answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
maksim
21 day ago
6

"No biological system is completely closed, thus some movement of nutrients in and out always occurs." Is this statement true or

false?
Biology
1 answer:
s2008m [1.6K]21 day ago
3 0

Answer:

TRUE

Explanation:

No biological system operates in complete isolation.

A nutrient cycle involves the transfer and exchange of both organic and inorganic materials back into the matter's production. This constant recycling process happens continuously.

In systems that appear to be closed (closed loop), nutrient availability might be restricted due to slow cycling within the system and/or the inability to address deficiencies through migration.

You might be interested in
Un jardinero cruzó dos plantas de flores rosadas, con la esperanza de obtener plantas con flores del mismo color. Su sorpresa fu
s2008m [1679]

Response:

Este es un ejemplo de dominancia incompleta. Se trata de un fenómeno genético que se manifiesta cuando un gen dominante no logra expresar su totalidad en el alelo recesivo en un alelo heterocigoto dominante.

Por ende, ambos rasgos se muestran, dando lugar a una fusión de los dos alelos para los colores (blanco y rojo). El alelo rojo dominante muestra dominio parcial sobre el alelo blanco recesivo, produciendo así el alelo completamente rosado.

Según la ley mendeliana, las dos flores rojas son heterocigóticas. Por lo tanto, las flores rojas dominantes heterocigóticas deben ser R. El alelo blanco es recesivo (rr) y es enmascarado por el R rojo,

Sin embargo, al cruzar los dos alelos heterocigotos rojos:

Los fenotipos derivan en forma de

RR, (1) rojo Rr Rr (2) rosa rr (1) Blanco.

Esto ocurre porque el alelo rojo dominante no era total / completamente dominante sobre el alelo recesivo blanco en ninguno de los casos, resultando en un alelo rosa (el tercer fenotipo)

4 0
3 days ago
Conclusions
s2008m [1679]

Answer:

This is due to a lack of proteolytic enzymes.

Explanation:

The diagnostics from the study indicate that protein digestion in the small intestine occurs at a slow rate, primarily because of either the absence or a significant reduction in proteolytic enzymes. These enzymes are crucial for enhancing the digestion speed, resulting in the production of amino acids that are subsequently absorbed into the bloodstream for muscle formation.

5 0
1 month ago
Rita has two small containers, one holding a liquid and one holding a gas.Rita transfers the substances to two large containers.
Rainbow [1731]

Answer:

The behaviors of liquids and gases differ in some respects while similar in others; let's explore:

Explanation:

Liquids are known to lack a defined shape but possess a specific volume. When a liquid is moved from a smaller to a larger container, it takes the shape of the new vessel, yet its volume remains unchanged.

Conversely, gases do not have a fixed shape or volume, which varies based on the container. As a result, gas particles can move freely within the container, leading to changes in volume when the container's size alters.

Hope this is helpful!

7 0
22 days ago
Read 3 more answers
Each isotope has a special name derived from Latin (protium, deuterium, and tritium). What structural feature do these names ref
Tresset [1663]

Isotopes of a given element share the same characteristics, differing only in the neutron count within the nucleus.

The atomic number remains unchanged, whereas the mass number varies.

In this particular instance, protium, deuterium, and tritium represent isotopes of hydrogen.

Protium is 1H, or Hydrogen-1, which has no neutrons.

Deuterium is 2H, or Hydrogen-2, containing one neutron.

Tritium is 3H, or Hydrogen-3, consisting of two neutrons.

8 0
27 days ago
In his study of pea plants, Gregor Mendel used which method to produce offspring?
enyata [1788]
The method is cross-pollination, achieved by utilizing parents with distinct traits.

Gregor Mendel studied pea plants and formulated the foundational principles of heredity. He coined the terms dominant and recessive to describe traits, based on his experiments. He practiced cross-pollination, which involves mating parents that exhibit different traits. For instance, he crossed a plant bearing green peas with another showcasing yellow peas (two contrasting traits) and examined the inheritance of these traits in subsequent generations.
5 0
15 days ago
Read 2 more answers
Other questions:
  • A group of scientists must complete a study, but they have limited funding from a government organization. Name two ways these s
    6·2 answers
  • The lipid components of cellular membranes often include:
    13·2 answers
  • A biologist collects DNA samples from two sisters. The younger sister has blond hair. The older sister has red hair. The sisters
    6·2 answers
  • What are ejcs? Describe the importance of the ejc complexes for the export and stability of mrnas.
    11·1 answer
  • Unlike lipids, nucleic Acids typically do not...
    13·2 answers
  • Four students were asked to classify the activities of the people in the picture below as examples of either potential or kineti
    11·1 answer
  • What evidence links echinoderms, hemichordates and chordates to the same evolutionary lineage?
    8·1 answer
  • The somatic and autonomic nervous systems differ in all of the following EXCEPT ________. The somatic and autonomic nervous syst
    12·1 answer
  • Write a prediction that answers the lab question, "How are proteins built using the information provided by a molecule of RNA?"
    8·2 answers
  • An orderly sequence of reactions with specific enzymes acting at each step is the definition of
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!