Ximena tiene un ciclo de 44 días, y este inicia el 5 de febrero. 1) ¿Cuándo termina la menstruación? 2) ¿Cuándo es la ovulación? 3) ¿Cuándo termina termina este ciclo? 4) ¿Cuándo inicia el nuevo ciclo? 5) ¿Cuál es el período fértil? Ayúdenme por favor, busqué en varias paginas con calculadoras menstruales y nunca aparecía el ciclo de 44 días solo eran de 35 a 40, por suerte en una pagina apareció pero no tenia nada que ver con las preguntas de la tarea.

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.