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Arturiano [62]
3 years ago
10

In plant life cycles, eggs and sperm are produced by mitosis true or false

Biology
1 answer:
horrorfan [7]3 years ago
8 0
It  is  false that  in  plant  by    life   cycle,eggs  and  sperm  are   produced mitosis.


  Flowering  plant   go  through  a  complicated    double   fertilization  process  that  involves  a lot  of  sperm.pollen   grain  is  produced  by process  of  meiosis  in  which  sex  cell  divides  its  so  that   exactly  half  of  the  genetic  code  is in  a  cell.
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Part B<br> What are the strengths and weaknesses of the cell model?
matrenka [14]

Answer:

strengths:The cell model shows all the process involved, and it's easy to understand, even if a person isn't familiar with the process

weaknesses: it doesnt show organelle or rna

7 0
3 years ago
He chart shows rate of decay.
mina [271]

The value which is being measured in the columns labeled "Fraction remaining" and "Percentage remaining" is: D. amount of material that has not decayed.

<h3>What is a radioactive decay?</h3>

A radioactive decay can be defined as a radioactive process in which an unstable atomic nucleus undergoes a spontaneous transformation into one or more different atomic nuclei and simultaneously emits radiation, accompanied with a loss of energy.

<h3>The types of radioactive decay.</h3>

In Science, there are three main types of radioactive decay and these include the following:

  • Alpha decay
  • Beta decay
  • Gamma decay

Based on the information provided in the table (see attachment), we can reasonably infer and logically deduce that the value which is being measured in the columns labeled "Fraction remaining" and "Percentage remaining" is the amount of material that has not decayed.

Read more on radioactive decay here: brainly.com/question/23303931

#SPJ1

7 0
2 years ago
Women have a tendency to retain water during part of the menstrual cycle because estrogen mimics the action of what
Ira Lisetskai [31]

Answer:

This question lacks options, options are:

A) ADH

B) aldosterone

C) atrial natriuretic hormone

D) oxytocin

E) prolactin

The correct answer is B.

Women have a tendency to retain water during part of the menstrual cycle because estrogen mimics the action of <u>aldosterone</u>.

Explanation:

The female sex hormones produced by the ovary (estrogens and progesterone) are substances that, through the blood, will carry messages to all the organs of the female genital system (uterus, tubes and ovaries) to achieve their correct function. Aldosterone concentration normally increases at the time of ovulation and remains elevated during the luteal phase of the menstrual cycle. Women present during the premenstrual phase, compared to the luteal and follicular phases, an increase in body weight, due to an increase in fluid retention, this because the menstrual cycle modulates the renin-angiotensin-aldosterone system. High levels of estrogen and progesterone in the mid-luteal phase are associated with a greater increase in adrenal and renal hormones and retention of more volume.

5 0
4 years ago
Weather changes ____ , while climate changes ____.
oksian1 [2.3K]
Weather changes every day, while climate changes annually or every 3 months
7 0
3 years ago
Read 2 more answers
Scientists now use domain Eukarya to group together the kingdoms of eukaryotic species, which include plants, animals, protists,
sergeinik [125]

Answer: Option A

Explanation:

Scientist used the domain Eukarya which comprises the togetherness of all the eukaryotic species. They have been put together because all of the  eukaryotic species have their recent common ancestor as eukaryotes.

The first eukaryotic cells, which had nucleus originated 2 billion years ago which had organelles. They explain the endosymbiotic theory.Most of the eukaryotic species that have been evolved from this.

Eukaryotic species have been evolved from another eukaryotic species and share some similar characteristics.

7 0
3 years ago
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