Amino acids are the building blocks of protein. True False

Homologous structures (Group of answer choices): A. are also called analogous structures. B. have identical functions. C. are shared by organisms of the same genus. D. have fully divergent functions. E.

Which of the following is true of an enzyme? (mark all that apply) a. it is a protein b. it is a catalyst c. it binds to many different substances d. it is small compered to its substrates

Which term would be applied to a regulatory condition that occurs when protein is associated with a particular section of DNA and greatly reduces transcription? A) induction B) negative control C) stimulation D) positive control E) activation

1. The reproductive parts of angiosperms are located within the called the and the female part is called the The male part is 2. In angiosperms, pollen produces cells. Pollen sticks to the female and travels down the style to the ovary.

Why would over-inflating the cuff of the sphygmomanometer be a problem for the patient?